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 RH detects a +B short in the outer rear view mirror indicator RH.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
C1AB0 Short to +B in Outer Mirror Indicator(Master)

    Both of the following conditions are met:

  • The blind spot monitor main switch (combination 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 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

A01MGBTE03

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor main switch (combination 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
      DTC C1AB0 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

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


    1. A01MH52C51
      *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
      Q20-4 (OMIR) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    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. A01MH52C51
      *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
      Q20-4 (OMIR) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    NG

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


    1. A01MH52C51
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the z12 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
      Q20-4 (OMIR) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    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. A01MH52C51
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the blind spot monitor sensor RH connector.

    2. Disconnect the L1 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
      Q20-4 (OMIR) - Body ground Power switch on (IG) Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR