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 Code DTC Detection Condition Trouble Area
C1AB0

  • Both of the following conditions are met:


    • Blind spot monitor main switch (outer mirror 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.

  • Harness or connector

  • Outer mirror actuator assembly LH

  • Outer mirror LH

  • Outer rear view mirror assembly LH

  • Front multiplex network door ECU LH

  • Blind spot monitor sensor LH

WIRING DIAGRAM

A001DYWE18

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor main switch (outer mirror 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 Click here.

      OK
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR


    1. A001EECE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect the connector from the blind spot monitor sensor LH.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      m2-4 (OMIL) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    NG

  3. CHECK HARNESS AND CONNECTOR


    1. A001EECE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect connector N9 from the front multiplex network door ECU LH.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      m2-4 (OMIL) - Body ground Engine switch on (IG) Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH


    1. Replace the outer mirror actuator assembly LH Click here.


    NEXT

  5. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    END (OUTER MIRROR ACTUATOR ASSEMBLY LH IS DEFECTIVE)

    NG

  6. INSPECT OUTER MIRROR LH


    1. Replace the outer mirror LH Click here.

    2. Inspect the outer mirror LH (outer rear view mirror indicator LH) Click here.


    NG

    REPLACE OUTER MIRROR LH Click here

    OK

  7. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH


    1. Replace the outer rear view mirror assembly LH Click here.

    2. Clear the DTCs Click here.

    3. Check for DTCs and check if the same DTC is output again Click here.

      OK
      No DTCs are output.

    OK

    END (OUTER REAR VIEW MIRROR ASSEMBLY LH IS DEFECTIVE)

    NG

  8. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH


    1. Replace the front multiplex network door ECU LH Click here.


    NEXT

  9. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    END (FRONT MULTIPLEX NETWORK DOOR ECU LH IS DEFECTIVE)

    NG

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here