Schematic Reference: Power Seats Schematics

DEFINITION: One or more of the driver or passenger 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 Symptoms - Seats

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

Do all of the power seat adjuster motors operate properly?

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

Go to Step 3

Are all of the power seat functions inoperative?

Go to Step 4

Go to Step 6

Test the battery positive voltage supply circuit to the seat adjuster switch for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 12

Go to Step 5

Test the seat adjuster switch ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 12

Go to Step 6

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

Does the test lamp illuminate when the switch is pressed in both directions?

Go to Step 8

Go to Step 7

1. Disconnect the power seat switch connector.
2. Test the inoperative adjuster motor control circuits 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 12

Go to Step 10

Inspect for poor connections at the seat adjuster motor assembly. 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 12

Go to Step 9

Replace the seat adjuster motor assembly. Refer to Power Seat Adjuster Mechanism Replacement .

Is the repair complete?

Go to Step 12

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Inspect for poor connections at the seat adjuster 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 12

Go to Step 11

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

Is the repair complete?

Go to Step 12

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2