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:

  • Blind spot monitor main switch (warning canceling switch assembly) 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 RH (outer rear view mirror indicator RH)

  • Outer rear view mirror assembly RH

  • Wire harness or connector

  • Blind spot monitor sensor RH

  • Outer mirror control ECU assembly RH

WIRING DIAGRAM

A01G9IEE20

INSPECTION PROCEDURE

Note

When checking for DTCs, make sure that the blind spot monitor main switch (warning canceling switch assembly) 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
      No DTCs are output.

    NG

    CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - OUTER REAR VIEW MIRROR RH) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

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


    1. Disconnect the U9 blind spot monitor sensor RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      U9-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    NG

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

    OK

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

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


    1. Disconnect the IND1 outer rear view mirror RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      U9-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    NG

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

    OK

    REPLACE OUTER REAR VIEW MIRROR RH Click here

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


    1. Disconnect the z8 outer mirror control ECU assembly RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      U9-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    NG

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

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

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


    1. Disconnect the L10 outer mirror control ECU assembly RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      U9-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here