PARKING SUPPORT ALERT SYSTEM Buzzer does not Sound

WIRING DIAGRAM

B004T6TE97

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK FOR 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
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO DTC CHART Click here

    OK

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


    1. Disconnect the L55 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
      L55-1 (BZP) - Body ground Power switch on (IG) 11 to 14 V
      L55-2 (BZN) or L57-3 (BUZ) - Body ground Below 1 V
      L55-2 (BZN) - L55-1 (BZP) Below 1 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the L55 RCTA buzzer (blind spot monitor buzzer) connector.

    2. Disconnect the L57 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
      L55-2 (BZN) - L57-3 (BUZ) Always Below 1 Ω
      L55-2 (BZN) or L57-3 (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
      L55-2 (BZN) or L57-3 (BUZ) - Body ground Power switch on (IG) Below 1 V
      L55-1 (BZP) - Body ground Power switch on (IG) 11 to 14 V
      L55-1 (BZP) - Body ground Power switch off Below 1 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RCTA BUZZER (BLIND SPOT MONITOR BUZZER) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR