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 rear view mirror indicator LH)

  • Outer mirror actuator assembly LH

  • Harness or connector

  • Blind spot monitor sensor LH

  • Front multiplex network door ECU LH

WIRING DIAGRAM

B004VIWE40

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 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 L57 blind spot monitor sensor LH connector.

    2. Disconnect the H31 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
      L57-4 (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 z38 outer rear view mirror assembly LH connector.

    2. Disconnect the IND2 outer mirror LH (outer rear view mirror indicator LH).

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      z38-8 (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. B004UAXC07
      *a

      Component without harness connected

      (Front Multiplex Network Door ECU LH)

      Disconnect the front multiplex network door ECU LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H31-21 (BSMI) - H31-1 (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 (OUTER REAR VIEW MIRROR INDICATOR LH)


    1. Remove the outer mirror LH (outer rear view mirror indicator LH).

      Click here

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

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    NG

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