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Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. READ VALUE OF INTELLIGENT TESTER (DOOR COURTESY LIGHT SWITCH) 
    1. Connect the intelligent tester (with CAN VIM) to the DLC3.
    2. Turn the ignition switch to the ON position and press the intelligent tester main switch ON.
    3. Select the items below in the DATA LIST, and read the displays on the intelligent tester.

      Main body ECU 

      MAIN BODY ECU DATA LIST REFERENCE

      Item Measurement Item/Display (Range) Normal Condition Diagnostic Note
      D DOR CTY SW Driver's door courtesy switch signal/ON or OFF ON: Driver side door is open
      OFF: Driver side door is closed      		 -
      P DOR CYT SW Passenger's door courtesy switch signal/ON or OFF ON: Front passenger side door is open
      OFF: Front passenger door is closed      		 -
      RR DOR CTY SW Rear door courtesy switch signal/ON or OFF ON: Rear right passenger side door is open
      OFF: Rear right passenger side door is closed      		 -
      RL DOR CTY SW Rear door courtesy switch signal/ON or OFF ON: Rear left passenger side door is open
      OFF: Rear left passenger side door is closed      		 -
      BK DOR CTY SW Back door courtesy switch signal/ON or OFF ON: Back door is open
      OFF: Back door is closed      		 -

      OK: Condition sign can be displayed. 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

    NG: Go TO NEXT STEP. 

  2. INSPECT COURTESY LIGHT SWITCH 
    1. Remove the door courtesy light switch.
    2. Measure the resistance of the switch.

      Standard resistance: 

      Front LH, Front RH, Rear LH, Rear RH, Back Door 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      1 - Body ground OFF 10 kΩ or higher
      ON Below 1 Ω
      Fig 1: Inspecting Courtesy Light Switch
      G04490784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE DOOR COURTESY LIGHT SWITCH 

    OK: Go TO NEXT STEP. 

  3. CHECK WIRE HARNESS (MAIN BODY ECU - COURTESY LIGHT SWITCH) 
    Fig 2: Locating IA, IC And ID Instrument Panel Junction Block Connectors
    G04490785Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect the courtesy light switch.
    2. Disconnect the IA, IC and ID instrument panel junction block connectors.
    3. Disconnect the E15 main body ECU connector.
    4. Measure the resistance of the wire harness side connectors.

      Standard resistance: 

      Front door LH 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      IA-21 (DCTY) - Body ground Front LH door is opened Below 1 Ω
      Front LH door is closed 10 kΩ or higher

      Front door RH 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      IC-14 (PCTY) - Body ground Front RH door is opened Below 1 Ω
      Front RH door is closed 10 kΩ or higher

      Rear door RH 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      ID-7 (RRCY) - Body ground Rear RH door is opened Below 1 Ω
      Rear RH door is closed 10 kΩ or higher

      Rear door LH 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      E15-8 (LCTY) - Body ground Rear LH door is opened Below 1 Ω
      Rear LH door is closed 10 kΩ or higher

      Back door 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      IA-7 (BCTY) - Body ground Back door is opened Below 1 Ω
      Back door is closed 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU) 

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