{"id":10105,"date":"2017-06-11T23:57:09","date_gmt":"2017-06-11T23:57:09","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sm355802\/"},"modified":"2017-06-11T23:57:09","modified_gmt":"2017-06-11T23:57:09","slug":"sm355802","status":"publish","type":"page","link":"https:\/\/chroot-me.in\/16ND\/sm355802\/","title":{"rendered":"DTC B1207:86 [ELECTRICAL SUPPLY UNIT (ESU)]"},"content":{"rendered":"
\n <\/p>\n
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\n < Previous<\/a> Next ><\/a><\/p>\n

2016 – MX-5 – Body and Accessories<\/h2>\n

<\/a><\/p>\n

DTC B1207:86 [ELECTRICAL SUPPLY UNIT (ESU)]<\/h3>\n\n\n\n\n\n\n\n
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Description<\/b><\/p>\n<\/td>\n

\n

Error signal received from SAS control module<\/p>\n<\/td>\n<\/tr>\n

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Detection condition<\/b><\/p>\n<\/td>\n

\n
    \n
  • \n

    The electrical supply unit (ESU) detected the following conditions for 2 s or more<\/b> with the ignition switched ON (engine off or on).<\/p>\n<\/li>\n

      \n
    • \n

      Error signal is received from SAS control module even though the collision detection unlock function presence signal received from the BCM determines that the function is present.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/td>\n<\/tr>\n

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Fail-safe<\/b><\/p>\n<\/td>\n

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Not applicable<\/p>\n<\/td>\n<\/tr>\n

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Possible cause<\/b><\/p>\n<\/td>\n

\n
    \n
  • \n

    SAS control module connector or terminal malfunction<\/p>\n<\/li>\n

  • \n

    Electrical supply unit (ESU) connector or terminal malfunction<\/p>\n<\/li>\n

  • \n

    Short to ground in wiring harness between SAS control module terminal 3X and electrical supply unit (ESU) terminal 2H<\/p>\n<\/li>\n

  • \n

    Short to power supply in wiring harness between SAS control module terminal 3X and electrical supply unit (ESU) terminal 2H<\/p>\n<\/li>\n

  • \n

    Open circuit in wiring harness between SAS control module terminal 3X and electrical supply unit (ESU) terminal 2H<\/p>\n<\/li>\n

  • \n

    SAS control module malfunction<\/p>\n<\/li>\n

  • \n

    Electrical supply unit (ESU) malfunction<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n

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<\/a><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n Diagnostic Procedure<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

Step<\/p>\n<\/td>\n

\n

Inspection<\/p>\n<\/td>\n

\n

Action<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n INSPECT SAS CONTROL MODULE CONNECTOR CONDITION<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Repair or replace the connector, then go to Step 7.<\/p>\n<\/td>\n<\/tr>\n

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2<\/p>\n<\/td>\n

\n INSPECT ELECTRICAL SUPPLY UNIT (ESU) CONNECTOR CONDITION<\/b><\/p>\n
    \n
  • \n

    Disconnect the electrical supply unit (ESU) connector.<\/p>\n<\/li>\n

  • \n

    Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.<\/p>\n<\/li>\n

  • \n

    Is the connector normal?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n

\n

Yes<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Repair or replace the connector, then go to Step 7.<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n INSPECT WIRING HARNESS BETWEEN SAS CONTROL MODULE AND ELECTRICAL SUPPLY UNIT (ESU) FOR SHORT TO GROUND<\/b><\/p>\n
    \n
  • \n

    Verify that the SAS control module and electrical supply unit (ESU) connectors are disconnected.<\/p>\n<\/li>\n

  • \n

    Inspect for continuity between SAS control module terminal 3X (wiring harness-side) and body ground.<\/p>\n<\/li>\n

  • \n

    Is there continuity?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n

\n

Yes<\/p>\n<\/td>\n

\n

Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal 3X and electrical supply unit (ESU) terminal 2H.<\/p>\n

    \n If there is a common connector:<\/b><\/p>\n
  • \n

    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

  • \n

    Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n

      \n If there is no common connector:<\/b><\/p>\n
    • \n

      Repair or replace the wiring harness which has a short to ground.<\/p>\n<\/li>\n<\/ul>\n

      Go to Step 7.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n INSPECT WIRING HARNESS BETWEEN SAS CONTROL MODULE AND ELECTRICAL SUPPLY UNIT (ESU) FOR SHORT TO POWER SUPPLY<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal 3X and electrical supply unit (ESU) terminal 2H.<\/p>\n

    \n If there is a common connector:<\/b><\/p>\n
  • \n

    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

  • \n

    Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n

      \n If there is no common connector:<\/b><\/p>\n
    • \n

      Repair or replace the wiring harness which has a short to power supply.<\/p>\n<\/li>\n<\/ul>\n

      Go to Step 7.<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n INSPECT WIRING HARNESS BETWEEN SAS CONTROL MODULE AND ELECTRICAL SUPPLY UNIT (ESU) FOR OPEN CIRCUIT<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal 3X and electrical supply unit (ESU) terminal 2H.<\/p>\n

    \n If there is a common connector:<\/b><\/p>\n
  • \n

    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

  • \n

    Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n

      \n If there is no common connector:<\/b><\/p>\n
    • \n

      Repair or replace the wiring harness which has an open circuit.<\/p>\n<\/li>\n<\/ul>\n

      Go to Step 7.<\/p>\n<\/td>\n<\/tr>\n

\n

6<\/p>\n<\/td>\n

\n VERIFY IF MALFUNCTIONING LOCATION IS SAS CONTROL MODULE DEPENDING ON REPEATABILITY<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Replace the SAS control module, then go to the next step.<\/p>\n

(See SAS CONTROL MODULE REMOVAL\/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM]<\/a>.)<\/p>\n

(See SAS CONTROL MODULE REMOVAL\/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Go to Step 8.<\/p>\n<\/td>\n<\/tr>\n

\n

7<\/p>\n<\/td>\n

\n VERIFY THAT REPAIRS HAVE BEEN COMPLETED<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Repeat the inspection from Step 1.<\/p>\n

\n

No<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

8<\/p>\n<\/td>\n

\n VERIFY IF OTHER DTCs DISPLAYED<\/b><\/p>\n
    \n
  • \n

    Are any other DTCs displayed?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n

\n

Yes<\/p>\n<\/td>\n

\n

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.<\/p>\n

(See DTC TABLE [ELECTRICAL SUPPLY UNIT (ESU)]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

DTC troubleshooting completed.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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\n \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":"

< Previous Next > 2016 – MX-5 – Body and Accessories DTC B1207:86 [ELECTRICAL SUPPLY UNIT (ESU)] Description Error signal received from SAS control module Detection condition The electrical supply unit (ESU) detected the following conditions for 2 s or more with the ignition switched ON (engine off or on). Error signal is received from SAS control module even though the collision detection unlock function presence signal received from the BCM determines that the function […]<\/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-10105","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/10105","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=10105"}],"version-history":[{"count":0,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/10105\/revisions"}],"wp:attachment":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/media?parent=10105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}