Lexus IS250 · Service Manual BODY ELECTRICAL

ON-VEHICLE INSPECTION

Inspection


INSPECT HIGH MOUNTED STOP LIGHT ASSEMBLY

  1. B109979E03
    Disconnect the Q25 connector.

  1. Measure the voltage of the connector.

    Standard voltage:
    Tester Connection
    		 Condition
    		 Specified Condition
    Q25-1 - Q25-2
    		 Brake pedal released
    		 Below 1 V
    Q25-1 - Q25-2
    		 Brake pedal depressed
    		 10 to 14 V

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

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