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 short to +B 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 mirror actuator assembly LH

  • Wire harness or connector

  • Blind spot monitor sensor LH

  • Outer mirror control ECU assembly LH

WIRING DIAGRAM

B004E2HE74

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 U47 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
      U47-4 (OMIL) - Body ground Power 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
      U47-4 (OMIL) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR LH Click here

    NG

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


    1. Disconnect the S7 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
      U47-4 (OMIL) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH Click here

    NG

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


    1. Disconnect the S13 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
      U47-4 (OMIL) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG

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


    1. Disconnect the S12 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
      U47-4 (OMIL) - Body ground Power 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