Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Power Seat Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Driver Seat Schematics or Passenger Seat Schematics Connector End View Reference: Power Seat Systems Connector End Views | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Operate the Power Seat System. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Connect a test lamp between battery positive voltage supply circuit at the power seat switch connector and a good ground. Does the test lamp illuminate? | Go to Step 4 | Go to Step 5 |
| 4 | Connect a test lamp between the ground circuit of the inoperative seat switch connector and a battery positive voltage. Does the test lamp illuminate? | Go to Step 8 | Go to Step 7 |
| 5 | Test for an open or short to ground in the battery positive voltage circuit. Refer to Wiring Repairs . Did you find and correct the condition? | Go to Step 10 | Go to Step 6 |
| 6 | Test all of the power seat motor control circuits for a short to ground. Refer to Circuit Testing . Did you find and correct the condition? | Go to Step 10 | |
| 7 | Repair the open in the ground circuit. Refer to Wiring Repairs . Did you find and correct the condition? | Go to Step 10 | |
| 8 | Inspect for poor connections at the harness connector of the power seat switch. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9 |
| 9 | Replace the inoperative power seat switch. Refer to Seat Switch Replacement - Power . Did you find and correct the condition? | Go to Step 10 | |
| 10 | Operate the system to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Power Seat Inoperative
Power Seat Does Not Move Forward/Rearward
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Driver Seat Schematics or Passenger Seat Schematics Connector End View Reference: Power Seat Systems Connector End Views DEFINITION: This table assumes that all mechanical linkage and drivers are free from obstruction and not binding. This also assumes that all other directions are operational. | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Operate the Power Seat System. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Disconnect the horizontal motor. Connect a test lamp between the horizontal motor control circuits. Operate the power seat switch to the forward and rearward positions. Did the test lamp illuminate for each switch position? | Go to Step 6 | Go to Step 4 |
| 4 | Test the control circuits of the horizontal motor for a open or short to ground. Refer to Circuit Testing . Did you find and correct the condition? | Go to Step 9 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connector of the power seat switch. Refer to Testing for Intermittent Conditions and Poor Connections . Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
| 6 | Inspect for poor connections at the harness connector of the horizontal motor. Refer to Testing for Intermittent Conditions and Poor Connections . Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
| 7 | Replace the horizontal motor. Refer to Seat Adjuster Replacement - Front . Did you complete the replacement? | Go to Step 9 | |
| 8 | Replace the power seat switch. Refer to Seat Switch Replacement - Power . Did you complete the replacement? | Go to Step 9 | |
| 9 | Operate the system to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Power Seat Does Not Move Forward/Rearward
Power Seat Does Not Tilt Forward
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Driver Seat Schematics or Passenger Seat Schematics Connector End View Reference: Power Seat Systems Connector End Views DEFINITION: This table assumes that all mechanical linkage and drivers are free from obstruction and not binding. This also assumes that all other directions are operational. | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Operate the Power Seat System. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Disconnect the front vertical motor. Connect a test lamp between the front vertical motor control circuits. Operate the power seat switch to the front up and front down positions. Did the test lamp illuminate for each switch position? | Go to Step 6 | Go to Step 4 |
| 4 | Test the control circuits of the front vertical motor for a open or short to ground. Refer to Circuit Testing . Did you find and correct the condition? | Go to Step 9 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connector of the power seat switch. Refer to Testing for Intermittent Conditions and Poor Connections . Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
| 6 | Inspect for poor connections at the harness connector of the front vertical motor. Refer to Testing for Intermittent Conditions and Poor Connections . Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
| 7 | Replace the front vertical motor. Refer to Seat Adjuster Replacement - Front . Did you complete the replacement? | Go to Step 9 | |
| 8 | Replace the power seat switch. Refer to Seat Switch Replacement - Power . Did you complete the replacement? | Go to Step 9 | |
| 9 | Operate the system to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Power Seat Does Not Tilt Forward
Power Seat Does Not Tilt Rearward
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Driver Seat Schematics or Passenger Seat Schematics Connector End View Reference: Power Seat Systems Connector End Views DEFINITION: This table assumes that all mechanical linkage and drivers are free from obstruction and not binding. This also assumes that all other directions are operational. | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Operate the Power Seat System. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Disconnect the rear vertical motor. Connect a test lamp between the rear vertical motor control circuits. Operate the power seat switch to the rear up and rear down positions. Did the test lamp illuminate for each switch position? | Go to Step 6 | Go to Step 4 |
| 4 | Test the control circuits for the rear vertical motors for a open or a short to ground. Refer to Circuit Testing . Did you find and correct the condition? | Go to Step 9 | Go to Step 5 |
| 5 | Inspect the poor connections at the harness connector of the power seat switch. Refer to Testing for Intermittent Conditions and Poor Connections . Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
| 6 | Inspect the poor connections at the harness connector of the rear vertical motor. Refer to Testing for Intermittent Conditions and Poor Connections . Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
| 7 | Replace the rear vertical motor. Refer to Seat Adjuster Replacement - Front . Did you complete the replacement? | Go to Step 9 | |
| 8 | Replace the power seat switch. Refer to Seat Switch Replacement - Power . Did you compete the replacement? | Go to Step 9 | |
| 9 | Operate the system to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Power Seat Does Not Tilt Rearward