For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Driver Seat Schematics and Passenger Seat Schematics Connector End View Reference: Power Seat Connector End Views DEFINITION: One or more of the seat track adjuster motor function are inoperative.
1 | Did you review the Power Seat System Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Power Seats
2 | 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 properly? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3
3 | Are all of the seat track adjuster motors inoperative? | Go to Step 4 | Go to Step 6
4 | Test the battery voltage supply circuit to the power seat switch for an open or short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 12 | Go to Step 5
5 | Test the power seat switch ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 12 | Go to Step 10
6 |

1. Disconnect the seat track adjuster motor assembly 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

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 .

Did you find and correct the condition?

Go to Step 12

Go to Step 10

8 | Inspect for poor connections at the seat track adjuster motor assembly connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 12 | Go to Step 9
9 | Replace the seat track adjuster motor assembly. Refer to Power Seat Adjuster Mechanism Replacement . Is the repair complete? | Go to Step 12 | --
10 | 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 12 | Go to Step 11
11 | Replace the power seat switch. Refer to Power Seat Switch Replacement . Is the repair complete? | Go to Step 12 | --
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2