BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB4

DTC Code DTC Name
C1AB4 Open in Outer Mirror Indicator(Master)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH detects an open in the outer rear view mirror indicator LH.

DTC Code DTC Detection Condition Trouble Area
C1AB4

Both of the following conditions are met:


  • Blind spot monitor main switch (outer mirror switch assembly) is on.

  • The current flowing to the indicator is below a specified value when indicator operation voltage is being sent to the indicator.

  • Harness or connector

  • Outer mirror LH

  • Outer mirror actuator 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. Disconnect connector m2 from the blind spot monitor sensor LH.

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      m2-4 (OMIL) - N9-18 (BSMI) Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT OUTER MIRROR LH (OUTER REAR VIEW MIRROR INDICATOR LH)


    1. Remove 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

  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. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH


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


    NEXT

  7. 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