Power Window Master Switch: Inspection

INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

Measure the resistance of the power switch.

Fig 1: Identifying Power Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance:

for Front driver switch

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Power Window Switch Condition	Specified Condition
H2-1 (E) - H2-4 (A) - H2-8 (U) H2-5 (D) - H2-6 (B)	AUTO UP	Below 1 Ω
H2-1 (E) - H2-8 (U) H2-5 (D) - H2-6 (B)	UP	Below 1 Ω
H2-5 (D) - H2-6 (B) - H2-8 (U)	OFF	Below 1 Ω
H2-1 (E) - H2-5 (D) H2-6 (B) - H2-8 (U)	DOWN	Below 1 Ω
H2-1 (E) - H2-4 (A) - H2-5 (D) H2-6 (B) - H2-8 (U)	AUTO DOWN	Below 1 Ω

for Front passenger switch

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Window Lock Switch Condition	Power Window Switch Condition	Specified Condition
H2-1 (E) - H2-15 (D) H2-6 (B) - H2 - 16 (U)	OFF	UP	Below 1 Ω
H2-1 (E) - H2-16 (U) H2-1 (E) - H2-15 (D)	OFF	OFF	Below 1 Ω
H2-1 (E) - H2-16 (U) H2-6(B) - H2-15 (D)	OFF	DOWN	Below 1 Ω
H2-1 (E) - H2-15 (D)	ON	UP	10 kΩ or higher
H2-6(B) - H2-16 (U)	ON	UP	Below 1 Ω
H2-16 (U) - H2-15 (D)	ON	OFF	Below 1 Ω
H2-1 (E) - H2-16 (U)	ON	DOWN	10 kΩ or higher
H2-6 (B) - H2-15 (D)	ON	DOWN	Below 1 Ω

for Rear LH switch

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Window Lock Switch Condition	Power Window Switch Condition	Specified Condition
H2-1 (E) - H2-13 (D) H2-6(B) - H2-12 (U)	OFF	UP	Below 1 Ω
H2-1 (E) - H2-12 (U) H2-1 (E) - H2-13 (D)	OFF	OFF	Below 1 Ω
H2-1 (E) - H2-12 (U) H2-6 (B) - H2-13 (D)	OFF	DOWN	Below 1 Ω
H2-1 (E) - H2-13 (D)	ON	UP	10 kΩ or higher
H2-6 (B) - H2-12 (U)	ON	UP	Below 1 Ω
H2-12 (U) - H2-13 (D)	ON	OFF	Below 1 Ω
H2-1 (E) - H2-12 (U)	ON	DOWN	10 kΩ or higher
H2-6 (B) - H2-13 (D)	ON	DOWN	Below 1 Ω

for Rear RH switch

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Window Lock Switch Condition	Power Window Switch Condition	Specified Condition
H2-1 (E) - H2-18 (D) H2-6 (B) - H2-10 (U)	OFF	UP	Below 1 Ω
H2-1 (E) - H2-10 (U) H2-1 (E) - H2-18 (D)	OFF	OFF	Below 1 Ω
H2-1 (E) - H2-10 (U) H2-6 (B) - H2-18 (D)	OFF	DOWN	Below 1 Ω
H2-1 (E) - H2-18 (D)	ON	UP	10 kΩ or higher
H2-6 (B) - H2-10 (U)	ON	UP	Below 1 Ω
H2-10 (U) - H2-18 (D)	ON	OFF	Below 1 Ω
H2-1 (E) - H2-10 (U)	ON	DOWN	10 kΩ or higher
H2-6 (B) - H2-18 (D)	ON	DOWN	Below 1 Ω

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

Fig 2: Identifying Master Switch Connector Terminals

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

MEASUREMENT SPECIFIED CONDITION

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 3 (LED) Battery negative (-) → Terminal 1 (E)	AUTO light illuminates

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

Fig 3: Identifying Front Passenger Side Power Window Switch Connector Terminals