Power Seat Does Not Move Forward/Rearward (Driver)
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Power Seat Does Not Move Forward/Rearward (Driver)
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Driver Seat Schematics Connector End View Reference: Power Seat Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Verify the fault is present. Does the system operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 |
|
Go to Step 4 | Go to Step 5 |
| 4 | Disconnect the seat adjuster switch connector. Do both of the Horizontal Switch parameters display Inactive? |
Go to Step 14 | Go to Step 10 |
| 5 | Operate the horizontal forward switch. Does the scan tool display the horizontal forward switch as Active? |
Go to Step 6 | Go to Step 7 |
| 6 | Operate the horizontal rearward switch. Does the scan tool display the horizontal rearward switch as Active? |
Go to Step 9 | Go to Step 8 |
| 7 |
|
Go to Step 14 | Go to Step 11 |
| 8 |
|
Go to Step 14 | Go to Step 12 |
| 9 |
|
Go to Step 16 | Go to Step 13 |
| 10 | Test the active horizontal switch signal circuit for a short to voltage. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
Go to Step 20 | Go to Step 15 |
| 11 | Test the horizontal forward switch signal circuit for an open or high resistance. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
Go to Step 20 | Go to Step 15 |
| 12 | Test the horizontal rearward switch signal circuit for an open or high resistance. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
Go to Step 20 | Go to Step 15 |
| 13 | Test the motor control circuits for an open or a high resistance. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
Go to Step 20 | Go to Step 15 |
| 14 | Inspect for poor connections at the seat adjuster switch harness connector. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
Go to Step 20 | Go to Step 17 |
| 15 | Inspect for poor connections at the driver seat module harness connectors. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
Go to Step 20 | Go to Step 18 |
| 16 | Inspect for poor connections at the adjuster motor connector. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you fin and correct the condition? |
Go to Step 20 | Go to Step 19 |
| 17 | Replace the seat adjuster switch. Refer to Seat Switch Replacement - Power . Is the repair complete? |
Go to Step 20 | - |
| 18 | Replace the driver seat module. Refer to Control Module References
for replacement, setup and programming. Is the repair complete? |
Go to Step 20 | - |
| 19 | Replace the inoperative adjuster motor. Refer to Front Seat Adjuster Motor Replacement . Is the repair complete? |
Go to Step 20 | - |
| 20 | Operate the system to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |