Power Window Master Switch: Inspection

INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

Measure the resistance between each terminal of the connector when the switch is operated.

Fig 1: Inspecting Power Window Regulator Master Switch Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance:

Driver switch

TESTER CONNECTION SPECIFIED CONDITION

Window Lock Switch Condition	Power Window Switch Condition	Tester Connection	Specified Condition
Always (ON / OFF)	UP	1 (E) - 9 (DD) 3 (E) - 9 (DD) 4 (DU) - 6 (B) 4 (DU) - 7 (B)	Below 1 Ω
Always (ON / OFF)	OFF	1 (E) - 4 (DU) 3 (E) - 4 (DU) 1 (E) - 9 (DD) 3 (E) - 9 (DD)	Below 1 Ω
Always (ON / OFF)	DOWN	1 (E) - 4 (DU) 3 (E) - 4 (DU) 6 (B) - 9 (DD) 7 (B) - 9 (DD)	Below 1 Ω
Always (ON / OFF)	AUTO DOWN	1 (E) - 4 (DU) 3 (E) - 4 (DU) 6 (B) - 9 (DD) 7 (B) - 9 (DD)	Below 1 Ω

Front passenger switch

TESTER CONNECTION SPECIFIED CONDITION

Window Lock Switch Condition	Power Window Switch Condition	Tester Connection	Specified Condition
OFF	UP	1 (E) - 15 (PD) 3 (E) - 15 (PD) 6 (B) - 18 (PU) 7 (B) - 18 (PU)	Below 1 Ω
OFF	OFF	1 (E) - 15 (PD) 3 (E) - 15 (PD) 1 (E) - 18 (PU) 3 (E) - 18 (PU)	Below 1 Ω
OFF	DOWN	1 (E) - 18 (PU) 3 (E) - 18 (PU) 6 (B) - 15 (PD) 7 (B) - 15 (PD)	Below 1 Ω
ON	UP	6 (B) - 18 (PU) 7 (B) - 18 (PU)	Below 1 Ω
ON	OFF	15 (PD) - 18 (PU)	Below 1 Ω
ON	DOWN	6 (B) - 15 (PD) 7 (B) - 15 (PD)	Below 1 Ω

Rear LH switch

TESTER CONNECTION SPECIFIED CONDITION

Window Lock Switch Condition	Power Window Switch Condition	Tester Connection	Specified Condition
OFF	UP	1 (E) - 13 (RLD) 3 (E) - 13 (RLD) 6 (B) - 12 (RLU) 7 (B) - 12 (RLU)	Below 1 Ω
OFF	OFF	1 (E) - 12 (RLU) 3 (E) - 12 (RLU) 1 (E) - 13 (RLD) 3 (E) - 13 (RLD)	Below 1 Ω
OFF	DOWN	1 (E) - 12 (RLU) 3 (E) - 12 (RLU) 6 (B) - 13 (RLD) 7 (B) - 13 (RLD)	Below 1 Ω
ON	UP	6 (B) - 12 (RLU) 7 (B) - 12 (RLU)	Below 1 Ω
ON	OFF	12 (RLU) - 13 (RLD)	Below 1 Ω
ON	DOWN	6 (B) - 13 (RLD) 7 (B) - 13 (RLD)	Below 1 Ω

Rear RH switch

TESTER CONNECTION SPECIFIED CONDITION

Window Lock Switch Condition	Power Window Switch Condition	Tester Connection	Specified Condition
OFF	UP	1 (E) - 16 (RRD) 3 (E) - 16 (RRD) 6 (B) - 10 (RRU) 7 (B) - 10 (RRU)	Below 1 Ω
OFF	OFF	1 (E) - 10 (RRU) 3 (E) - 10 (RRU) 1 (E) - 16 (RRD) 3 (E) - 16 (RRD)	Below 1 Ω
OFF	DOWN	1 (E) - 10 (RRU) 3 (E) - 10 (RRU) 6 (B) - 16 (RRD) 7 (B) - 16 (RRD)	Below 1 Ω
ON	UP	6 (B) - 10 (RRU) 7 (B) - 10 (RRU)	Below 1 Ω
ON	OFF	10 (RRU) - 16 (RRD)	Below 1 Ω
ON	DOWN	6 (B) - 16 (RRD) 7 (B) - 16 (RRD)	Below 1 Ω

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

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

MEASUREMENT SPECIFIED CONDITION

Measurement Condition	Specified Condition
Battery positive (+) --> Terminal 6 (B) Battery negative (-) --> Terminal 3 (E)	AUTO light illuminates

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

Fig 2: Applying Battery Voltage To Master Switch Terminals