For 1990-2009 cars

## Power Windows Inoperative - One Left Front

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Window Schematics
1 | Did you review the Power Windows Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Doors
2 |

1. Turn ON the ignition, with the engine OFF.
2. Verify that the left front power window is inoperative.

Is the left front power window inoperative?

Go to Step 3

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

3 |

1. Turn ON the ignition, with the engine OFF.
2. Test for battery voltage at terminal 11 of the master window switch with the switch in the UP position.
3. Test for battery voltage at terminal 10 of the master window switch with the switch in the DOWN position.

Is battery voltage present in both tests?

Go to Step 4

Go to Step 5

4 |

1. Test for an open in the YEL wire between the left front window switch and the left front window regulator.
2. Test for an open in the RED wire between the master window switch and the left front window regulator.

Did you test an open condition?

Go to Step 7

Go to Step 6

5 | Inspect for poor connections at the harness connector of the left front window regulator. 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 10 | Go to Step 9
6 | Inspect for poor connections at the harness connector of the master 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 10 | Go to Step 8
7 | Repair the open. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 10 | --
8 | Replace the master window switch. Refer to Front Side Door Window Switch Replacement or Power Window and Door Lock Switch Replacement. Is the repair complete? | Go to Step 10 | --
9 | Replace the left front window regulator. Refer to Front Side Door Window Regulator Replacement . Is the repair complete? | Go to Step 10 | --
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3

## Power Windows Inoperative - One Right Front

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Window Schematics
1 | Did you review the Power Windows Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Doors
2 |

1. Turn ON the ignition, with the engine OFF.
2. Operate right front window and verify that the right front window is inoperative.

Is the right front window inoperative?

Go to Step 3

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

3 | Is the right front window inoperative from the right front window switch only? | Go to Step 4 | Go to Step 5
4 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the right front window switch connector with a test lamp between terminal 3 and ground.

Does the test lamp illuminate?

Go to Step 7

Go to Step 12

5 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the right front window switch with a test lamp between terminal 1 and ground.
3. Operate the master window switch to the UP position and observe the test lamp.
4. Backprobe the right front window switch with a test lamp between terminal 4 and ground.
5. Operate the master window switch to the DOWN position and observe the test lamp.

Does the test lamp illuminate when the master switch is operated to the UP position and to the DOWN position?

Go to Step 7

Go to Step 6

6 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the master window switch with a test lamp between terminal 7 and ground.
3. Operate the master window switch to the UP position and observe the test lamp.
4. Backprobe the master window switch with a test lamp between terminal 6 and ground.
5. Operate the master window switch to the DOWN position and observe the test lamp.

Does the test lamp illuminate when the master switch is operated to the UP position and to the DOWN position?

Go to Step 14

Go to Step 9

7 |

1. Test for an open condition through the right front window switch terminals 4 and 5 with the switch in the NEUTRAL position.
2. Test for an open condition through the right front window switch terminals 1 and 2 with the switch in the NEUTRAL position.
3. Test for an open condition through the right front window switch terminals 3 and 5 with the switch in the DOWN position.
4. Test for an open condition through the right front window switch terminals 2 and 3 with the switch in the UP position.

Did you test an open in any of the above conditions?

Go to Step 10

Go to Step 8

8 |

1. Test for an open in the YEL or the GRN/YEL wire between the right front window switch and the right front window regulator.
2. Test for an open in the RED or the RED/BLU wire between the right front window switch and the right front window regulator.

Did you test an open condition?

Go to Step 13

Go to Step 11

9 | Inspect for poor connections at the harness connector of the master 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 18 | Go to Step 16
10 | Inspect for poor connections at the harness connector of the right front 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 18 | Go to Step 15
11 | Inspect for poor connections at the harness connector of the right front window regulator. 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 18 | Go to Step 17
12 | Repair the open in the BLU/WHT wire between the right front window switch and S244. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
13 | Repair the open. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
14 | Repair the open in the wire between the master window switch and the right front door switch where no voltage was present in Step 6. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
15 | Replace the right front window switch. Refer to Front Side Door Window Switch Replacement . Is the repair complete? | Go to Step 18 | --
16 | Replace the master window switch. Refer to Front Side Door Window Switch Replacement or Power Window and Door Lock Switch Replacement. Is the repair complete? | Go to Step 18 | --
17 | Replace the right front window regulator. Refer to Front Side Door Window Regulator Replacement . Is the repair complete? | Go to Step 18 | --
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3

## Power Windows Inoperative - One Left Rear

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Window Schematics
1 | Did you review the Power Windows Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Doors
2 |

1. Turn ON the ignition, with the engine OFF.
2. Operate the left rear window and verify that the left rear power window is inoperative.

Is the left rear power window inoperative?

Go to Step 3

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

3 | Is the left rear power window inoperative from the left rear window switch only? | Go to Step 4 | Go to Step 5
4 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the left rear window switch connector with a test lamp between cavity 3 and ground.

Does the test lamp illuminate?

Go to Step 7

Go to Step 12

5 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the left rear window switch with a test lamp between terminal 1 and ground.
3. Operate the master window switch to the UP position and observe the test lamp.
4. Backprobe the left rear window switch with a test lamp between terminal 4 and ground.
5. Operate the master window switch to the DOWN position and observe the test lamp.

Does the test lamp illuminate when the master switch is operated to the UP position and to the DOWN position?

