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 mirror actuator assembly RH

  • Wire harness or connector

  • Blind spot monitor sensor RH

  • Front multiplex network door ECU RH

WIRING DIAGRAM


  1. B002E2BE01

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Blind Spot Monitor Master > Clear DTCs

    2. 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 (FRONT MULTIPLEX NETWORK DOOR ECU RH - BLIND SPOT MONITOR SENSOR RH AND BODY GROUND)


    1. Disconnect the T31 blind spot monitor sensor RH connector.

    2. Disconnect the N24 front multiplex network door ECU RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T31-4 (OMIR) - N24-21 (BSMI) Always Below 1 Ω
      N24-1 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT FRONT MULTIPLEX NETWORK DOOR ECU RH


    1. Remove the front multiplex network door ECU RH connector.

      Click here

    2. B002EWWC04
      *a

      Component without harness connected

      (Front Multiplex Network Door ECU RH)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N24-21 (BSMI) - z11-8 (BSR+) Always Below 1 Ω
      N24-1 (GND) - z11-12 (-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    OK

  4. INSPECT OUTER MIRROR ACTUATOR ASSEMBLY 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
      z11-8 (BSR+) - IND1-2 (+) Always Below 1 Ω
      z11-12 (-) - IND1-1 (-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY RH Click here

    OK

  5. 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