BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB0

DTC Code DTC Name
C1AB0 Short to +B in Outer Mirror Indicator(Master)

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AB0 Short to +B 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 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 mirror LH

  • Outer rear view mirror assembly LH

  • Wire harness or connector

  • Blind spot monitor sensor LH

  • Outer mirror control ECU assembly LH*1

WIRING DIAGRAM


  1. w/ Seat Memory

    B003TTUE35

  2. w/o Seat Memory

    B003WMYE12
    *a Outer Mirror LH
    *b (Outer Rear View Mirror Indicator LH)
    *c Outer Rear View Mirror Assembly LH
    *d Blind Spot Monitor Sensor LH

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 REAR VIEW MIRROR INDICATOR CIRCUIT)


    1. Disconnect the Q50 blind spot monitor sensor LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      Q50-4 (OMIL) - Body ground Engine switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    NG

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


    1. Disconnect the IND1 outer mirror LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      Q50-4 (OMIL) - Body ground Engine switch on (IG) Below 1 V
      Result
      Result Proceed to
      OK A
      NG (w/o Seat Memory) B
      NG (w/ Seat Memory) C

    A

    REPLACE OUTER MIRROR LH Click here

    C

    CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR CIRCUIT) Click here

    B

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


    1. Disconnect the N23 outer rear view mirror assembly LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      Q50-4 (OMIL) - Body ground Engine switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

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


    1. Disconnect the z11 outer mirror control ECU assembly LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      Q50-4 (OMIL) - Body ground Engine switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

    NG

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


    1. Disconnect the N24 outer mirror control ECU assembly LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      Q50-4 (OMIL) - Body ground Engine switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR