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:

  • The blind spot monitor main switch (warning canceling 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

  • Outer mirror LH

  • Outer mirror actuator assembly LH

  • Wire harness or connector

  • Blind spot monitor sensor LH

  • Outer mirror control ECU assembly LH

WIRING DIAGRAM


  1. B0067DKE92

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor main switch (warning canceling switch assembly) is on.

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.


      Body Electrical > Blind Spot Monitor Master > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU ASSEMBLY LH - BLIND SPOT MONITOR SENSOR LH AND BODY GROUND)


    1. Disconnect the U48 blind spot monitor sensor LH connector.

    2. Disconnect the S12 outer mirror control ECU assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U48-4 (OMIL) - S12-13 (BDSL) Always Below 1 Ω
      S12-7 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY LH


    1. Disconnect the S13 outer mirror control ECU assembly LH connector.

    2. B0066DFC52
      *a

      Component without harness connected

      (Outer Mirror Control ECU Assembly LH)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S12-13 (BDSL) - S13-8 (BDIL) Always Below 1 Ω
      S12-7 (GND) - S13-12 (HTR-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH)


    1. Disconnect the S7 outer rear view mirror assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S7-8 (BSL+) - S13-8 (BDIL) Always Below 1 Ω
      S7-12 (-) - S13-12 (HTR-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT OUTER MIRROR ACTUATOR ASSEMBLY LH


    1. Disconnect the IND1 outer mirror LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S7-8 (BSL+) - IND1-2 (+) Always Below 1 Ω
      S7-12 (-) - IND1-1 (-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH Click here

    OK

  6. INSPECT OUTER MIRROR LH


    1. Remove the outer mirror LH.

      Click here

    2. Inspect the outer rear view mirror indicator LH on the outer mirror LH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    NG

    REPLACE OUTER MIRROR LH Click here