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Pinpoint Test A: All Power Windows Are Inoperative




Glass, Frames and Mechanisms

Pinpoint Tests


Pinpoint Test A: All Power Windows are Inoperative

Refer to wiring Diagram Set 100, Power Windows for schematic and connector information. Diagrams By Number

Normal Operation

Under normal operation, the driver window control switch is supplied voltage through circuit CPW30 (GY/YE). Ground for the switch is provided through circuit GD175 (BK/BU).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Driver window control switch



PINPOINT TEST A: ALL POWER WINDOWS ARE INOPERATIVE

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A1 VERIFY THE PASSENGER WINDOW OPERATES FROM THE PASSENGER WINDOW CONTROL SWITCH


- Ignition ON.
- Attempt to operate the passenger power window from the passenger window control switch.
- Does the passenger power window operate?

Yes
Go To Pinpoint Test B to diagnose the inoperative driver window. Pinpoint Test B: A Single Power Window Is Inoperative - Driver Power Window

No
GO to A2.

-------------------------------------------------
A2 CHECK THE VOLTAGE TO THE DRIVER WINDOW CONTROL SWITCH


- Ignition OFF.
- Disconnect: Driver Window Control Switch C504.
- Ignition ON.
- Measure the voltage between driver window control switch C504-7, circuit CPW30 (GY/YE) harness side and ground.




- Is the voltage greater than 10 volts?

Yes
GO to A3.

No
Go To Pinpoint Test D to diagnose the delayed accessory relay circuit. Pinpoint Test D: The Delayed Accessory Is Inoperative

-------------------------------------------------
A3 CHECK THE GROUND TO THE DRIVER WINDOW CONTROL SWITCH


- Ignition OFF.
- Measure the resistance between driver window control switch C504-2, circuit GD175 (BK/BU) harness side and ground.




- Is the resistance less than 5 ohms?

Yes
INSTALL a new driver window control switch. TEST the system for normal operation.

No
REPAIR circuit GD175 (BK/BU) for an open. TEST the system for normal operation.

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