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STOP LIGHT SWITCH ON-VEHICLE INSPECTION

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PROCEDURE


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    INSPECT STOP LIGHT SWITCH ASSEMBLY


    1. A0006R4E03

      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) Power switch off 11 to 14 V
      A28-5 (B) - A28-3 (GND) Power switch on (IG) 11 to 14 V
      Standard Resistance
      Tester Connection Condition Specified Condition
      A28-3 (GND) - Body ground Always Below 1 Ω
      Table 1. Text in Illustration
      *a

      Front view of wire harness connector

      (to Stop Light Switch Assembly)

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

    3. A0005OFE03

      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) Power switch off, brake pedal not depressed Below 1 V
      A28-2 (L) - A28-3 (GND) Power switch off, brake pedal depressed 11 to 14 V
      A28-4 (L) - A28-3 (GND) Power switch on (IG), brake pedal not depressed 11 to 14 V
      A28-4 (L) - A28-3 (GND) Power switch on (IG), brake pedal depressed Below 1 V
      Table 2. Text in Illustration
      *a

      Component with harness connected

      (Stop Light Switch Assembly)

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