Home Vehicle Exterior Window/Glass REAR POWER WINDOW SWITCH
Last Modified: 11-27-2007 1.6 G
Service Category: Vehicle Exterior Section: Window/Glass
Model Year: 2008 Model: LX570 Doc ID: RM000002R1K00AX
Title: WINDOW / GLASS: REAR POWER WINDOW SWITCH: INSPECTION (2008 LX570)

INSPECTION

1. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY



(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

2 (UP) - 5 (GND)

Manual up operation

Below 1 Ω

10 (DOWN) - 5 (GND)

Manual down operation

Below 1 Ω

4 (AUTO) - 5 (GND)

Auto up/down operation

Below 1 Ω

If the result is not as specified, replace the rear power window regulator switch assembly.

(b) Check that the LED illuminates.

(1) Apply battery voltage to the regulator switch and check that the LED illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 8 (LED)

Battery negative (-) → 5 (GND)

LED illuminates

If the result is not as specified, replace the rear power window regulator switch assembly.