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 ground short in the outer rear view mirror indicator RH.

DTC No. DTC Detection Condition Trouble Area
C1AB3

Both of the following conditions are met:


  • The blind spot monitor main switch (steering pad switch assembly [multi-function switch]) 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 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

B0018VTE21

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 MIRROR CONTROL ECU ASSEMBLY RH)


    1. B001AALE01
      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 resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      o1-4 (OMIR) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. B0018T4E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Outer Mirror Control ECU Assembly RH)

      Disconnect the outer mirror control ECU assembly RH connector.

    2. Disconnect the I33 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
      I37-8 (BDIR) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK OUTER REAR VIEW MIRROR ASSEMBLY RH


    1. B0019P5E02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Outer Rear View Mirror Assembly RH)

      Disconnect the outer rear view mirror assembly RH connector.

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I33-15 (BSR+) - Body ground Always 10 kΩ or higher

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    OK

  5. INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY RH


    1. B0019D3E03
      Text in Illustration
      *a

      Component without harness connected

      (Outer Mirror Control ECU Assembly RH)

      Remove the outer mirror control ECU assembly RH connector Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I38-13 (BDSR) - I38-7 (GND) Always 10 kΩ or higher

    NG

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here

    OK

  6. REPLACE OUTER REAR VIEW MIRROR RH


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

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    END (OUTER REAR VIEW MIRROR RH WAS DEFECTIVE)

    NG

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here