{"id":10130,"date":"2017-06-11T23:57:06","date_gmt":"2017-06-11T23:57:06","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sm355827\/"},"modified":"2017-06-11T23:57:06","modified_gmt":"2017-06-11T23:57:06","slug":"sm355827","status":"publish","type":"page","link":"https:\/\/chroot-me.in\/16ND\/sm355827\/","title":{"rendered":"DTC U0184:00\/U0187:00 [CONNECTIVITY MASTER UNIT]"},"content":{"rendered":"<div class=\"node node SERVICE_MANUALS\">\n    <\/p>\n<div class=\"textleft\">\n<div class=\"attr CONTENT c2\">\n<div class=\"content\">\n          <link rel=\"stylesheet\" type=\"text\/css\" href=\"style.css\" media=\"screen\"><a class=\"prevPage\" href=\"SM355826\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SM355828\">Next &gt;<\/a><\/p>\n<h2>2016 &#8211; MX-5 &#8211; Body and Accessories<\/h2>\n<p><a name=\"id0902n7036300\" id=\"id0902n7036300\"><\/a><\/p>\n<h3>DTC U0184:00\/U0187:00 [CONNECTIVITY MASTER UNIT]<\/h3>\n<table border=\"1\" cellpadding=\"0\" cellspacing=\"@colsep\" bordercolor=\"#CCCCCC\" frame=\"box\" rules=\"all\">\n<tbody valign=\"\" cellspacing=\"1\" rowspan=\"\">\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p><b>Description<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>U0184:00<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Communication error with tuner and amp unit (TAU)<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>U0187:00<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Communication error with CD player<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p><b>Detection condition<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>U0184:00<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>The connectivity master unit (CMU) cannot receive a CAN signal from the tuner and amp unit (TAU) for <b>5 s or more<\/b>.<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>U0187:00<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>The connectivity master unit (CMU) cannot receive a CAN signal from the CD player for <b>5 s or more<\/b>.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p><b>Fail-safe<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>U0184:00<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Not applicable<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>U0187:00<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Not applicable<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p><b>Possible cause<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Connectivity master unit (CMU) connector or terminal malfunction<\/p>\n<\/li>\n<li>\n<p>Tuner and amp unit (TAU) connector or terminal malfunction<\/p>\n<\/li>\n<li>\n<p>CD player connector or terminal malfunction<\/p>\n<\/li>\n<li>\n<p>Connector C-16 connector or terminal malfunction<\/p>\n<\/li>\n<li>\n<p>Connector C-25 connector or terminal malfunction<\/p>\n<\/li>\n<li>\n<p>Connector C-40 connector or terminal malfunction<\/p>\n<\/li>\n<li>\n<p>Connector C-42 connector or terminal malfunction<\/p>\n<\/li>\n<li>\n<p>Short to power supply in wiring harness between the following terminals:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014Tuner and amp unit (TAU) terminal 2O<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014CD player terminal G<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Short to ground in wiring harness between the following terminals:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014Tuner and amp unit (TAU) terminal 2Q<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014CD player terminal H<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Short between circuits in the following wiring harness:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014Tuner and amp unit (TAU) terminal 2O<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014Tuner and amp unit (TAU) terminal 2Q<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014CD player terminal G<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014CD player terminal H<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Open circuit in wiring harness between the following terminals:<\/p>\n<\/li>\n<ul type=\"disc\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014Tuner and amp unit (TAU) terminal 2O<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014Tuner and amp unit (TAU) terminal 2Q<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014CD player terminal G<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014CD player terminal H<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Open circuit in wiring harness between tuner and amp unit (TAU) terminal 2W and ground<\/p>\n<\/li>\n<li>\n<p>Open circuit in wiring harness between CD player terminal A and ground<\/p>\n<\/li>\n<li>\n<p>CD player power supply circuit malfunction<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Short to ground in wiring harness between MAIN 200 A fuse and CD player terminal Z<\/p>\n<\/li>\n<li>\n<p>INTERIOR 15 A fuse malfunction<\/p>\n<\/li>\n<li>\n<p>ROOM 25 A fuse malfunction<\/p>\n<\/li>\n<li>\n<p>MAIN 200 A fuse malfunction<\/p>\n<\/li>\n<li>\n<p>Open circuit in wiring harness between battery positive terminal and CD player terminal Z<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Tuner and amp unit (TAU) malfunction<\/p>\n<\/li>\n<li>\n<p>CD player malfunction<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) malfunction<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p align=\"center\"><a href=\"\/16ND\/wp-content\/uploads\/2017\/05\/AMXUUW00004595.GIF\"><img decoding=\"async\" align=\"absmiddle\" border=\"0\" src=\"\/16ND\/wp-content\/uploads\/2017\/05\/AMXUUW00004595.GIF\"><\/a><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/p>\n<p><b><span class=\"c1\">CAUTION:<\/span><\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>When disconnecting the connector, verify that there is no looseness, damage, deformation, corrosion, or poor connection of the connector terminals.