BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB3

DTC Code DTC Name
C1AB3 Short to GND in Outer Mirror Indicator(Slave)

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AB3 Short to GND in Outer Mirror Indicator(Slave)

    Both of the following conditions are met:

  • The blind spot monitor main switch (warning canceling switch assembly) is on


  • The current that is sent from the blind spot monitor sensor to the indicator is above a specified level for a specified period of time

  • Outer mirror RH

  • Outer mirror actuator assembly RH

  • Wire harness or connector

  • Blind spot monitor sensor RH

  • Outer mirror control ECU assembly RH*

WIRING DIAGRAM


  1. w/ Seat Memory

    B00749DE75

  2. w/o Seat Memory

    B0073MNE15
    *a Outer Mirror RH
    *b (Outer Rear View Mirror Indicator RH)
    *c Outer Mirror Actuator Assembly RH
    *d Blind Spot Monitor Sensor RH

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 Slave > Clear DTCs

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


      Body Electrical > Blind Spot Monitor Slave > Trouble Codes
      OK
      No DTCs are output.
      Result
      Result Proceed to
      OK A
      NG (w/o Seat Memory) B
      NG (w/ Seat Memory) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - OUTER MIRROR CONTROL ECU ASSEMBLY RH) Click here

    B

  2. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - OUTER REAR VIEW MIRROR ASSEMBLY RH)


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

    2. Disconnect the R7 outer rear view mirror assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U48-4 (OMIR) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT OUTER MIRROR ACTUATOR ASSEMBLY RH


    1. Disconnect the IND2 outer mirror RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      R7-8 (BSR+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    GO TO STEP 8 Click here

    NG

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY RH Click here

  4. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - OUTER MIRROR CONTROL ECU ASSEMBLY RH)


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

    2. Disconnect the R12 outer mirror control ECU assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U48-4 (OMIR) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY RH - OUTER MIRROR CONTROL ECU ASSEMBLY RH)


    1. Disconnect the R7 outer rear view mirror assembly RH connector.

    2. Disconnect the R13 outer mirror control ECU assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      R13-8 (BDIR) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT OUTER MIRROR ACTUATOR ASSEMBLY RH


    1. Disconnect the IND2 outer mirror RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      R7-8 (BSR+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY RH Click here

    OK

  7. INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY RH


    1. B00757EC51
      *a

      Component without harness connected

      (Outer Mirror Control ECU Assembly RH)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      R12-13 (BDSR) - R12-7 (GND) Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here

    OK

  8. INSPECT OUTER MIRROR RH


    1. Remove the outer mirror RH.

      Click here

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

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

    NG

    REPLACE OUTER MIRROR RH Click here