{"id":10225,"date":"2017-06-11T23:56:58","date_gmt":"2017-06-11T23:56:58","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sm355922\/"},"modified":"2017-06-11T23:56:58","modified_gmt":"2017-06-11T23:56:58","slug":"sm355922","status":"publish","type":"page","link":"https:\/\/chroot-me.in\/16ND\/sm355922\/","title":{"rendered":"DTC B10C7:1F [START STOP UNIT]"},"content":{"rendered":"
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\n < Previous<\/a> Next ><\/a><\/p>\n

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

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DTC B10C7:1F [START STOP UNIT]<\/h3>\n\n\n\n\n\n\n\n
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Description<\/p>\n<\/td>\n

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Keyless antenna (interior, rear) circuit malfunction<\/p>\n<\/td>\n<\/tr>\n

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

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    \n
  • \n

    Start stop unit detects an open circuit or short to ground in the keyless antenna (interior, rear) circuit with the ignition switched off.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n

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

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    \n
  • \n

    Inhibits the door lock\/unlock control using the advanced keyless entry system.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n

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

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    \n
  • \n

    Keyless antenna (interior, rear) connector or terminal malfunction<\/p>\n<\/li>\n

  • \n

    LF control unit connector or terminal malfunction<\/p>\n<\/li>\n

  • \n

    Short to ground in wiring harness between the following terminals:<\/p>\n<\/li>\n

      \n
    • \n

      LF control unit terminal R\u2014Keyless antenna (interior, rear) terminal B<\/p>\n<\/li>\n

    • \n

      LF control unit terminal P\u2014Keyless antenna (interior, rear) terminal A<\/p>\n<\/li>\n<\/ul>\n

    • \n

      Open circuit in wiring harness between the following terminals:<\/p>\n<\/li>\n

        \n
      • \n

        LF control unit terminal R\u2014Keyless antenna (interior, rear) terminal B<\/p>\n<\/li>\n

      • \n

        LF control unit terminal P\u2014Keyless antenna (interior, rear) terminal A<\/p>\n<\/li>\n<\/ul>\n

      • \n

        LF control unit malfunction<\/p>\n<\/li>\n

      • \n

        Keyless antenna (interior, rear) malfunction<\/p>\n<\/li>\n

      • \n

        Start stop unit 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
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Step<\/p>\n<\/td>\n

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

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

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

\n INSPECT KEYLESS ANTENNA (INTERIOR, REAR) CONNECTOR CONDITION<\/b><\/p>\n\n

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

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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 LF CONTROL UNIT CONNECTOR CONDITION<\/b><\/p>\n
    \n
  • \n

    Disconnect the LF control unit 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

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

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

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

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

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

\n INSPECT KEYLESS ANTENNA (INTERIOR, REAR) CIRCUIT FOR SHORT TO GROUND<\/b><\/p>\n
    \n
  • \n

    Verify that the LF control unit and keyless antenna (interior, rear) connectors are disconnected.<\/p>\n<\/li>\n

  • \n

    Inspect for continuity between the following terminals (wiring harness-side) and body ground:<\/p>\n<\/li>\n

      \n
    • \n

      Keyless antenna (interior, rear) terminal B<\/p>\n<\/li>\n

    • \n

      Keyless antenna (interior, rear) terminal A<\/p>\n<\/li>\n<\/ul>\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 the following terminals:<\/p>\n

    \n
  • \n

    LF control unit terminal R\u2014Keyless antenna (interior, rear) terminal B<\/p>\n<\/li>\n

  • \n

    LF control unit terminal P\u2014Keyless antenna (interior, rear) terminal A<\/p>\n<\/li>\n<\/ul>\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

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

\n INSPECT KEYLESS ANTENNA (INTERIOR, REAR) CIRCUIT FOR OPEN CIRCUIT<\/b><\/p>\n
    \n
  • \n

    Verify that the LF control unit and keyless antenna (interior, rear) connectors are disconnected.<\/p>\n<\/li>\n

  • \n

    Inspect for continuity between the following terminals (wiring harness-side):<\/p>\n<\/li>\n

      \n
    • \n

      LF control unit terminal R\u2014Keyless antenna (interior, rear) terminal B<\/p>\n<\/li>\n

    • \n

      LF control unit terminal P\u2014Keyless antenna (interior, rear) terminal A<\/p>\n<\/li>\n<\/ul>\n

    • \n

      Is there continuity?<\/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

Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:<\/p>\n

    \n
  • \n

    LF control unit terminal R\u2014Keyless antenna (interior, rear) terminal B<\/p>\n<\/li>\n

  • \n

    LF control unit terminal P\u2014Keyless antenna (interior, rear) terminal A<\/p>\n<\/li>\n<\/ul>\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

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

\n INSPECT LF CONTROL UNIT<\/b><\/p>\n\n

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

\n

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

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

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Replace the LF control unit, then go to Step 7.<\/p>\n

(See LF CONTROL UNIT REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

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

\n VERIFY IF MALFUNCTIONING LOCATION IS KEYLESS ANTENNA (INTERIOR, REAR) DEPENDING ON REPEATABILITY<\/b><\/p>\n\n

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

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Replace the keyless antenna (interior, rear), then go to the next step.<\/p>\n

(See KEYLESS ANTENNA REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

\n

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

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

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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

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

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

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

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

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

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

(See DTC TABLE [START STOP UNIT]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

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

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

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\n Back to Top<\/a>\n <\/div>\n
\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 B10C7:1F [START STOP UNIT] Description Keyless antenna (interior, rear) circuit malfunction Detection condition Start stop unit detects an open circuit or short to ground in the keyless antenna (interior, rear) circuit with the ignition switched off. Fail-safe Inhibits the door lock\/unlock control using the advanced keyless entry system. Possible cause Keyless antenna (interior, rear) connector or terminal malfunction LF control unit connector or […]<\/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-10225","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/10225","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=10225"}],"version-history":[{"count":0,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/10225\/revisions"}],"wp:attachment":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/media?parent=10225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}