BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1ABE

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

DESCRIPTION

DTC C1ABE is stored when the blind spot monitor sensor LH detects a short to ground or open in the RCTA buzzer (blind spot monitor buzzer) circuit.

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

    Both of the following conditions are met:

  • The blind spot monitor system is on

  • The blind spot monitor sensor is not sounding the buzzer but the buzzer receives voltage below a specified level for a specified period of time.

  • Blind spot monitor sensor LH

  • RCTA buzzer (blind spot monitor buzzer)

  • Harness or connector

WIRING DIAGRAM

B000WCIE09

CAUTION / NOTICE / HINT

Note


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

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

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 Slave > 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 (RCTA BUZZER [BLIND SPOT MONITOR BUZZER] - BATTERY AND BLIND SPOT MONITOR SENSOR LH)


    1. Disconnect the X52 RCTA buzzer (blind spot monitor buzzer) connector.

    2. Disconnect the X54 blind spot monitor sensor LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      X52-2 (BZN) - X54-3 (BUZ) Always Below 1 Ω
      X52-2 (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
      X52-1 (BZP) - Body ground Engine switch on (IG) 11 to 14 V
      X52-1 (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. Remove the RCTA buzzer (blind spot monitor buzzer) with a new or known good one.

      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.

      Click here


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

    OK

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

    NG

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here