<\/p>\n<\/li>\n<\/ul>\n<p>          <b>Diagnostic Procedure<\/b><\/p>\n<table border=\"1\" cellpadding=\"0\" cellspacing=\"@colsep\" bordercolor=\"#CCCCCC\" frame=\"box\" rules=\"all\">\n<tbody valign=\"\" cellspacing=\"1\" rowspan=\"\">\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Step<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Inspection<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Action<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>1<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT FOR POWER SUPPLY-RELATED MALFUNCTION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition ON (engine off).<\/p>\n<\/li>\n<li>\n<p>Perform the DTC inspection using the M-MDS.<\/p>\n<p>(See <a href=\"SM352608\">ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)]<\/a>.)<\/p>\n<p>(See <a href=\"SM355862\">DTC INSPECTION [CONNECTIVITY MASTER UNIT]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is the power supply related DTC displayed?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p><b><span class=\"c1\">NOTE:<\/span><\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>It may be affected by power supply-related malfunction.<\/p>\n<\/li>\n<\/ul>\n<p>Repair the malfunctioning location according to the applicable DTC troubleshooting.<\/p>\n<p>(See <a href=\"SM352613\">DTC TABLE [PCM (SKYACTIV-G 2.0)]<\/a>.)<\/p>\n<p>(See <a href=\"SM355863\">DTC TABLE [CONNECTIVITY MASTER UNIT]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>2<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT FOR SHORT TO POWER SUPPLY IN CAN_H SIDE CIRCUIT OF LOCAL-CAN<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Measure the voltage between connectivity master unit (CMU) terminal 2I (LOCAL-CAN CAN_H side) and body ground.<\/p>\n<\/li>\n<li>\n<p>Is the voltage <b>B+<\/b>?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>A short to power supply in CAN_H side circuit of LOCAL-CAN has occurred.<\/p>\n<ul type=\"disc\">\n<li>\n<p>Go to Step 6.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>3<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT FOR SHORT TO GROUND IN CAN_L SIDE CIRCUIT OF LOCAL-CAN<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Measure the voltage between connectivity master unit (CMU) terminal 2J (LOCAL-CAN CAN_L side) and body ground.<\/p>\n<\/li>\n<li>\n<p>Is the voltage <b>0 V<\/b>?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>A short to ground in CAN_L side circuit of LOCAL-CAN has occurred.<\/p>\n<ul type=\"disc\">\n<li>\n<p>Go to Step 7.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>4<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT BETWEEN LOCAL-CAN_L AND LOCAL-CAN_H SIDE CIRCUITS FOR SHORT BETWEEN CIRCUITS<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition off.<\/p>\n<\/li>\n<li>\n<p>Disconnect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Measure the resistance between connectivity master unit (CMU) 2I and 2J terminals (wiring harness side).<\/p>\n<\/li>\n<li>\n<p>Is the resistance <b>approx. 60 ohms<\/b>?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step. (LOCAL-CAN is normal)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n                      <b>If the resistance is 0 ohm:<\/b><\/p>\n<li>\n<p>A short between circuits has occurred in LOCAL-CAN.<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Go to Step 8.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If the resistance is 120 ohms:<\/b><\/p>\n<li>\n<p>An open circuit in the LOCAL-CAN has occurred.<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Go to Step 9.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>5<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>DETERMINE MALFUNCTIONING LOCATION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Connect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Clear the DTC for the connectivity master unit (CMU) using the M-MDS.<\/p>\n<p>(See <a href=\"SM355864\">CLEARING DTC [CONNECTIVITY MASTER UNIT]<\/a>)<\/p>\n<\/li>\n<li>\n<p>Switch the ignition ON (engine off or on) and wait for <b>12 s or more<\/b>.<\/p>\n<\/li>\n<li>\n<p>Perform the DTC inspection for the connectivity master unit (CMU) using the M-MDS.<\/p>\n<p>(See <a href=\"SM355862\">DTC INSPECTION [CONNECTIVITY MASTER UNIT]<\/a>)<\/p>\n<\/li>\n<li>\n<p>Is there any of the following DTCs being displayed?<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>U0184:00<\/p>\n<\/li>\n<li>\n<p>U0187:00<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n                      <b>If U0184:00 is only displayed:<\/b><\/p>\n<li>\n<p>Go to Step 10.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If U0187:00 is only displayed:<\/b><\/p>\n<li>\n<p>Go to Step 11.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If all DTCs are displayed:<\/b><\/p>\n<li>\n<p>Replace the connectivity master unit (CMU), then go to Step 14.