BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB2

DTC Code DTC Name
C1AB2 Short to GND in Outer Mirror Indicator(Master)

DESCRIPTION

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

DTC No. DTC Detection Condition Trouble Area
C1AB2

    Both of the following conditions are met:

  • Blind spot monitor main switch (warning canceling switch assembly) is on.


  • The current that is sent from the blind spot monitor sensor to the indicator is 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

  • Wire harness or connector

  • Blind spot monitor sensor LH

  • Outer mirror control ECU assembly LH

WIRING DIAGRAM

A01G9IEE19

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 LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

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


    1. Disconnect the U8 blind spot monitor sensor LH connector.

    2. Disconnect the M9 outer mirror control ECU assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Always
      M9-13 (BDSL) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH)


    1. Disconnect the z7 outer mirror control ECU assembly LH connector.

    2. Disconnect the IND2 outer rear view mirror LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      z7-8 (BSM) - Body ground Always 10 kΩ or higher

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

    OK

  4. INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY LH


    1. Disconnect the M9 outer mirror control ECU assembly LH connector.

    2. A01G98OE30
      Text in Illustration
      *a

      Component without harness connected

      (Outer Mirror Control ECU Assembly LH)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      M9-13 (BDSL) - Body ground Always 10 kΩ or higher

    NG

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here

    OK

  5. REPLACE OUTER REAR VIEW MIRROR LH


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


    NEXT

  6. 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

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    OK

    END (OUTER REAR VIEW MIRROR LH WAS DEFECTIVE)