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On-Vehicle Inspection

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT TURN SIGNAL FLASHER CIRCUIT 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 1: Identifying T10 Connector Terminals
      G03011790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      T10 CONNECTOR TERMINALS VOLTAGE SPECIFICATIONS

      Tester connection Condition Specified condition
      1 - body ground Turn ignition switch ON 10 to 14 V
      1 - body ground Turn ignition switch OFF Below 1 V
      4 - body ground Always 10 to 14 V
      7 - body ground Always Below 1 V
    2. Connect the connector to turn on the signal flasher and turn the ignition switch to the ON position. Inspect the wire harness side connector from the back according to the checks listed in the table below.

      Standard: 

      VOLTAGE SPECIFICATIONS

      Tester connection Condition Specified condition
      2 - body ground Hazard switch OFF --> ON 0V --> 10 to 14 V (60 to 120 time per minutes)
      2 - body ground Turn signal switch (right turn) OFF --> ON 0V --> 10 to 14 V (60 to 120 time per minutes)
      3 - body ground Hazard switch OFF --> ON 0V --> 10 to 14 V (60 to 120 time per minutes)
      3 - body ground Turn signal switch (left turn) OFF --> ON 0V --> 10 to 14 V (60 to 120 time per minutes)
      5 - body ground Turn signal switch (left turn) OFF --> ON 10 to 14 V --> 0 V
      6 - body ground Turn signal switch (right turn) OFF --> ON 10 to 14 V--> 0 V
      8 - body ground Hazard switch OFF --> ON 10 to 14 V --> 0 V
  2. INSPECT REAR COMBINATION LAMP ASSY LH 
    1. Connect the (+) lead from the voltmeter to terminal 1 and the (-) lead from the voltmeter to the terminal 2.
      2. Fig 2: Connecting (+) Lead From Voltmeter To Terminal 1 And (-) Lead From Voltmeter To Terminal 2
      G03011791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard: 

      REAR COMBINATION LAMP ASSY LH CONNECTOR TERMINALS VOLTAGE SPECIFICATIONS

      Tester connection Condition Specified condition
      1 - 2 Brake pedal released Below 1 V
      1 - 2 Brake pedal depressed 10 to 14 V
    3. Disconnect the rear combination lamp assy LH connector.
    4. Connect the (+) lead from the ohmmeter to the terminal 1 and the (-) lead from the ohmmeter to the terminal 2.
    5. Measure the resistance according to the value(s) in the chart below.

      Standard: 

      REAR COMBINATION LAMP ASSY LH CONNECTOR TERMINALS RESISTANCE SPECIFICATIONS

      Tester connection Condition Specified condition
      1 - 2 Always 314 to 347 -->
      Fig 3: Identifying S31 Connector Terminals
      G03011792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT REAR COMBINATION LAMP ASSY RH 
    1. Connect the (+) lead from the voltmeter to terminal 1 and the (-) lead from the voltmeter to the terminal 2.
    2. Measure the voltage according to the value(s) in the table below.

      Standard: 

      REAR COMBINATION LAMP ASSY RH CONNECTOR TERMINALS VOLTAGE SPECIFICATIONS

      Tester connection Condition Specified condition
      1 - 2 Brake pedal released Below 1 V
      1 - 2 Brake pedal depressed 10 to 14 V
      Fig 4: Connecting Voltmeter To Terminal 1 And 2 Of Connector
      G03011793Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the rear combination lamp assy RH connector.
    4. Connect the (+) lead from the ohmmeter to the terminal 1 and the (-) lead from the ohmmeter to the terminal 2.
    5. Measure the resistance according to the value(s) in the chart below.

      Standard: 

      REAR COMBINATION LAMP ASSY RH CONNECTOR TERMINALS RESISTANCE SPECIFICATIONS

      Tester connection Condition Specified condition
      1 - 2 Always 314 to 347 -->
      Fig 5: Identifying S32 Connector Terminals
      G03011794Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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