B1D7A

B1D7A-SEAT RECLINER POSITION SENSOR CIRCUIT HIGH





For a complete wiring diagram REFER to DIAGRAMS/ELECTRICAL .


- When Monitored:
When the Seat Motor is activated.

- Set Condition:
If during motor operation the sensor voltage is not within a specified range this code will set.






Diagnostic Test


1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, erase all DTC's.
Move the Driver Seat Switch rear Recliner position three times.
With the scan tool, read DTC's.
Does the scan tool display active: B1D7A-SEAT RECLINER POSITION SENSOR CIRCUIT HIGH?

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 - VER 1. Power Seat System Verification Test


2. DRIVER RECLINER SEAT ADJUSTER MOTOR
Turn the ignition off.
Disconnect the Driver Recliner Seat Adjuster Motor harness connector.
Turn the ignition on.
With the scan tool, erase all DTC's.
Move the Driver Seat Switch in both the Recliner positions three times.
With the scan tool, read DTC's.
Does the scan tool display active: B1D7A-SEAT RECLINER POSITION SENSOR CIRCUIT HIGH?

Yes


- Go to 3


No


- Replace the Rear Driver Recliner Seat Adjuster Motor assembly.
- Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1 Power Seat System Verification Test


3. CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT FOR A SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Memory Seat Module C2 harness connector.
Turn the ignition on.
Measure the (G403) Driver Seat Recliner Position Sense Circuit for voltage at the Driver Recliner Seat Adjuster Motor harness connector.
Is there any voltage present?

Yes


- Repair the (G403) Driver Seat Recliner Position Sense Circuit for a short to voltage.
- Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1 Power Seat System Verification Test


No


- 4


4. CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT
Turn the ignition off.
Measure the resistance of the (G403) Driver Seat Recliner Position Sense Circuit to other circuits in the Memory Seat Module C2 connector.
Is there any continuity present to other circuits?

Yes


- Repair the (G403) Driver Seat Recliner Position Sense Circuit for a short to another circuit.
- Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1 Power Seat System Verification Test


No


- Replace the Memory Seat Module.
- Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1 Power Seat System Verification Test