BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB0

DTC Code DTC Name
C1AB0 Short to +B in Outer Mirror Indicator(Master)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH detects a +B short in the outer rear view mirror indicator LH.

DTC No. DTC Detection Condition Trouble Area
C1AB0

Both of the following conditions are met:


  • The blind spot monitor main switch (steering pad switch assembly [multi-function switch]) is on.


  • The blind spot monitor sensor is not sending voltage to the indicator but the indicator receives voltage above a specified level for a specified period of time.

  • Outer rear view mirror LH (outer rear view mirror indicator LH)

  • Outer rear view mirror assembly LH

  • Harness or connector

  • Blind spot monitor sensor LH

  • Outer mirror control ECU assembly LH

WIRING DIAGRAM

B001VKXE17

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor main switch (steering pad switch assembly [multi-function switch]) is on.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Recheck for DTCs and check if the same DTC is output again.

      OK
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER REAR VIEW MIRROR LH [OUTER REAR VIEW MIRROR INDICATOR LH])


    1. B001WZYE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect the blind spot monitor sensor LH connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r2-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    NG

  3. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER REAR VIEW MIRROR ASSEMBLY LH)


    1. B001WZYE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect the blind spot monitor sensor LH connector.

    2. Disconnect the IND2 outer rear view mirror LH connector.

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r2-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE OUTER REAR VIEW MIRROR LH Click here

    NG

  4. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH)


    1. B001WZYE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect the blind spot monitor sensor LH connector.

    2. Disconnect the I35 outer rear view mirror assembly LH connector.

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r2-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

    NG

  5. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH)


    1. B001WZYE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect the blind spot monitor sensor LH connector.

    2. Disconnect the I40 outer mirror control ECU assembly LH connector.

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r2-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG

  6. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH)


    1. B001Z40E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect the blind spot monitor sensor LH connector.

    2. Disconnect the I41 outer mirror control ECU assembly LH connector.

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r2-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR