BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB2

DTC Code DTC Name
C1AB2 Short to GND in Outer Mirror Indicator(Master)

DESCRIPTION

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

DTC No. DTC Detection Condition Trouble Area
C1AB2

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 LH (outer rear view mirror indicator LH)

  • Outer rear view mirror assembly LH

  • Harness or connector

  • Blind spot monitor sensor LH

  • Outer mirror control ECU assembly LH

WIRING DIAGRAM

B0018VTE19

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 LH - OUTER MIRROR CONTROL ECU ASSEMBLY LH)


    1. B001AZYE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)

      Disconnect the blind spot monitor sensor LH connector.

    2. Disconnect the I40 outer mirror control ECU assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      o2-4 (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 LH - OUTER REAR VIEW MIRROR ASSEMBLY LH)


    1. B0018VZE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Outer Mirror Control ECU Assembly LH)

      Disconnect the outer mirror control ECU assembly LH connector.

    2. Disconnect the I40 outer rear view mirror assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I40-8 (BDIL) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK OUTER REAR VIEW MIRROR ASSEMBLY LH


    1. B0018QBE03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Outer Rear View Mirror Assembly LH)

      Disconnect the outer rear view mirror assembly LH connector.

    2. Disconnect the IND2 outer rear view mirror LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I35-15 (BSL+) - Body ground Always 10 kΩ or higher

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

    OK

  5. INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY LH


    1. B0018L6E03
      Text in Illustration
      *a

      Component without harness connected

      (Outer Mirror Control ECU Assembly LH)

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I41-13 (BDSL) - I41-7 (GND) Always 10 kΩ or higher

    NG

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here

    OK

  6. CHECK OUTER REAR VIEW MIRROR LH


    1. Replace the outer rear view mirror LH 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 LH WAS DEFECTIVE)

    NG

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here