BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB4

DTC Code DTC Name
C1AB4 Open in Outer Mirror Indicator(Master)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor RH detects an open in the outer rear view mirror indicator RH.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AB4 Open in Outer Mirror Indicator(Master)

    Both of the following conditions are met:

  • The blind spot monitor system is on


  • The current flowing to the indicator is below a specified value when indicator operation voltage is being sent to the indicator

  • Outer mirror RH

  • Outer rear view mirror assembly with cover RH

  • Wire harness or connector

  • Blind spot monitor sensor RH

  • Outer mirror control ECU assembly RH

WIRING DIAGRAM


  1. B006YFDE07

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor system is turned on.

PROCEDURE


  1. CHECK DTC


    1. Turn the engine switch off.

    2. Turn the engine switch on (IG).

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


      Body Electrical > Blind Spot Monitor Master > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

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


    1. Disconnect the W5 blind spot monitor sensor RH connector.

    2. Disconnect the N19 outer rear view mirror assembly with cover RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W5-4 (OMIR) - N19-3 (BSR+) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the N19 outer rear view mirror assembly with cover RH connector.

    2. Disconnect the N9 and N10 outer mirror control ECU assembly RH connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N19-11 (-) - N10-12 (HTR-) Always Below 1 Ω
      N9-7 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY RH


    1. Disconnect the N9 and N10 outer mirror control ECU assembly RH connectors.

    2. B006YIHC01
      *a

      Component without harness connected

      (Outer Mirror Control ECU Assembly RH)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N9-7 (GND) - N10-12 (HTR-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here

    OK

  5. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY WITH COVER RH


    1. Disconnect the IND1 outer mirror RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N19-3 (BSR+) - IND1-2 (+) Always Below 1 Ω
      N19-11 (-) - IND1-1 (-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY WITH COVER RH Click here

    OK

  6. INSPECT OUTER MIRROR RH


    1. Remove the outer mirror RH.

      Click here

    2. Inspect the outer rear view mirror indicator RH on the outer mirror RH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

    NG

    REPLACE OUTER MIRROR RH Click here