For 1990-2009 cars

## Power Windows Inoperative - One Front Power Windows

### Test Description

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

1. The rear passenger power window switches on the master switch share common accessory voltage and ground circuits with the front windows. If the rear passenger power windows operate properly from the master switch the accessory voltage and ground circuits can be presumed good.

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Window Schematics Connector End View Reference: Power Door Systems Connector End Views
1 | Did you review the Power Windows Description and Operation? | Go to Step 2 | Go to Symptoms - Doors
2 |

1. Turn ON the ignition, with the engine OFF.
2. Operate the front power windows from the front power window switch.

Do the front power windows operate properly?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3 | Operate the rear passenger windows from the front power window switch. Do the rear passenger windows operate properly? | Go to Step 4 | Go to Power Windows Inoperative - All
4 |

1. Disconnect the inoperative front power window motor.
2. Connect a test lamp to a good ground.
3. Probe the power window motor up circuit at the power window motor harness connector.
4. Activate the power window switch in the up direction.

Does the test lamp illuminate?

Go to Step 5

Go to Step 7

5 |

1. With the test lamp still connected to a good ground, prove the power window motor down circuit at the power window motor harness connector.
2. Activate the power window switch in the down direction.

Does the test lamp illuminate?

Go to Step 6

Go to Step 8

6 |

1. Connect a test lamp between the power window motor up and down circuits at the power window motor harness connector.
2. Activate the power window switch in the up and down directions.

Does the test lamp illuminate in both directions?

Go to Step 10

Go to Step 9

7 | Test the power window motor up circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 9
8 | Test the power window motor down circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 10
9 | Inspect for poor connections at the front power window switch. 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 11
10 | Inspect for poor connections at the power window motor. 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
11 | Replace the power window master switch. Refer to Front Side Door Window Switch Replacement . Did you complete the repair? | Go to Step 13 | --
12 | Replace the power window motor. Did you complete the repair? | 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

## Power Windows Inoperative - One Rear Power Windows

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Window Schematics Connector End View Reference: Power Door Systems Connector End Views
1 | Did you review the Power Window Description and Operation? | Go to Step 2 | Go to Symptoms - Doors
2 |

1. Turn ON the ignition, with the engine OFF.
2. Turn OFF the window lockout switch.
3. Operate the rear passenger windows up and down from both the rear passenger window switch and the master window switch.

Do the rear passenger windows operate properly from both switches?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3 | Does the rear passenger window operate from the master window switch and not the rear passenger window switch? | Go to Step 5 | Go to Step 4
4 | Does the rear passenger window operate from the rear passenger window switch and not the master window switch? | Go to Step 6 | Go to Step 7
5 |

1. Disconnect the passenger power window switch.
2. Connect a test lamp between the window lockout control circuit at the passenger power window switch harness connector and a good ground.

Does the test lamp illuminate?

Go to Step 17

Go to Step 12

6 | Does the driver window operate from the master switch? | Go to Step 20 | Go to Power Windows Inoperative - All
7 |

1. Disconnect the passenger power window motor.
2. Connect a test lamp between power window motor up circuit at the passenger power window motor harness connector and a good ground.
3. Operate the passenger power window in the up direction form the power window master switch.

Did the test lamp illuminate?

Go to Step 8

Go to Step 10

8 |

1. Connect a test lamp between power window motor down circuit at the passenger power window motor harness connector and a good ground.
2. Operate the passenger power window in the down direction from the power window master switch.

Did the test lamp illuminate?

Go to Step 9

Go to Step 11

9 |

1. Connect a test lamp between power window motor up and down circuits at the passenger power window motor harness connector.
2. Operate the passenger power window in the up and down directions.

Did the test lamp illuminate in both directions?

Go to Step 18

Go to Step 19

10 |

1. Disconnect the passenger power window switch.
2. Connect a test lamp between the power window master switch up signal circuit at the passenger power window switch harness connector and a good ground.
3. Operate the passenger power window in the up direction from the power window master switch.

Did the test lamp illuminate?

Go to Step 15

Go to Step 13

11 |

1. Disconnect the passenger power window switch.
2. Connect a test lamp between the power window master switch down signal circuit at the passenger power window switch harness connector and a good ground.
3. Operate the passenger power window in the down direction form the power window master switch.

Did the test lamp illuminate?

Go to Step 16

Go to Step 14

12 | Test for an open or short to ground in the window lockout control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 20
13 | Test for an open or short to ground in the power window master switch up signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 19
14 | Test for an open or short to ground in the power window master switch down signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 19
15 | Test for an open or short to ground in the power window motor up control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 17
16 | Test for an open or short to ground in the power window motor down control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 17
17 | Inspect for poor connections at the passenger power window switch. 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 23 | Go to Step 22
18 | Inspect for poor connections at the passenger power window motor. 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 23 | Go to Step 21
19 | Inspect for poor connections at the power window master switch. 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 23 | Go to Step 20
20 | Replace the power window master switch. Refer to Front Side Door Window Switch Replacement . Did you complete the repair? | Go to Step 23 | --
21 | Replace the rear passenger power window motor. Did you complete the repair? | Go to Step 23 | --
22 | Replace the passenger power window switch. Refer to Front Side Door Window Switch Replacement . Did you complete the repair? | Go to Step 23 | --
23 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2