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 Code DTC Detection Condition Trouble Area
C1AB1

  • Both of the following conditions are met:


    • Blind spot monitor main switch (outer mirror 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.

  • Harness or connector

  • Outer mirror actuator assembly RH

  • Outer mirror RH

  • Outer rear view mirror assembly RH

  • Front multiplex network door ECU RH

  • Blind spot monitor sensor RH

WIRING DIAGRAM

A01H0I8E09

INSPECTION PROCEDURE

Note

When checking for DTCs, make sure that the blind spot monitor main switch (outer mirror switch assembly) is on.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    CHECK HARNESS AND CONNECTOR Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  2. CHECK HARNESS AND CONNECTOR


    1. A01H1W7E06
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect the connector from the blind spot monitor sensor RH.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      m1-4 (OMIR) - Body ground Power switch on (IG) Below 1 V

    NG

    CHECK HARNESS AND CONNECTOR Click here

    OK

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

  3. CHECK HARNESS AND CONNECTOR


    1. A01H1W7E06
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor RH)

      Disconnect connector N2 from the front multiplex network door ECU RH.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      m1-4 (OMIR) - Body ground Power switch on (IG) Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. REPLACE OUTER MIRROR ACTUATOR ASSEMBLY RH


    1. Replace the outer mirror actuator assembly RH Click here.


    NEXT

  5. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    INSPECT OUTER MIRROR RH Click here

    OK

    END (OUTER MIRROR ACTUATOR ASSEMBLY RH IS DEFECTIVE)

  6. INSPECT OUTER MIRROR RH


    1. Remove the outer mirror RH Click here.

    2. Inspect the outer mirror RH (outer rear view mirror assembly RH) Click here.


    NG

    REPLACE OUTER MIRROR RH Click here

    OK

  7. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH


    1. Replace the outer rear view mirror assembly RH Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTC is output again Click here.

      OK
      No DTCs are output.

    NG

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    OK

    END (OUTER REAR VIEW MIRROR ASSEMBLY RH IS DEFECTIVE)

  8. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH


    1. Replace the multiplex network door ECU RH Click here.


    NEXT

  9. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

    OK

    END (FRONT MULTIPLEX NETWORK DOOR ECU RH IS DEFECTIVE)