BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1ABE

DTC Code DTC Name
C1ABE Short to GND or Open in Buzzer

DESCRIPTION

This DTC is stored when the blind spot monitor sensor RH detects a ground short or open in the RCTA buzzer (blind spot monitor buzzer) circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
C1ABE Short to GND or Open in Buzzer

    Both of the following conditions are met:

  • The blind spot monitor main switch (combination switch assembly) is on with the engine switch on (IG).

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

  • Blind spot monitor sensor RH

  • RCTA buzzer (blind spot monitor buzzer)

  • Harness or connector

 -

WIRING DIAGRAM

B0059AKE92

CAUTION / NOTICE / HINT

Note


  • When checking for DTCs, make sure that the blind spot main switch (combination switch assembly) is on.

  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Blind Spot Monitor Slave > Clear DTCs

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


      Body Electrical > Blind Spot Monitor Slave > Trouble Codes
      OK
      No DTCs are not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (RCTA BUZZER [BLIND SPOT MONITOR BUZZER] - BLIND SPOT MONITOR SENSOR RH AND BATTERY)


    1. Disconnect the P42 RCTA buzzer (blind spot monitor buzzer) connector.

    2. Disconnect the X1 blind spot monitor sensor RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P42-2 (BZN) - X1-3 (BUZ) Always Below 1 Ω
      P42-2 (BZN) - Body ground Always 10 kΩ or higher

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      P42-1 (BZP) - Body ground Engine switch on (IG) 11 to 14 V
      P42-1 (BZP) - Body ground Engine switch off Below 1 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK RCTA BUZZER (BLIND SPOT MONITOR BUZZER)


    1. Replace the RCTA buzzer (blind spot monitor buzzer).

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Blind Spot Monitor Slave > Clear DTCs

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


      Body Electrical > Blind Spot Monitor Slave > Trouble Codes
      OK
      No DTCs are not output.
      Result
      Proceed to
      OK
      NG

    OK

    END (RCTA BUZZER [BLIND SPOT MONITOR BUZZER] WAS DEFECTIVE)

    NG

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here