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 LH (ROOF DRIVE MOTOR LH OPERATION)

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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

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 LH

OK: Go to next step

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

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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

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 LH

OK: Go to next step

INSPECT LUGGAGE CLOSER MOTOR ASSEMBLY (CLOSER MOTOR LH OPERATION)

Remove the luggage closer motor LH (see DISASSEMBLY ).

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

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 LH 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 LH)

Disconnect the S21 ECU connector.

Fig 4: Identifying S21 ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the R16 drive gear connector.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
S21-2 (RML+) - S21-6 (RML-)	10 kΩ or higher
S21-2 (RML+) - Body ground	10 kΩ or higher
S21-6 (RML-) - 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 LH)

Disconnect the S21 ECU connector.

Fig 5: Identifying S21 ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the L17 drive gear connector.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
S21-1 (LML+) - S21-5 (LML-)	10 kΩ or higher
S21-1 (LML+) - Body ground	10 kΩ or higher
S21-5 (LML-) - 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 LH)

Disconnect the S21 ECU connector.

Fig 6: Identifying S21 ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the L15 motor connector.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
S21-4 (LFL+) - S21-10 (LFL-)	10 kΩ or higher
S21-4 (LFL+) - Body ground	10 kΩ or higher
S21-10 (LFL-) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE SLIDING ROOF CONTROL ECU