Power Windows Inoperative - All. Pontiac Grand Prix 2007

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2007 🢒 Grand Prix 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Power Windows Inoperative - All

Test Description

The number below refers to the step number on the diagnostic table.

This step ensures that the power window master switch lockout signal circuit is not the cause of the malfunction. This circuit supplies battery positive voltage, through the rear window lockout switch, to the rear window switches, and is used to enable or disable the rear window lockout feature. When the rear window lockout feature is enabled, the circuit is open and no voltage is supplied to the rear window switches. When the feature is not enabled, the circuit is connected to battery positive voltage. If this circuit is shorted to ground when the lockout feature is not enabled, the PWR WDO circuit breaker may cycle continuously OFF/ON until, either the lockout switch is pressed to open the circuit, or the circuit breaker is permanently damaged. All windows may be partially or totally inoperative while the fault is present.

Step	Action	Yes	No
Schematic Reference: Moveable Window Schematics Connector End View Reference: Window Systems Connector End Views
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Verify that the all power windows inoperative fault is present. Do the power windows operate normally?	Go to Testing for Intermittent Conditions and Poor Connections	Go to Step 3
3	Disconnect the driver window switch C1 harness connector. Turn ON the ignition, with the engine OFF. Probe the accessory voltage circuit of the harness connector with a test lamp that is connected to a good ground. Does the test lamp illuminate?	Go to Step 4	Go to Step 5
4	Connect the test lamp between the accessory voltage circuit and the ground circuit of the harness connector. Does the test lamp illuminate?	Go to Step 6	Go to Step 8
5	Test the accessory voltage circuits of the driver window and front passenger window switches for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?	Go to Step 10	Go to Symptoms - Wiring Systems
6	Test the power window master switch lockout signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?	Go to Step 10	Go to Step 7
7	Inspect for poor connections at the harness connector of the driver window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 10	Go to Step 9
8	Repair the open in the ground circuit. Refer to Wiring Repairs . Did you complete the repair?	Go to Step 10	--
9	Replace the driver window switch. Did you complete the replacement?	Go to Step 10	--
10	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2