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.
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HOMESERVICE MANUALSSATURN2005RELAY AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMESEATSSEAT SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC 051DIAGNOSTIC AIDS
2005 Saturn Relay AWD
Diagnostic Aids
2005 Saturn Relay AWDSECTION Diagnostic Aids
Inspect the limit switch for any physical damage or obstructions to its mechanical operation which may cause the condition.
DTC 051
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Passenger Seat Schematics Connector End View Reference: Power Seat Systems Connector End 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 5 | Go to Step 4 |
| 4 | Test the lift upper limit switch signal circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 6 |
| 5 | Test the lift upper limit switch ground circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 8 |
| 6 | 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 9 | Go to Step 7 |
| 7 | Replace the mobility seat control module. Refer to Mobility Seat Control Module Replacement - Sit-N-Lift . Is the repair complete? |
Go to Step 9 | - |
| 8 | Replace the mobility seat base unit. Refer to Seat Base Replacement - Sit-N-Lift . 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 |
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.