BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB1

DTC Code DTC Name
C1AB1 Short to +B in Outer Mirror Indicator(Slave)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor RH detects a +B short in the outer rear view mirror indicator RH.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB1

Short to +B in Outer Mirror Indicator(Slave)

  • 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 blind spot monitor sensor is not sending voltage to the indicator but the indicator receives voltage above a specified level for a specified period of time.

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

  • Outer rear view mirror assembly RH

  • Blind spot monitor sensor RH

  • Harness or connector

  • *1: for LHD

  • *2: for RHD

WIRING DIAGRAM

E270468E02

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: for LHD

  • *2: for RHD

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.

      Click here

      Body Electrical > Blind Spot Monitor Slave > Trouble Codes

      Body Electrical > Blind Spot Monitor Slave > Trouble Codes

    Result

    Proceed to

    No DTCs are output

    DTCs are output
    No DTCs are output

    USE SIMULATION METHOD TO CHECK

    Click here

    DTCs are output

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

    1. Disconnect the T1 blind spot monitor sensor RH connector.

    2. Disconnect the I8 outer rear view mirror sub-assembly RH connector.

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

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      T1-4 (OMIR) - Body ground

      Ignition switch ON

      Below 1 V

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT OUTER REAR VIEW MIRROR SUB-ASSEMBLY RH

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

      Click here

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

      Click here

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE OUTER REAR VIEW MIRROR SUB-ASSEMBLY RH

    Click here

    OK

  4. CHECK OUTER REAR VIEW MIRROR ASSEMBLY RH

    1. Remove the outer rear view mirror assembly RH.

      Click here

    2. Clear the DTCs.

      Click here

      Body Electrical > Blind Spot Monitor Slave > Clear DTCs

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

      Click here

      Body Electrical > Blind Spot Monitor Slave > Trouble Codes

    Result

    Proceed to

    No DTCs are output

    DTCs are output
    No DTCs are output

    END (OUTER REAR VIEW MIRROR ASSEMBLY RH IS DEFECTIVE)

    DTCs are output

    REPLACE BLIND SPOT MONITOR SENSOR RH

    Click here