STOP LIGHT SWITCH ON-VEHICLE INSPECTION

PROCEDURE


  1. INSPECT STOP LIGHT SWITCH ASSEMBLY


    1. A01W3I4E02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Stop Light Switch Assembly)

      Disconnect the A28 connector from the stop light switch assembly.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      A28-1 (B) - A28-3 (GND) Always 11 to 14 V
      A28-5 (B) - A28-3 (GND) Engine switch on (IG) 11 to 14 V
      Standard Resistance
      Tester Connection Condition Specified Condition
      A28-3 (GND) - Body ground Always Below 1 Ω

      If the result is not as specified, repair or replace the wire harness or connector.

    3. A01W2JCE02
      Text in Illustration
      *a

      Component with harness connected

      (Stop Light Switch Assembly)

      Reconnect the A28 connector to the stop light switch assembly.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      A28-2 (L) - A28-3 (GND) Brake pedal not depressed Below 1 V
      A28-2 (L) - A28-3 (GND) Brake pedal depressed 11 to 14 V
      A28-4 (L) - A28-3 (GND) Engine switch on (IG), brake pedal not depressed 11 to 14 V
      A28-4 (L) - A28-3 (GND) Engine switch on (IG), brake pedal depressed Below 1 V

      If the result is not as specified, replace the stop light switch assembly.