BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB1

DTC Code DTC Name
C1AB1 Short to +B in Outer Mirror Indicator(Slave)

DESCRIPTION

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

DTC No. DTC Detection Condition Trouble Area
C1AB1

    Both of the following conditions are met:

  • The blind spot monitor system 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 mirror RH (outer rear view mirror indicator RH)

  • Outer rear view mirror assembly RH

  • Harness or connector

  • Blind spot monitor sensor RH

  • Outer mirror control ECU assembly RH

WIRING DIAGRAM

B001G25E34

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor system is on.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here

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

      OK
      DTC C1AB1 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - OUTER MIRROR RH)


    1. B001FN1C02
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      R43-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

    NG

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


    1. B001FN1C02
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the IND1 outer mirror RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      R43-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR RH Click here

    NG

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


    1. B001FN1C02
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the z19 outer mirror control ECU assembly RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      R43-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    NG

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


    1. B001FN1C02
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the J12 outer mirror control ECU assembly RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      R43-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR