BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB3

DTC Code DTC Name
C1AB3 Short to GND in Outer Mirror Indicator(Slave)

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AB3 Short to GND in Outer Mirror Indicator(Slave)

    Both of the following conditions are met:

  • The blind spot monitor system 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 mirror LH

  • Outer mirror actuator assembly LH

  • Wire harness or connector

  • Blind spot monitor sensor LH

  • Front multiplex network door ECU LH

WIRING DIAGRAM


  1. B002E2BE02

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Blind Spot Monitor Slave > Clear DTCs

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


      Body Electrical > Blind Spot Monitor Slave > 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 (BLIND SPOT MONITOR SENSOR LH - FRONT MULTIPLEX NETWORK DOOR ECU LH)


    1. Disconnect the U37 blind spot monitor sensor LH connector.

    2. Disconnect the O4 front multiplex network door ECU LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U37-4 (OMIL) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT OUTER MIRROR ACTUATOR ASSEMBLY LH


    1. Disconnect the IND2 outer mirror LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      z10-8 (BSL+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH Click here

    OK

  4. INSPECT FRONT MULTIPLEX NETWORK DOOR ECU LH


    1. B002EWWC02
      *a

      Component without harness connected

      (Front Multiplex Network Door ECU LH)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O4-21 (BSMI) - O4-1 (GND) Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here

    OK

  5. INSPECT OUTER MIRROR LH


    1. Remove the outer mirror LH.

      Click here

    2. Inspect the outer rear view mirror indicator LH on the outer mirror LH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    NG

    REPLACE OUTER MIRROR LH Click here