B1D75

B1D75-SEAT REAR VERTICAL POSITION SENSOR CIRCUIT LOW







- When Monitored:
When the Seat Motor is activated.

- Set Condition:
If sensor voltage is not within a specified range this DTC will set.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, erase all DTC's.
3. Move the Driver Seat Switch in the Vertical position three times.
4. With the scan tool, read DTC's.

Does the scan tool display this DTC?

Yes

- Go To 2

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.

2. CHECK THE (G402) DRIVER SEAT REAR VERTICAL POSITION SENSE CIRCUIT VOLTAGE




1. Turn the ignition off.
2. Disconnect the Rear Driver Vertical Seat Adjuster Motor harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (G402) Driver Seat Rear Vertical Position Sense circuit at the Rear Driver Vertical Seat Adjuster Motor harness connector.

Is the voltage above 10.0 volts?

Yes

- Replace the Seat Track Vertical Motor assembly.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.

No

- Go To 3

3. CHECK THE (G402) DRIVER SEAT REAR VERTICAL POSITION SENSE CIRCUIT FOR A SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the Memory Seat Module C2 harness connector.
3. Measure the resistance between ground and the (G402) Driver Seat Rear Vertical Position Sense circuit at the Rear Driver Vertical Seat Adjuster Motor harness connector.

Is the resistance above 10k ohms?

Yes

- Replace the Memory Seat Module.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.

No

- Repair the (G402) Driver Seat Rear Vertical Position Sense circuit for a short to ground.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.