Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2009 Scion xB AutomaticFACTORY OEM SERVICE PROCEDURE

Power Window Master Switch: Inspection

INSPECT POWER WINDOW MASTER SWITCH

Check the resistance.

Fig 1: Identifying Power Window Master Switch Connector Terminals

G05391259

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard resistance:

Driver switch

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Window Lock Switch Condition	Power Window Switch Condition	Specified Condition
3 (U) - 6 (B) 1 (E) - 4 (D)	Always (ON/OFF)	UP	Below 1 Ω
1 (E) - 3 (U) 1 (E) - 4 (D)	Always (ON/OFF)	OFF	Below 1 Ω
4 (D) - 6 (B) 1 (E) - 3 (U)	Always (ON/OFF)	DOWN MANUAL	Below 1 Ω
1 (E) - 3 (U) 4 (D) - 6 (B)	Always (ON/OFF)	DOWN AUTO	Below 1 Ω

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

Standard resistance:

Front passenger side switch

TESTER CONNECTION SPECIFIED CONDITION CHART

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

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

Standard resistance:

Rear LH side switch

TESTER CONNECTION SPECIFIED CONDITION CHART

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

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

Standard resistance:

Rear RH side switch

TESTER CONNECTION SPECIFIED CONDITION CHART

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

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

Check the illumination operation.

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

OK

POWER WINDOW MASTER SWITCH REFERENCE CHART

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 6 (B) Battery negative (-) → Terminal 1 (E)	Illumination come on

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

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.