Power Seat Inoperative (w/o Memory)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Power Seat Inoperative (w/o Memory)
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Power Seats Schematics DEFINITION: The driver or passenger power seat is inoperative in all modes. |
|||
| 1 | Did you review the Power Seats System Description and Operation? | Go to Step 2 | Go to Symptoms - Seats |
| 2 | Attempt to operate all of the power seat functions. Are all of the power seat functions inoperative? |
Go to Step 3 | Go to TESTING FOR INTERMITTENT AND POOR CONNECTIONS |
| 3 |
|
Go to Step 4 | Go to Step 5 |
| 4 | Connect a test lamp from the battery voltage supply circuit terminal to the ground circuit terminal in the seat adjuster switch harness connector. Does the test lamp illuminate? |
Go to Step 7 | Go to Step 6 |
| 5 | Repair the battery voltage supply circuit to the seat adjuster switch for an open or short to ground. Refer to CIRCUIT TESTING
and WIRING REPAIRS
. Is the repair complete? |
Go to Step 9 | - |
| 6 | Repair the seat adjuster switch ground circuit for an open or high resistance. Refer to CIRCUIT TESTING
and WIRING REPAIRS
. Is the repair complete? |
Go to Step 9 | - |
| 7 | Inspect for poor connections at the harness connector of the power seat switch. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS
and to CONNECTOR REPAIRS
. Did you find and correct the condition? |
Go to Step 9 | Go to Step 8 |
| 8 | Replace the power seat switch. Refer to Seat Switch Replacement - Power . Is the repair complete? |
Go to Step 9 | - |
| 9 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |