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.
- INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)
- Check that the sliding roof drive gear sub-assembly can be initialized (See INITIALIZATION
).
OK:
Sliding roof drive gear sub-assembly can be initialized.
NG: Go to step 3
OK: Go to Next Step
- Check that the sliding roof drive gear sub-assembly can be initialized (See INITIALIZATION
).
- CHECK SLIDING ROOF FUNCTION
- Check the auto operation with the OPEN, CLOSE, UP and DOWN switches (See DIAGNOSTIC TROUBLE CODE CHART
).
OK:
Auto operation operates normally with OPEN, CLOSE, UP and DOWN switches.
NG: REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)
OK: END
- Check the auto operation with the OPEN, CLOSE, UP and DOWN switches (See DIAGNOSTIC TROUBLE CODE CHART
).
- CHECK WIRE HARNESS (SLIDING ROOF DRIVE GEAR - OVERHEAD JUNCTION BLOCK)
- Disconnect the Q7 and Q2 connectors.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
WIRE HARNESS (SLIDING ROOF DRIVE GEAR - OVERHEAD JUNCTION BLOCK)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
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to Next Step
- INSPECT ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)
- Remove the roof console box assembly.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)Tester Connection Switch Position Specified Condition Q2-1 (CLS) - Q2-5 (GND3) CLOSE Below 100 Ω Q2-2 (DOWN) - Q2-5 (GND3) DOWN Below 100 Ω Q2-3 (OPN) - Q2-5 (GND3) OPEN Below 100 Ω Q2-4 (UP) - Q2-5 (GND3) UP Below 100 Ω Q2-1 (CLS) - Q2-5 (GND3) OPEN 1 kΩ or higher Q2-2 (DOWN) - Q2-5 (GND3) CLOSE 1 kΩ or higher Q2-3 (OPN) - Q2-5 (GND3) UP 1 kΩ or higher Q2-4 (UP) - Q2-5 (GND3) DOWN 1 kΩ or higher
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NG: REPLACE ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)
OK: REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)