Rear Combination Light Assembly On-Vehicle Inspection

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Lighting. Lexus Is250, Is220D. Gse20 Ale20

  1. INSPECT REAR OUTER COMBINATION LIGHT ASSEMBLY

  2. INSPECT REAR INNER COMBINATION LIGHT ASSEMBLY

Rear Combination Light Assembly -- On-Vehicle Inspection



1. INSPECT REAR OUTER COMBINATION LIGHT ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.Lighting.Lighting System.Rear Combination Light Assembly  On-Vehicle Inspection
  1. Disconnect the connector from the rear outer combination light.

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

    Standard voltage:
    LH Side:
    Tester Connection
    Condition
    Specified Condition
    Q50-2 (STP) - Q50-6 (E)
    Brake pedal released
    Below 1 V
    Q50-2 (STP) - Q50-6 (E)
    Brake pedal depressed
    10 to 14 V
    Q50-3 (TL) - Q50-6 (E)
    Dimmer switch ON
    10 to 14 V
    Q50-3 (TL) - Q50-6 (E)
    Dimmer switch OFF
    Below 1 V
    RH Side:
    Tester Connection
    Condition
    Specified Condition
    Q51-2 (STP) - Q51-6 (E)
    Brake pedal released
    Below 1 V
    Q51-2 (STP) - Q51-6 (E)
    Brake pedal depressed
    10 to 14 V
    Q51-3 (TL) - Q51-6 (E)
    Dimmer switch ON
    10 to 14 V
    Q51-3 (TL) - Q51-6 (E)
    Dimmer switch OFF
    Below 1 V
    If the result is not as specified, repair or replace the wire harness or connector.


2. INSPECT REAR INNER COMBINATION LIGHT ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.Lighting.Lighting System.Rear Combination Light Assembly  On-Vehicle Inspection
  1. Disconnect the connector from the rear inner combination light.

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

    Standard voltage:
    LH Side:
    Tester Connection
    Condition
    Specified Condition
    Q40-1 - Q40-3
    Dimmer switch ON
    10 to 14 V
    Q40-1 - Q40-3
    Dimmer switch OFF
    Below 1 V
    RH Side:
    Tester Connection
    Condition
    Specified Condition
    Q46-1 - Q46-3
    Dimmer switch ON
    10 to 14 V
    Q46-1 - Q46-3
    Dimmer switch OFF
    Below 1 V
    If the result is not as specified, repair or replace the wire harness or connector.