High Mounted Stop Light Assembly - On-Vehicle Inspection

Lexus IS250 IS220d GSE20 ALE20 - LIGHTING

HIGH MOUNTED STOP LIGHT ASSEMBLY - ON-VEHICLE INSPECTION

1. INSPECT HIGH MOUNTED STOP LIGHT ASSEMBLY
High Mounted Stop Light Assembly - On-Vehicle Inspection. LIGHTING. Lexus IS250 IS220d GSE20 ALE20

Disconnect the Q25 connector.

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

  • Standard voltage:
  • Tester ConnectionConditionSpecified Condition
    Q25-1 - Q25-2Brake pedal releasedBelow 1 V
    Q25-1 - Q25-2Brake pedal depressed10 to 14 V

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