<\/p>\n<p>(See <a href=\"SM356302\">CONNECTIVITY MASTER UNIT (CMU) REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to Step 15.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>6<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT WIRING HARNESS FOR SHORT TO POWER SUPPLY<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition off.<\/p>\n<\/li>\n<li>\n<p>Disconnect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Disconnect the following connectors:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU)<\/p>\n<\/li>\n<li>\n<p>Tuner and amp unit (TAU)<\/p>\n<\/li>\n<li>\n<p>CD player<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Connect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Switch the ignition ON (engine off or on).<\/p>\n<\/li>\n<li>\n<p>Measure the voltage at the following terminals (wiring harness side).<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2I<\/p>\n<\/li>\n<li>\n<p>Tuner and amp unit (TAU) terminal 2O<\/p>\n<\/li>\n<li>\n<p>CD player terminal G<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Is the voltage <b>0 V<\/b>?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to Step 13.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Refer to the wiring diagram and verify if there is a common connector between the following terminals:<\/p>\n<ul type=\"disc\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014Tuner and amp unit (TAU) terminal 2O<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014CD player terminal G<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is a common connector:<\/b><\/p>\n<li>\n<p>Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to power supply.<\/p>\n<\/li>\n<li>\n<p>Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is no common connector:<\/b><\/p>\n<li>\n<p>Repair or replace the wiring harness which has a short to power supply.<\/p>\n<\/li>\n<\/ul>\n<p>Go to Step 14.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>7<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT WIRING HARNESS FOR SHORT TO GROUND<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition off.<\/p>\n<\/li>\n<li>\n<p>Disconnect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Disconnect the following connectors:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU)<\/p>\n<\/li>\n<li>\n<p>Tuner and amp unit (TAU)<\/p>\n<\/li>\n<li>\n<p>CD player<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Inspect for continuity between the following terminals (wiring harness side) and body ground.<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2J<\/p>\n<\/li>\n<li>\n<p>Tuner and amp unit (TAU) terminal 2Q<\/p>\n<\/li>\n<li>\n<p>CD player terminal H<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Is there continuity?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Refer to the wiring diagram and verify if there is a common connector between the following terminals:<\/p>\n<ul type=\"disc\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014Tuner and amp unit (TAU) terminal 2Q<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014CD player terminal H<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is a common connector:<\/b><\/p>\n<li>\n<p>Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.<\/p>\n<\/li>\n<li>\n<p>Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is no common connector:<\/b><\/p>\n<li>\n<p>Repair or replace the wiring harness which has a short to ground.<\/p>\n<\/li>\n<\/ul>\n<p>Go to Step 14.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to Step 13.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>8<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT WIRING HARNESS FOR SHORT BETWEEN CIRCUITS<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition off.<\/p>\n<\/li>\n<li>\n<p>Disconnect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Disconnect the following connectors:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU)<\/p>\n<\/li>\n<li>\n<p>Tuner and amp unit (TAU)<\/p>\n<\/li>\n<li>\n<p>CD player<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Inspect between the following terminals (wiring harness side) for continuity.<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU) terminals 2I and 2J<\/p>\n<\/li>\n<li>\n<p>Tuner and amp unit (TAU) terminals 2O and 2Q<\/p>\n<\/li>\n<li>\n<p>CD player terminals G and H<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Is there continuity?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Refer to the wiring diagram and verify if there is a common connector between the following terminals:<\/p>\n<ul type=\"disc\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014Tuner and amp unit (TAU) terminal 2O<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014Tuner and amp unit (TAU) terminal 2Q<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014CD player terminal G<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014CD player terminal H<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is a common connector:<\/b><\/p>\n<li>\n<p>Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for short between circuits to determine the malfunctioning location.<\/p>\n<\/li>\n<li>\n<p>Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is no common connector:<\/b><\/p>\n<li>\n<p>Repair or replace the wiring harness which has shorted between circuits.