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 RH detects a short to +B in the outer rear view mirror indicator RH.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AB0 Short to +B in Outer Mirror Indicator(Master)

    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 mirror actuator assembly RH

  • Harness or connector

  • Blind spot monitor sensor RH

  • Front multiplex network door ECU RH

WIRING DIAGRAM

B004VIWE39

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK DTC


    1. Turn the power switch off.

    2. Turn the power switch on (IG).

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


      Body Electrical > Blind Spot Monitor Master > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT)


    1. 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
      L56-4 (OMIR) - Body ground Power 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 (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT)


    1. Disconnect the L56 blind spot monitor sensor RH connector.

    2. Disconnect the IND1 outer mirror RH (outer rear view mirror indicator RH) connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      L56-4 (OMIR) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR RH (OUTER REAR VIEW MIRROR INDICATOR RH) Click here

    NG

  4. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT)


    1. Disconnect the L56 blind spot monitor sensor RH connector.

    2. Disconnect the z37 outer rear view mirror assembly RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      L56-4 (OMIR) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY RH Click here

    NG

  5. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT)


    1. Disconnect the L56 blind spot monitor sensor RH connector.

    2. Disconnect the H12 front multiplex network door ECU RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      L56-4 (OMIR) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR