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 RH detects a ground short or open in rear cross traffic alert 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:


  • Blind spot monitor system is on with ignition switch ON.

  • 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

  • Rear cross traffic alert buzzer (blind spot monitor buzzer)

  • Harness or connector

WIRING DIAGRAM

A01V6W9E08

CAUTION / NOTICE / HINT

Note


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

      Click here


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

    No DTCs are output

    USE SIMULATION METHOD TO CHECK Click here

    DTCs are output

  2. CHECK HARNESS AND CONNECTOR (REAR CROSS TRAFFIC ALERT BUZZER - BATTERY AND BLIND SPOT MONITOR SENSOR RH)


    1. Disconnect the N34 rear cross traffic alert buzzer (blind spot monitor buzzer) connector.

    2. Disconnect the T1 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
      N34-2 (BZN) - T1-3 (BUZ) Always Below 1 Ω
      N34-2 (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
      N34-1 (BZP) - Body ground Ignition switch ON 11 to 14 V
      N34-1 (BZP) - Body ground Ignition 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.

      Click here


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

    No DTCs are output

    END (REAR CROSS TRAFFIC ALERT BUZZER [BLIND SPOT MONITOR BUZZER] IS DEFECTIVE)

    DTCs are output

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here