BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB5

DTC Code DTC Name
C1AB5 Open in Outer Mirror Indicator(Slave)

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
C1AB5

Both of the following conditions are met:


  • Blind spot monitor system 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 rear view mirror assembly LH

  • Front multiplex network door ECU LH

  • Blind spot monitor sensor LH

WIRING DIAGRAM

A000SSNE05

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor system 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
      DTC C1AB5 is not output.

    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 U59 blind spot monitor sensor LH connector.

    2. Disconnect the Q19 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
      U59-4 (OMIL) - Q19-21 (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. CHECK OUTER REAR VIEW MIRROR ASSEMBLY LH


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

    2. Clear the DTCs Click here.

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

      OK
      DTC C1AB5 is not output.

    OK

    END (OUTER REAR VIEW MIRROR ASSEMBLY LH IS DEFECTIVE)

    NG

  5. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH


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

    2. Clear the DTCs Click here.

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

      OK
      DTC C1AB5 is not output.

    OK

    END (FRONT MULTIPLEX NETWORK DOOR ECU LH IS DEFECTIVE)

    NG

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here