Go to Step 7

Go to Step 6

6 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the master window switch with a test lamp between terminal 5 and ground.
3. Operate the master window switch to the UP position and observe the test lamp.
4. Backprobe the master window switch with a test lamp between terminal 4 and ground.
5. Operate the master window switch to the DOWN position and observe the test lamp.

Does the test lamp illuminate when the master switch is operated to the UP position and to the DOWN position?

Go to Step 14

Go to Step 9

7 |

1. Test for an open condition through the left rear window switch terminal 4 and terminal 5 with the switch in the NEUTRAL position.
2. Test for an open condition through the left rear window switch terminals 1 and 2 with the switch in the NEUTRAL position.
3. Test for an open condition through the left rear window switch terminal 3 and terminal 5 with the switch in the DOWN position.
4. Test for an open condition through the left rear window switch terminal 2 and terminal 3 with the switch in the UP position.

Did you test an open in any of the above conditions?

Go to Step 10

Go to Step 8

8 |

1. Test for an open in the YEL or the GRN/YEL wire between the left rear window switch and the left rear window regulator.
2. Test for an open in the RED or the RED/BLU wire between the left rear window switch and the left rear window regulator.

Did you test an open condition?

Go to Step 13

Go to Step 11

9 | Inspect for poor connections at the harness connector of the master 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 18 | Go to Step 16
10 | Inspect for poor connections at the harness connector of the left rear 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 18 | Go to Step 15
11 | Inspect for poor connections at the harness connector of the left rear window regulator. 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 18 | Go to Step 17
12 | Repair the open in the BLU/WHT wire between the left rear window switch and S310. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
13 | Repair the open. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
14 | Repair the open in the wire between the master window switch and the left rear door switch where the test lamp did not illuminate in Step 6. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
15 | Replace the left rear window switch. Refer to Rear Side Door Window Switch Replacement . Is the repair complete? | Go to Step 18 | --
16 | Replace the master window switch. Refer to Front Side Door Window Switch Replacement or Power Window and Door Lock Switch Replacement. Is the repair complete? | Go to Step 18 | --
17 | Replace the left rear window regulator. Refer to Rear Side Door Window Regulator Replacement . Is the repair complete? | Go to Step 18 | --
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3

## Power Windows Inoperative - One Right Rear

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Window Schematics
1 | Did you review the Power Windows Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Doors
2 |

1. Turn ON the ignition, with the engine OFF.
2. Operate the right rear window and verify that the right rear power window is inoperative.

Is the right rear power window inoperative?

Go to Step 3

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

3 | Is the right rear power window inoperative from the right rear window switch only? | Go to Step 4 | Go to Step 5
4 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the right rear window switch connector with a test lamp from cavity 3 to ground.

Does the test lamp illuminate?

Go to Step 7

Go to Step 12

5 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the right rear window switch with a test lamp between terminal 1 and ground.
3. Operate the master window switch to the UP position and observe the test lamp.
4. Backprobe the right rear window switch with a test lamp between terminal 4 and ground.
5. Operate the master window switch to the DOWN position and observe the test lamp.

Does the test lamp illuminate when the master switch is operated to the UP position and to the DOWN position?

Go to Step 10

Go to Step 6

6 |

1. Turn ON the ignition, with the engine OFF.
2. Backprobe the master window switch with a test lamp between terminal 3 and ground.
3. Operate the master window switch to the UP position and observe the test lamp.
4. Backprobe the master window switch with a test lamp between terminal 2 and ground.
5. Operate the master window switch to the DOWN position and observe the test lamp.

Does the test lamp illuminate when the master switch is operated to the UP position and to the DOWN position?

Go to Step 14

Go to Step 9

7 |

1. Test for an open condition through the right rear window switch terminal 4 and terminal 5 with the switch in the NEUTRAL position.
2. Test for an open condition through the right rear window switch terminal 1 and terminal 2 with the switch in the NEUTRAL position.
3. Test for an open condition through the right rear window switch terminal 3 and terminal 5 with the switch in the DOWN position.
4. Test for an open condition through the right rear window switch terminal 2 and temrinal 3 with the switch in the UP position.

Did you test an open in any of the above conditions?

Go to Step 10

Go to Step 8

8 |

1. Test for an open in the YEL or the GRN/YEL wire between the right rear window switch and the right rear window regulator.
2. Test for an open in the RED or the RED/BLU wire between the right rear window switch and the right rear window regulator.

Did you test an open condition?

Go to Step 13

Go to Step 11

9 | Inspect for poor connections at the harness connector of the master 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 18 | Go to Step 16
10 | Inspect for poor connections at the harness connector of the right rear 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 18 | Go to Step 15
11 | Inspect for poor connections at the harness connector of the right rear window regulator. 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 18 | Go to Step 17
12 | Repair the open in the BLU/WHT wire between the right rear window switch and S310. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
13 | Repair the open. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
14 | Repair the open in the wire between the master window switch and the right rear door switch where the test lamp did not illuminate in Step 6. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 18 | --
15 | Replace the right rear window switch. Refer to Rear Side Door Window Switch Replacement . Is the repair complete? | Go to Step 18 | --
16 | Replace the master window switch. Refer to Front Side Door Window Switch Replacement or Power Window and Door Lock Switch Replacement. Is the repair complete? | Go to Step 18 | --
17 | Replace the right rear window regulator. Refer to Rear Side Door Window Regulator Replacement . Is the repair complete? | Go to Step 18 | --
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3