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

A01QTG6E05
*a Outer Rear View Mirror Sub-assembly LH (Outer Rear View Mirror Indicator LH)
*b Outer Rear View Mirror Assembly LH
*c Blind Spot Monitor Sensor LH

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
    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
    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
    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
    DTCs are output