B1D6D
B1D6D-SEAT HORIZONTAL POSITION SENSOR CIRCUIT LOW
For a complete wiring diagram, refer to the Wiring Information.
- When Monitored:
Continuously.
- Set Condition:
If Voltage on the (G401) Driver Seat Horizontal Position Sense circuit is not within a specified range.
1. CHECK FOR ACTIVE FAULT WITH SEAT STATIONARY
1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Cycle the ignition from on to off three times.
4. Turn the ignition on and wait 30 seconds.
5. Using a scan tool, read DTCs.
Is DTC B1D6D-SEAT HORIZONTAL POSITION SENSOR CIRCUIT LOW active?
Yes
- Go To 3
No
- Go To 2
2. CHECK FOR ACTIVE FAULT WHILE ADJUSTING THE SEAT
1. Move the seat switch in the horizontal adjust position three times.
2. Using a scan tool, read DTCs.
Is DTC B1D6D-SEAT HORIZONTAL POSITION SENSOR CIRCUIT LOW active?
Yes
- Go To 3
No
- The conditions that caused this code to set are not present at this time. Verify seat harness is routed correctly. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.
3. CHECK THE (G401) DRIVER SEAT HORIZONTAL POSITION SENSE CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the MSM C3 connector.
3. Disconnect the Driver Horizontal Seat Adjuster Motor connector.
NOTE: Check connectors. Clean and repair as necessary.
4. Measure the resistance of the (G401) Driver Seat Horizontal Position Sense circuit between ground and the Driver Horizontal Seat Adjuster Motor connector.
Is the resistance below 10K Ohms?
Yes
- Repair the (G401) Driver Seat Horizontal Position Sense circuit for a short to ground.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.
No
- Go To 4
4. CHECK THE (G401) DRIVER SEAT HORIZONTAL POSITION SENSE CIRCUIT FOR A SHORT TO (G491) DRIVER SEAT HORIZONTAL SENSOR GROUND CIRCUIT, (P115) DRIVER SEAT HORIZONTAL FORWARD DRIVER CIRCUIT, AND (P117) DRIVER SEAT HORIZONTAL REARWARD DRIVER CIRCUIT
1. Measure the resistance between the (G401) Driver Seat Horizontal Position Sense circuit and the (G491) Driver Seat Horizontal Sensor Ground circuit at the Driver Horizontal Seat Adjuster Motor connector.
2. Measure the resistance between the (G401) Driver Seat Horizontal Position Sense circuit and the (P115) Driver Seat Horizontal Forward Driver circuit at the Driver Horizontal Seat Adjuster Motor connector.
3. Measure the resistance between the (G401) Driver Seat Horizontal Position Sense circuit and the (P117) Driver Seat Horizontal Rearward Driver circuit at the Driver Horizontal Seat Adjuster Motor connector.
Is the resistance below 10K Ohms for any measurement?
Yes
- Repair all circuits with a resistance below 10K Ohms for a short to the (G401) Driver Seat Horizontal Position Sense circuit.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.
No
- Go To 5
5. CHECK THE (G401) DRIVER SEAT HORIZONTAL POSITION SENSE CIRCUIT AND THE (G491) DRIVER SEAT HORIZONTAL SENSOR GROUND CIRCUIT FUNCTION
1. Reconnect the MSM C3 connector.
2. Disconnect the scan tool.
3. Turn off all vehicle interior and exterior lighting.
4. Mark sure all doors are closed then wait 10 seconds.
5. Connect a 12-Volt test light between the (G401) Driver Seat Horizontal Position Sense circuit and the (G491) Driver Seat Horizontal Sensor Ground circuit at the Driver Horizontal Seat Adjuster Motor connector.
6. Move the seat switch in the horizontal adjust position then release the switch.
Does the test light illuminate for approximately five seconds then turn off?
Yes
- Replace the Seat Track Horizontal Motor assembly.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.
No
- Replace the Memory Seat Module (MSM).
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.