<\/p>\n<\/li>\n<\/ul>\n<p>Go to Step 14.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to Step 13.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>9<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT WIRING HARNESS FOR OPEN CIRCUIT<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition off.<\/p>\n<\/li>\n<li>\n<p>Disconnect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Disconnect the following connectors:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Connectivity master unit (CMU)<\/p>\n<\/li>\n<li>\n<p>Tuner and amp unit (TAU)<\/p>\n<\/li>\n<li>\n<p>CD player<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Inspect the wiring harness for continuity between the following terminals (wiring harness side).<\/p>\n<\/li>\n<ul type=\"disc\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014Tuner and amp unit (TAU) terminal 2O<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014Tuner and amp unit (TAU) terminal 2Q<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014CD player terminal G<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014CD player terminal H<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Is there continuity?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Refer to the wiring diagram and verify if there is a common connector between the following terminals:<\/p>\n<ul type=\"disc\">\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014Tuner and amp unit (TAU) terminal 2O<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014Tuner and amp unit (TAU) terminal 2Q<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2I\u2014CD player terminal G<\/p>\n<\/li>\n<li>\n<p>Connectivity master unit (CMU) terminal 2J\u2014CD player terminal H<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is a common connector:<\/b><\/p>\n<li>\n<p>Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.<\/p>\n<\/li>\n<li>\n<p>Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is no common connector:<\/b><\/p>\n<li>\n<p>Repair or replace the wiring harness which has an open circuit.<\/p>\n<\/li>\n<\/ul>\n<p>Go to Step 14.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to Step 13.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>10<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT TUNER AND AMP UNIT (TAU) RELATED-WIRING HARNESS FOR OPEN CIRCUIT<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition off.<\/p>\n<\/li>\n<li>\n<p>Disconnect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Disconnect the tuner and amp unit (TAU) connector.<\/p>\n<\/li>\n<li>\n<p>Inspect the wiring harness for continuity between tuner and amp unit (TAU) terminal 2W and ground.<\/p>\n<\/li>\n<li>\n<p>Is there continuity?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Replace the tuner and amp unit (TAU), then go to Step 14.<\/p>\n<p>(See <a href=\"SM356303\">TUNER AND AMP UNIT (TAU) REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Repair or replace the wiring harness which has an open circuit, then go to Step 14.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>11<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT CD PLAYER RELATED-WIRING HARNESS FOR OPEN CIRCUIT<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition off.<\/p>\n<\/li>\n<li>\n<p>Disconnect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Disconnect the CD player connector.<\/p>\n<\/li>\n<li>\n<p>Inspect the wiring harness for continuity between CD player terminal A (wiring harness side) and ground.<\/p>\n<\/li>\n<li>\n<p>Is there continuity?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Repair or replace the wiring harness which has an open circuit, then go to Step 14.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>12<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>VERIFY CD PLAYER POWER SUPPLY VOLTAGE<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Verify that the CD player connector is disconnected.<\/p>\n<\/li>\n<li>\n<p>Connect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Switch the ignition ON (engine off or on).<\/p>\n<\/li>\n<li>\n<p>Measure the voltage at CD player terminal Z (wiring harness side).<\/p>\n<\/li>\n<li>\n<p>Is the voltage <b>B+<\/b>?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Replace the CD player, then go to Step 14.<\/p>\n<p>(See <a href=\"SM356301\">CD PLAYER REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Inspect the INTERIOR 15 A fuse, ROOM 25 A fuse and MAIN 200 A fuse.<\/p>\n<ul type=\"disc\">\n<li>\n<p>Any fuse is blown:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Refer to the wiring diagram and verify if there is a common connector between MAIN 200 A fuse and CD player terminal Z.<\/p>\n<\/li>\n<ul type=\"disc\">\n                              <b>If there is a common connector:<\/b><\/p>\n<li>\n<p>Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.<\/p>\n<\/li>\n<li>\n<p>Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                              <b>If there is no common connector:<\/b><\/p>\n<li>\n<p>Repair or replace the wiring harness which has a short to ground.<\/p>\n<\/li>\n<li>\n<p>Replace the fuse.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<li>\n<p>Any fuse is damaged:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Replace the fuse.