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

DTC Code DTC Detection Condition Trouble Area
C1AB1

Both of the following conditions are met:


  • Blind spot monitor main switch (integration control and panel 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 LH

  • Outer mirror LH

  • Front multiplex network door ECU LH

  • Blind spot monitor sensor LH

WIRING DIAGRAM

A01FSX9E02

INSPECTION PROCEDURE

Note

When checking for DTCs, make sure that the blind spot monitor main switch (integration control and panel 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 (SHORT TO +B) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  2. CHECK HARNESS AND CONNECTOR (SHORT TO +B)


    1. A01FT7KE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect connector from the blind spot monitor sensor LH.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      U46-6 (OMIL) - Body ground Power switch on (IG) Below 1 V

    NG

    CHECK HARNESS AND CONNECTOR (SHORT TO +B) Click here

    OK

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

  3. CHECK HARNESS AND CONNECTOR (SHORT TO +B)


    1. A01FT7KE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect connector Q19 from the front multiplex network door ECU LH.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      U46-6 (OMIL) - Body ground Power switch on (IG) Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. REPLACE OUTER MIRROR LH


    1. Replace the outer mirror LH 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

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH Click here

    OK

    END (OUTER MIRROR LH IS DEFECTIVE)

  6. REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH


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


    NEXT

  7. 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 FRONT MULTIPLEX NETWORK DOOR ECU LH Click here

    OK

    END (OUTER MIRROR ACTUATOR ASSEMBLY LH IS DEFECTIVE)

  8. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH


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

    OK

    END (FRONT MULTIPLEX NETWORK DOOR ECU LH IS DEFECTIVE)