Power Window Master Switch: Inspection

WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

Measure the resistance of the switch when the switch is operated.

Fig 1: Identifying Power Window Regulator Master Switch Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance:

Driver switch

TERMINALS RESISTANCE SPECIFICATION (DRIVER SWITCH)

Tester Connection	Window Lock Switch Condition	Power Window Switch Condition	Specified Condition
1 (E) - 9 (DD)	Always (ON / OFF)	UP	Below 1 Ω
4 (DU) - 7 (BW)	Always (ON / OFF)	UP	Below 1 Ω
1 (E) - 9 (DD)	Always (ON / OFF)	AUTO UP	Below 1 Ω
4 (DU) - 7 (BW)	Always (ON / OFF)	AUTO UP	Below 1 Ω
1 (E) - 4 (DU)	Always (ON / OFF)	OFF	Below 1 Ω
1 (E) - 9 (DD)	Always (ON / OFF)	OFF	Below 1 Ω
1 (E) - 4 (DU)	Always (ON / OFF)	DOWN	Below 1 Ω
7 (BW) - 9 (DD)	Always (ON / OFF)	DOWN	Below 1 Ω
1 (E) - 4 (DU)	Always (ON / OFF)	AUTO DOWN	Below 1 Ω
7 (BW) - 9 (DD)	Always (ON / OFF)	AUTO DOWN	Below 1 Ω

Passenger switch

TERMINALS RESISTANCE SPECIFICATION (PASSENGER SWITCH)

Tester Connection	Window Lock Switch Condition	Power Window Switch Condition	Specified Condition
1 (E) - 15 (PD)	OFF	UP	Below 1 Ω
6 (B) - 13 (PU)	OFF	UP	Below 1 Ω
1 (E) - 13 (PU)	OFF	OFF	Below 1 Ω
1 (E) - 15 (PD)	OFF	OFF	Below 1 Ω
1 (E) - 13 (PU)	OFF	DOWN	Below 1 Ω
6 (B) - 15 (PD)	OFF	DOWN	Below 1 Ω
1 (E) - 15 (PD)	ON	UP	10 kΩ or higher
6 (B) - 13 (PU)	ON	UP	Below 1 Ω
13 (PU) - 15 (PD)	ON	OFF	Below 1 Ω
1 (E) - 13 (PU)	ON	DOWN	10 kΩ or higher
6 (B) - 15 (PD)	ON	DOWN	Below 1 Ω

Rear LH switch

TERMINALS RESISTANCE SPECIFICATION (REAR LH SWITCH)

Tester Connection	Window Lock Switch Condition	Power Window Switch Condition	Specified Condition
1 (E) - 10 (RLD)	OFF	UP	Below 1 Ω
6 (B) - 12 (RLU)	OFF	UP	Below 1 Ω
1 (E) - 12 (RLU)	OFF	OFF	Below 1 Ω
1 (E) - 10 (RLD)	OFF	OFF	Below 1 Ω
1 (E) - 12 (RLU)	OFF	DOWN	Below 1 Ω
6 (B) - 10 (RLD)	OFF	DOWN	Below 1 Ω
1 (E) - 10 (RLD)	ON	UP	10 kΩ or higher
6 (B) - 12 (RLU)	ON	UP	Below 1 Ω
12 (RLU) - 10 (RLD)	ON	OFF	Below 1 Ω
1 (E) - 12 (RLU)	ON	DOWN	10 kΩ or higher
6 (B) - 10 (RLD)	ON	DOWN	Below 1 Ω

Rear RH switch

TERMINALS RESISTANCE SPECIFICATION (REAR RH SWITCH)

Tester Connection	Window Lock Switch Condition	Power Window Switch Condition	Specified Condition
1 (E) - 16 (RRD)	OFF	UP	Below 1 Ω
6 (B) - 18 (RRU)	OFF	UP	Below 1 Ω
1 (E) - 18 (RRU)	OFF	OFF	Below 1 Ω
1 (E) - 16 (RRD)	OFF	OFF	Below 1 Ω
1 (E) - 18 (RRU)	OFF	DOWN	Below 1 Ω
6 (B) - 16 (RRD)	OFF	DOWN	Below 1 Ω
1 (E) - 16 (RRD)	ON	UP	10 kΩ or higher
6 (B) - 18 (RRU)	ON	UP	Below 1 Ω
18 (RRU) - 16 (RRD)	ON	OFF	Below 1 Ω
1 (E) - 18 (RRU)	ON	DOWN	10 kΩ or higher
6 (B) - 16 (RRD)	ON	DOWN	Below 1 Ω

If the result is not as specified, replace the master switch assembly.

Apply battery voltage to the master switch and check that the AUTO light illuminates.

Fig 2: Identifying AUTO Light Illumination Switch

MEASUREMENT CONDITION AND SPECIFIED CONDITION

Measurement Condition	Specified Condition
Battery positive (+) --> Terminal 11 (BDR) Battery negative (-) --> Terminal 1(E)	AUTO light illuminates

If the result is not as specified, replace the master switch assembly.