For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 |

1. Place the ignition switch into the RUN position.
2. Using a test lamp, backprobe the left window switch connector from terminal D to terminal E.
3. Press the left window UP switch and the left window DOWN switch at the left side window switch.

Does the test lamp light after both actions?

--

Go to Step 3

Go to Step 2

2 |

1. Test for a poor connection at the left power window switch connector.
2. If OK, replace the left power window switch. Refer to Front Side Door Window Switch Replacement .

Is the repair complete?

--

System OK

--

3 |

1. Using a test lamp, backprobe the power window control module connector from terminal A to terminal E.
2. Press the left window switch UP and the left window switch DOWN at the left side window switch.

Does the test lamp light in both cases?

--

Go to Step 5

Go to Step 4

4 |

1. Test for an open in CKT 1136, between the left side window switch terminal E and the power window control module terminal E.
2. If OK, repair the open in CKT 164, between left side window switch terminal D and power window control module terminal A.

Is the repair complete?

--

System OK

--

5 |

1. Using a test lamp, backprobe the power window control module connector from terminal A to terminal D.
2. Press the left window UP and the left window DOWN switch at the left side window switch.

Does the test lamp light druing both actions?

--

Go to Step 7

Go to Step 6

6 |

1. Test for poor connections at the power window control module.
2. If OK, replace the power window control module.

Is the repair complete?

--

System OK

--

7 |

1. Disconnect the left front side door window motor connector.
2. Connect a test lamp between terminal A and terminal B of the left front side door window motor connector.
3. Press the left window UP and the left window DOWN switch at the left window switch.

Does the test lamp light during both actions?

--

Go to Step 8

Go to Step 9

8 |

1. Test for poor connections at the left front side door window motor.
2. If OK, replace the left window motor. Refer to Door Window Regulator Motor Replacement .

Is the repair complete?

--

System OK

--

9 |

1. Test for an open in CKT 165, between power window control module terminal D and left front side door window motor terminal A.
2. If OK, repair the open in CKT 164, between the left front side door window motor and S263.

Is the repair complete?

--

System OK

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