For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Window Schematics Connector End View Reference: Power Door Systems Connector End Views
1 | Did you perform the Door Systems Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Door Systems
2 | Operate all power windows from all power window switches. Did all the power windows operate from all power window switches correctly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3
3 | Did any power window operate from any power window switch? | Go to Symptoms - Doors | Go to Step 4
4 |

1. Remove the power window relay.
2. Connect a test lamp to a good ground.
3. Probe the power window relay battery positive voltage circuit at the power window relay harness connector.

Does the test lamp illuminate?

Go to Step 5

Go to Step 9

5 |

1. Turn ON the ignition, with the engine OFF.
2. Connect a test lamp to a good ground.
3. Probe the power window relay accessory voltage control circuit at the power window relay harness connector.

Does the test lamp illuminate?

Go to Step 6

Go to Step 10

6 | With the ignition still ON, connect the test lamp between the power window relay accessory voltage control circuit and the power window relay ground circuit at the relay connector. Does the test lamp illuminate? | Go to Step 7 | Go to Step 11
7 |

1. Connect a fused jumper harness between the power window relay battery positive voltage circuit and power window switch accessory voltage circuit.
2. Operate the power windows from the power window switches.

Did the power windows operate?

Go to Step 8

Go to Step 9

8 | Inspect for a poor connections at the power window relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 12
9 | Repair the open or short to ground in the power window relay battery positive voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | --
10 | Repair the open or short to ground in the power window relay accessory voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | --
11 | Repair the open in the power window relay ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | --
12 | Replace the power window relay. Is the repair complete? | Go to Step 13 | --
13 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2