Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
The DTC may be cleared by removing the main power supply or ground from the seat module.
DTC 034: Swivel Motor Hall Sensor Circuit Fault During Inward Rotation
| 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 | Go to Step 3 |
| 3 | Does the seat rotate to the forward facing position? | Go to Step 4 | Go to Step 7 |
| 4 |
|
Go to Step 5 | Go to Step 8 |
| 5 | Measure the voltage between the hall effect sensor supply circuit terminal and the ground circuit terminal in the harness connector. Is battery voltage present? |
Go to Step 6 | Go to Step 9 |
| 6 | Measure the voltage at the hall effect sensor signal circuit terminal in the harness connector. Is battery voltage present? |
Go to Step 13 | Go to Step 10 |
| 7 |
|
Go to Step 13 | Go to Step 11 |
| 8 | Test the hall effect sensor supply circuit for an open or short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 14 | Go to Step 12 |
| 9 | Test the hall effect sensor 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 14 | Go to Step 12 |
| 10 | Test the hall effect sensor signal circuit for an open or short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 14 | Go to Step 12 |
| 11 | Test the swivel motor control circuits 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 14 | Go to Step 12 |
| 12 | Replace the mobility seat control module. Refer to Mobility Seat Control Module Replacement - Sit-N-Lift . Is the repair complete? |
Go to Step 14 | - |
| 13 | Replace the mobility seat base unit. Refer to Seat Base Replacement - Sit-N-Lift . Is the repair complete? |
Go to Step 14 | - |
| 14 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |