Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VK6Q
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: WINDOW / GLASS: REAR POWER WINDOW SWITCH: INSPECTION; 2016 - 2020 MY Sienna [12/2015 -        ]

INSPECTION

PROCEDURE

1. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH Side)

(a) Check the resistance.

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

Text in Illustration

*a

Component without harness connected

(Rear Power Window Regulator Switch Assembly)

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

5 (UP) - 7 (GND)

Auto up or up position

Below 7 Ω

4 (DOWN) - 7 (GND)

Auto down or down position

Below 7 Ω

8 (AUTO) - 7 (GND)

Auto up or auto down position

Below 7 Ω

5 (UP) - 7 (GND)

Free

70 kΩ or higher

4 (DOWN) - 7 (GND)

Free

70 kΩ or higher

8 (AUTO) - 7 (GND)

Free

70 kΩ or higher

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 rear power window regulator switch assembly and check that the LED illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 3 (ILL+)

Battery negative (-) → 1 (ILL-)

LED illuminates

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

2. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for RH Side)

(a) Check the resistance.

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

Text in Illustration

*a

Component without harness connected

(Rear Power Window Regulator Switch Assembly)

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

5 (UP) - 7 (GND)

Auto up or up position

Below 7 Ω

4 (DOWN) - 7 (GND)

Auto down or down position

Below 7 Ω

8 (AUTO) - 7 (GND)

Auto up or auto down position

Below 7 Ω

5 (UP) - 7 (GND)

Free

70 kΩ or higher

4 (DOWN) - 7 (GND)

Free

70 kΩ or higher

8 (AUTO) - 7 (GND)

Free

70 kΩ or higher

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 rear power window regulator switch assembly and check that the LED illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 3 (ILL+)

Battery negative (-) → 1 (ILL-)

LED illuminates

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