BLIND SPOT MONITOR SYSTEM Buzzer does not Sound

WIRING DIAGRAM

B006YUOE93

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 RCTA BUZZER (BLIND SPOT MONITOR BUZZER)


    1. Check that the RCTA buzzer (blind spot monitor buzzer) sounds when the initial check is performed.

      Click here

      OK
      RCTA buzzer sounds
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    NG

  2. 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

    NG

    GO TO DTC CHART Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (RCTA BUZZER - BLIND SPOT MONITOR SENSOR LH)


    1. Disconnect the R26 RCTA buzzer (blind spot monitor buzzer) connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      R26-1 (BZP) - Body ground Engine Switch on (IG) 11 to 14 V
      R26-2 (BZN) or W6-3 (BUZ) - Body ground Below 1 V
      R26-2 (BZN) - R26-1 (BZP) Below 1 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (RCTA BUZZER - BLIND SPOT MONITOR SENSOR LH AND BATTERY)


    1. Disconnect the R26 RCTA buzzer (blind spot monitor buzzer) connector.

    2. Disconnect the W6 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
      R26-2 (BZN) - W6-3 (BUZ) Always Below 1 Ω
      R26-2 (BZN) or W6-3 (BUZ) - 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
      R26-2 (BZN) or W6-3 (BUZ) - Body ground Engine switch on (IG) Below 1 V
      R26-1 (BZP) - Body ground Engine switch on (IG) 11 to 14 V
      R26-1 (BZP) - Body ground Engine switch off Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BLIND SPOT MONITOR BUZZER Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR