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Home › Lexus › 2010 › ES 350 › Repair and Diagnosis › External Pages › Different car › Section 106 (Sliding Roof) › Sliding Roof System › Sliding Roof Control Switch Circuit › Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER (SLIDING ROOF OPERATION) 
    1. Select the ACTIVE TEST, use the intelligent tester to generate a control command, and then check that the sliding roof slides open/close and tilts up/down.

      SLIDE ROOF 

      SLIDE ROOF SPECIFICATION

      Tester Display Test Part Control Range Diagnostic Note
      SLIDE ROOF Operate sliding roof SLIDE CLOSE/TILT UP CLOS/UP: Sliding roof SLIDE CLOSE or TILT UP operation occurs
      OFF: Sliding roof is not operating      		 -
      SLIDE ROOF Operate sliding roof SLIDE OPEN/TILT DOWN OPN/DWN: Sliding roof SLIDE OPEN or TILT DOWN operation occurs
      OFF: Sliding roof is not operating      		 -

      OK: 

      Sliding roof operates normally. 

    NG: REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU) 

    OK: Go to Next Step 

  2. READ VALUE OF INTELLIGENT TESTER (SLIDING ROOF SWITCH) 
    1. Use the DATA LIST to check if the sliding roof switch is functioning properly.

      SLIDE ROOF 

      SLIDE ROOF SPECIFICATION

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      OPEN SW Slide switch open signal/ON or OFF ON: OPEN switch is pressed.
      OFF: OPEN switch is not pressed.      		 -
      CLOSE SW Slide switch close signal/ON or OFF ON: CLOSE switch is pressed.
      OFF: CLOSE switch is not pressed.      		 -
      UP SW Tilt switch up signal/ON or OFF ON: UP switch is pressed.
      OFF: UP switch is not pressed.      		 -
      DOWN SW Tilt switch down signal/ON or OFF ON: DOWN switch is pressed.
      OFF: DOWN switch is not pressed.      		 -

      OK: 

      The intelligent tester displays as shown in the table according to the operation of each switch. 

    OK: REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU) 

    NG: Go to Next Step 

  3. CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - ROOF CONSOLE BOX ASSEMBLY) 
    1. Disconnect the Q7 and Q2 connectors.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      WIRE HARNESS (SLIDING ROOF CONTROL ECU - ROOF CONSOLE BOX ASSEMBLY)

      Tester Connection Condition Specified Condition
      Q7-2 (E) - Q2-5 (GND3) Always Below 1 Ω
      Q7-7 (OPN) - Q2-3 (OPN) Always Below 1 Ω
      Q7-8 (DWN) - Q2-2 (DOWN) Always Below 1 Ω
      Q7-9 (CLS) - Q2-1 (CLS) Always Below 1 Ω
      Q7-10 (UP) - Q2-4 (UP) Always Below 1 Ω
      Q2-1 (CLS) - Body ground Always 10 kΩ or higher
      Q2-2 (DOWN) - Body ground Always 10 kΩ or higher
      Q2-3 (OPN) - Body ground Always 10 kΩ or higher
      Q2-4 (UP) - Body ground Always 10 kΩ or higher
      Q2-5 (GND3) - Body ground Always Below 1 Ω
      Fig 1: Identifying Q7 And Q2 Connector Terminals
      G05254725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH) 

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