<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>All fuses are normal:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Refer to the wiring diagram and verify if there is a common connector between battery positive terminal and CD player terminal Z.<\/p>\n<\/li>\n<ul type=\"disc\">\n                              <b>If there is a common connector:<\/b><\/p>\n<li>\n<p>Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.<\/p>\n<\/li>\n<li>\n<p>Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                              <b>If there is no common connector:<\/b><\/p>\n<li>\n<p>Repair or replace the wiring harness which has an open circuit.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/ul>\n<p>Go to Step 14.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>13<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>PERFORM DTC INSPECTION AND DETERMINE MALFUNCTIONING LOCATION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Always reconnect all disconnected connectors.<\/p>\n<\/li>\n<li>\n<p>Connect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Clear the DTC for the connectivity master unit (CMU) using the M-MDS.<\/p>\n<p>(See <a href=\"SM355864\">CLEARING DTC [CONNECTIVITY MASTER UNIT]<\/a>)<\/p>\n<\/li>\n<li>\n<p>Switch the ignition ON (engine off or on) and wait for <b>12 s or more<\/b>.<\/p>\n<\/li>\n<li>\n<p>Perform the DTC inspection for the connectivity master unit (CMU) using the M-MDS.<\/p>\n<p>(See <a href=\"SM355862\">DTC INSPECTION [CONNECTIVITY MASTER UNIT]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is there any of the following DTCs being displayed?<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>U0184:00<\/p>\n<\/li>\n<li>\n<p>U0187:00<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n                      <b>If U0184:00 is only displayed:<\/b><\/p>\n<li>\n<p>Replace the tuner and amp unit (TAU), then go to the next step.<\/p>\n<p>(See <a href=\"SM356303\">TUNER AND AMP UNIT (TAU) REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If U0187:00 is only displayed:<\/b><\/p>\n<li>\n<p>Replace the CD player, then go to the next step.<\/p>\n<p>(See <a href=\"SM356301\">CD PLAYER REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If all DTCs are displayed:<\/b><\/p>\n<li>\n<p>Replace the connectivity master unit (CMU), then go to the next step.<\/p>\n<p>(See <a href=\"SM356302\">CONNECTIVITY MASTER UNIT (CMU) REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to Step 15.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>14<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>VERIFY THAT REPAIRS HAVE BEEN COMPLETED<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Always reconnect all disconnected connectors.<\/p>\n<\/li>\n<li>\n<p>Connect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Clear the DTC for the connectivity master unit (CMU) using the M-MDS.<\/p>\n<p>(See <a href=\"SM355864\">CLEARING DTC [CONNECTIVITY MASTER UNIT]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Switch the ignition ON (engine off or on) and wait for <b>12 s or more<\/b>.<\/p>\n<\/li>\n<li>\n<p>Perform the DTC inspection for the connectivity master unit (CMU) using the M-MDS.<\/p>\n<p>(See <a href=\"SM355862\">DTC INSPECTION [CONNECTIVITY MASTER UNIT]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is the same DTC displayed?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Repeat the inspection from Step 1.<\/p>\n<ul type=\"disc\">\n<li>\n<p>If the malfunction recurs, replace the connectivity master unit (CMU).<\/p>\n<p>(See <a href=\"SM356302\">CONNECTIVITY MASTER UNIT (CMU) REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/li>\n<\/ul>\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>15<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>VERIFY IF OTHER DTCs DISPLAYED<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Are any other DTCs displayed?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.<\/p>\n<p>(See <a href=\"SM355863\">DTC TABLE [CONNECTIVITY MASTER UNIT]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>DTC troubleshooting completed.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n          <a class=\"prevPage\" href=\"SM355826\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SM355828\">Next &gt;<\/a><\/p>\n<div align=\"right\">\n            <a href=\"\"#\">Back to Top<\/a>\n          <\/div>\n<div align=\"center\">\n            <em>\u00a9 2014 Mazda North American Operations, U.S.A.<\/em>\n          <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>&lt; Previous Next &gt; 2016 &#8211; MX-5 &#8211; Body and Accessories DTC U0184:00\/U0187:00 [CONNECTIVITY MASTER UNIT] Description U0184:00 Communication error with tuner and amp unit (TAU) U0187:00 Communication error with CD player Detection condition U0184:00 The connectivity master unit (CMU) cannot receive a CAN signal from the tuner and amp unit (TAU) for 5 s or more. U0187:00 The connectivity master unit (CMU) cannot receive a CAN signal from the CD player for 5 s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10130","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/10130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/comments?post=10130"}],"version-history":[{"count":0,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/10130\/revisions"}],"wp:attachment":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/media?parent=10130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}