Power Window Master Switch: Inspection

INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

Check the resistance.

Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in Fig 1.

Standard Resistance: Driver switch

Fig 1: Identifying Power Window Regulator Master Switch Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

STANDARD RESISTANCE SPECIFICATIONS TABLE

Window Lock Switch Condition	Power Window Switch Condition	Tester Connection	Specified Condition
Always (ON/OFF)	UP	9 (B) - 3 (U) 1 (E) - 4 (D)	Below 1 Ω
Always (ON/OFF)	OFF	1 (E) - 3 (U) 1 (E) - 4 (D)	Below 1 Ω
Always (ON/OFF)	DOWN MANUAL	4 (D) - 9 (B) 1 (E) - 3 (U)	Below 1 Ω
Always (ON/OFF)	DOWN AUTO	4 (D) - 9 (B) 1 (E) - 3 (U)	Below 1 Ω

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

Standard Resistance: Passenger side switch

STANDARD RESISTANCE SPECIFICATIONS

Window Lock Switch Condition	Power Window Switch Condition	Tester Connection	Specified Condition
OFF	UP	9 (B) - 8 (U) 1 (E) - 10 (D)	Below 1 Ω
OFF	OFF	1 (E) - 8 (U) 1 (E) - 10 (D)	Below 1 Ω
OFF	DOWN	9 (B) - 10 (D) 1 (E) - 8 (U)	Below 1 Ω
ON	UP	9 (B) - 8 (U)	Below 1 Ω
ON	UP	1 (E) - 10 (D)	10 kΩ or higher
ON	OFF	8 (U) - 10 (D)	Below 1 Ω
ON	DOWN	9 (B) - 10 (D)	Below 1 Ω
ON	DOWN	1 (E) - 8 (U)	10 kΩ or higher

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

Check the illumination operation.

Apply battery voltage to the power window regulator master switch and check that the illumination comes on.

Standard

MEASUREMENT CONDITION AND SPECIFIED CONDITION

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 9 (B) Battery negative (-) → Terminal 1 (E)	Illumination comes on

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