Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT SLIDING ROOF DRIVE GEAR ASSEMBLY RH (ROOF DRIVE MOTOR RH OPERATION)

Fig 1: Inspecting Sliding Roof Drive Gear Assembly RH (Roof Drive Motor Rh Operation)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the sliding roof drive gear RH (see REMOVAL ).

Apply battery voltage to the drive gear terminals and check operation of the sliding roof drive gear RH.

MEASUREMENT CONDITION CHART

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 3	Turns clockwise
Battery positive (+) → Terminal 3 Battery negative (-) → Terminal 1	Turns counterclockwise

NG: REPLACE SLIDING ROOF DRIVE GEAR ASSEMBLY RH

OK: Go to next step

INSPECT LUGGAGE DOOR DRIVE GEAR ASSEMBLY RH (LUGGAGE DOOR DRIVE MOTOR RH)

Fig 2: Inspecting Luggage Door Drive Gear Assembly RH (Luggage Door Drive Motor RH)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the luggage door drive gear RH (see REMOVAL ).

Apply battery voltage to the drive gear terminals and check operation of the luggage door drive gear RH.

MEASUREMENT CONDITION CHART

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 3	Turns clockwise
Battery positive (+) → Terminal 3 Battery negative (-) → Terminal 1	Turns counterclockwise

NG: REPLACE LUGGAGE DOOR DRIVE GEAR ASSEMBLY RH

OK: Go to next step

INSPECT LUGGAGE CLOSER MOTOR ASSEMBLY (CLOSER MOTOR RH OPERATION)

Remove the luggage closer motor RH (see DISASSEMBLY ).

Apply battery voltage to the motor terminals and check operation of the luggage closer motor RH.

MEASUREMENT CONDITION CHART

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 2	Turns clockwise
Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Turns counterclockwise

Fig 3: Inspecting Luggage Closer Motor Assembly (Closer Motor RH Operation)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY

OK: Go to next step

CHECK WIRE HARNESS FOR SHORT CIRCUIT (ECU - SLIDING ROOF DRIVE GEAR RH)

Disconnect the S20 ECU connector.

Fig 4: Identifying S20 ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the R17 drive gear connector.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
S20-2 (RMR-) - S20-6 (RMR+)	10 kΩ or higher
S20-2 (RMR-) - Body ground	10 kΩ or higher
S20-6 (RMR+) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step

CHECK WIRE HARNESS FOR SHORT CIRCUIT (ECU - LUGGAGE DOOR DRIVE GEAR RH)

Disconnect the S20 ECU connector.

Fig 5: Identifying S20 ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the L18 drive gear connector.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
S20-4 (LMR-) - S20-5 (LMR+)	10 kΩ or higher
S20-4 (LMR-) - Body ground	10 kΩ or higher
S20-5 (LMR) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step

CHECK WIRE HARNESS FOR SHORT CIRCUIT (ECU - LUGGAGE CLOSER MOTOR RH)

Disconnect the S19 ECU connector.

Fig 6: Identifying S19 ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the L16 motor connector.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
S19-4 (LFR+) - S19-12 (LFR-)	10 kΩ or higher
S19-4 (LFR+) - Body ground	10 kΩ or higher
S19-12 (LFR-) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE SLIDING ROOF CONTROL ECU