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 No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB4

Open in Outer Mirror Indicator(Master)

  • Both of the following conditions are met:

  • Blind spot monitor main switch (warning cancel switch assembly*1 or telltale light assembly*2) is on.

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

  • Outer rear view mirror sub-assembly LH (outer rear view mirror indicator LH)

  • Outer rear view mirror assembly LH

  • Blind spot monitor sensor LH

  • Harness or connector

WIRING DIAGRAM

E270468E05

CAUTION / NOTICE / HINT

Note:

When checking for DTCs, make sure that the blind spot monitor main switch (warning cancel switch assembly*1 or telltale light assembly*2) is on.

  • *1: LHD

  • *2: RHD

PROCEDURE

  1. CHECK DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > Blind Spot Monitor Master > Clear DTCs

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

      Click here

      Body Electrical > Blind Spot Monitor Master > Trouble Codes

    Result

    Proceed to

    No DTCs are output

    DTCs are output
    No DTCs are output

    USE SIMULATION METHOD TO CHECK

    Click hereClick hereClick hereClick here

    DTCs are output

  2. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR LH CIRCUIT)

    1. Disconnect the R1 blind spot monitor sensor LH connector.

    2. Disconnect the J8 outer rear view mirror assembly LH connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      R1-4 (OMIL) - J8-1 (BSL+)

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH

    1. Remove the outer rear view mirror sub-assembly LH.

      Click here

    2. Inspect the outer rear view mirror sub-assembly LH.

      Click here

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH

    Click here

    OK

  4. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

    1. Replace the outer rear view mirror assembly LH.

      Click here

    2. Clear the DTCs.

      Click here

      Body Electrical > Blind Spot Monitor Master > Clear DTCs

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

      Click here

      Body Electrical > Blind Spot Monitor Master > Trouble Codes

      Result

      Proceed to

      No DTCs are output

      DTCs are output
    No DTCs are output

    END (OUTER REAR VIEW MIRROR ASSEMBLY LH IS DEFECTIVE)

    DTCs are output

    REPLACE OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH

    Click here