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.

Detection Item

DTC Detection Condition

Trouble Area

Note

C1AB0

Short to +B in Outer Mirror Indicator(Master)

  • Both of the following conditions are met:

  • The blind spot monitor main switch (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

E233743E51

CAUTION / NOTICE / HINT

Note:

When checking for DTCs, make sure that the blind spot monitor main switch (multi-function switch) 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 C1AB0 is not output.

    Result

    Proceed to

    OK

    NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click hereClick here

    NG

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

    1. Disconnect the R44 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

      R44-4 (OMIL) - Body ground

      Engine switch on (IG)

      Below 1 V

    Result

    Proceed to

    OK

    NG
    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. Disconnect the R44 blind spot monitor sensor LH connector.

    2. Disconnect the IND1 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

      R44-4 (OMIL) - Body ground

      Engine switch on (IG)

      Below 1 V

    Result

    Proceed to

    OK

    NG
    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. Disconnect the R44 blind spot monitor sensor LH connector.

    2. Disconnect the z3 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

      R44-4 (OMIL) - Body ground

      Engine switch on (IG)

      Below 1 V

    Result

    Proceed to

    OK

    NG
    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. Disconnect the R44 blind spot monitor sensor LH connector.

    2. Disconnect the K8 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

      R44-4 (OMIL) - Body ground

      Engine switch on (IG)

      Below 1 V

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR