BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB1

DTC Code DTC Name
C1AB1 Short to +B in Outer Mirror Indicator(Slave)

DESCRIPTION

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

DTC No. DTC Detection Condition Trouble Area
C1AB1

Both of the following conditions are met:


  • The blind spot monitor main switch (steering pad switch assembly [multi-function switch]) 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 rear view mirror RH (outer rear view mirror indicator RH)

  • Outer rear view mirror assembly RH

  • Harness or connector

  • Blind spot monitor sensor RH

  • Outer mirror control ECU assembly RH

WIRING DIAGRAM

B001VKXE18

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor main switch (steering pad switch assembly [multi-function switch]) is on.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

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


    1. B001X5ZE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r1-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

    NG

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


    1. B001X5ZE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the IND1 outer rear view mirror RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r1-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE OUTER REAR VIEW MIRROR RH Click here

    NG

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


    1. B001X5ZE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the I32 outer rear view mirror assembly RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r1-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    NG

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


    1. B001X5ZE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the I37 outer mirror control ECU assembly RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r1-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG

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


    1. B001X5ZE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the I38 outer mirror control ECU assembly RH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      r1-4 (OMIR) - Body ground Engine switch on (IG) Below 1 V

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR