Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Sit-N-Lift Mobility Seat Does Not Enter Diagnostic Mode
2005 Saturn Relay AWDSECTION Sit-N-Lift Mobility Seat Does Not Enter Diagnostic Mode
Sit-N-Lift Mobility Seat Does Not Enter Diagnostic Mode
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Passenger Seat Schematics Connector End View Reference: Power Seat Systems Component Views |
|||
| 1 | Did you review the description and operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Seats |
| 2 | Verify the fault is present. Does the system operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 |
|
Go to Step 4 | Go to Door Ajar Indicator Malfunction in Doors |
| 4 |
Does the test lamp illuminate on both circuits? |
Go to Step 5 | Go to Step 7 |
| 5 | Using a test lamp connected to battery voltage test both of the ground circuit terminals in the harness connector C1. Does the test lamp illuminate on both circuits? |
Go to Step 6 | Go to Step 8 |
| 6 |
|
Go to Step 10 | Go to Step 9 |
| 7 | Repair the battery voltage supply circuit to the mobility seat module for an open or short to ground. Refer to Circuit Testing
andWiring Repairs
in Wiring Systems. Is the repair complete? |
Go to Step 12 | - |
| 8 | Repair the mobility seat module ground circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Is the repair complete? |
Go to Step 12 | - |
| 9 | Repair the RR sliding door jamb switch circuit to the mobility seat module for an open or high resistance. Refer to Circuit Testing
andWiring Repairs
in Wiring Systems. Is the repair complete? |
Go to Step 12 | - |
| 10 | Inspect for poor connections at the mobility seat module harness connectors. 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 |
| 11 | Replace the mobility seat module. Refer to Mobility Seat Control Module Replacement - Sit-N-Lift . 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 3 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.