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On-Vehicle Inspection

  1. INSPECT REAR COMBINATION LIGHT ASSEMBLY 
    1. Disconnect the connectors from the rear combination light assembly.
      Fig 1: Identifying Rear Combination Light Assembly Connectors
      GTY180835Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage

      LH Side 

      RH Side 

      Tester Connection Condition Specified Condition
      O29-1 - O29-2 Light control switch OFF Below 1 V
      Light control switch in TAIL 11 to 14 V
      O29-1 - O29-3 Brake pedal released Below 1 V
      Brake pedal depressed 11 to 14 V
      O27-1 - O27-2 Turn signal switch OFF Below 1 V
      Ignition switch on (IG) and Turn signal switch in LH 11 to 14 V (60 to 120 times per minute)
      O13-1 - O13-2 Shift lever not in R Below 1 V
      Shift lever in R 11 to 14 V
      Tester Connection Condition Specified Condition
      O30-1 - O30-2 Light control switch OFF Below 1 V
      Light control switch in TAIL 11 to 14 V
      O30-1 - O30-3 Brake pedal released Below 1 V
      Brake pedal depressed 11 to 14 V
      O28-1 - O28-2 Turn signal switch OFF Below 1 V
      Ignition switch on (IG) and Turn signal switch in LH 11 to 14 V (60 to 120 times per minute)
      O14-1 - O14-2 Shift lever not in R Below 1 V
      Shift lever in R 11 to 14 V

      If the result is not as specified, there is a malfunction on the wire harness side.

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