Schematic Reference: Driver Seat Schematics

Connector End View Reference: Power Seat Connector End Views

DEFINITION: One or more of the power seat functions are inoperative.

Did you review the Power Seat System Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Attempt to operate all of the power seat adjuster motors through their full range of adjustment.

Do all of the power seat adjuster motors operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Are all the power seat adjuster motors inoperative?

Go to Step 4

Go to Step 6

1. Disconnect the power seat switch connector.
2. Connect a test lamp from the battery voltage supply circuit terminal in the harness connector to a good ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 10

Connect a test lamp from the battery voltage supply circuit terminal to the ground circuit terminal in the power seat switch harness connector.

Does the test lamp illuminate?

Go to Step 8

Go to Step 11

1. Disconnect the inoperative adjuster motor connector.
2. Connect a test lamp across the motor control circuit terminals in the harness connector.
3. Operate the appropriate adjuster switch in both directions.

Does the test lamp illuminate while the switch is operated in both directions?

Go to Step 9

Go to Step 7

Test the inoperative motor control circuits for an open or short to ground. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 8

Inspect for poor connections at the power seat switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 12

Inspect for poor connections at the inoperative adjuster motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 13

Repair the battery voltage supply circuit to the power seat switch for an open or short to ground. Refer to Circuit Testing and Wiring Repairs .

Is the repair complete?

Go to Step 14

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Repair the power seat switch ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs .

Is the repair complete?

Go to Step 14

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Replace the power seat switch. Refer to Power Seat Switch Replacement .

Is the repair complete?

Go to Step 14

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Replace the inoperative seat adjuster motor. Refer to Front Seat Adjuster Motor Replacement .

Is the repair complete?

Go to Step 14

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3