Did you review the operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

1. Disconnect the LF window regulator motor connector.
2. Place the ignition switch into the RUN position.
3. Using a test lamp, probe the LF window regulator motor connector between terminals A and B. Refer to Circuit Testing in Wiring Systems.
4. Press the LF window switch UP and then DOWN.

Does the test lamp illuminate after both actions?

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Go to Step 3

Go to Step 4

Replace the LF window regulator motor. Refer to Front Side Door Window Regulator Replacement .

Is the repair complete?

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Go to Step 7

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1. Turn the ignition switch to the OFF position.
2. Disconnect the LF window switch.
3. Using a DMM, check circuit 164 and 165 for continuity, and a short to ground. Refer to Circuit Testing in Wiring Systems.

Are either of these conditions present?

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Go to Step 5

Go to Step 6

Repair the poor connection or open, or short to ground in circuit 164 or 165. Refer to Connector Repairs or Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Step 7

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Replace the LF window switch. Refer to Door Trim Plate Replacement .

Is the repair complete?

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Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2