Section 397 (Sliding Roof System): Inspection

WARNING: This page is about a different car, the 2004 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT ROOF CONSOLE BOX SUB-ASSY

Remove the sliding roof motor switch (See REPLACEMENT ).
Check the continuity between the terminals when operating the switch.

Standard:

TERMINAL CHART

Terminals No.	Switch Operation	Specified Condition
1 <=> 3	TILT UP is pressed	Continuity
2 <=> 3	SLIDE OPEN is pressed	Continuity
1, 2 <=> 3	OFF	No continuity

Fig 1: Identifying Sliding Roof Motor Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the switch assy.

INSPECT HARNESS AND CONNECTOR (FOR SLIDING ROOF MOTOR ASSY)

Disconnect the sliding roof motor connector (See REPLACEMENT ).
Check the continuity or voltage between the terminals of the wire harness side connector.

Standard:

TERMINAL CHART

Terminals No.	Condition	Specified Condition
8 <=> Body ground	Constant	Continuity
9 <=> 8	Ignition switch ON	10 - 14 V
10 <=> 8	Constant	10 - 14 V
1 <=> 8	Constant	Continuity
7 <=> 8	TILT UP is pressed	Continuity
6 <=> 8	SLIDE OPEN is pressed	Continuity

Fig 2: Identifying Harness Connector Terminal

If the result is not as specified, there may be a malfunction on the wire harness side.