B1D79

B1D79-SEAT RECLINER POSITION SENSOR CIRCUIT LOW





For a complete wiring diagram REFER to DIAGRAMS/ELECTRICAL .


- When Monitored:
When the Seat Motor is activated.

- Set Condition:
If sensor voltage is not within a specified range this DTC 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 in the Recliner position three times.
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 - VER 1. Power Seat System Verification Test


2. CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT VOLTAGE
Turn the ignition off.
Disconnect the Driver Recliner Seat Adjuster Motor harness connector.
Turn the ignition on.
Measure the voltage of the (G403) Driver Seat Recliner Position Sense circuit at the Driver Recliner Seat Adjuster Motor harness connector.
Is the voltage above 10.0 volts?

Yes


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


No


- Go To 3



3. CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT FOR A SHORT TO GROUND
Turn the ignition off.
Disconnect the Memory Seat Module C2 harness connector.
Measure the resistance between ground and the (G403) Driver Seat Recliner Position Sense circuit at the Driver Recliner Seat Adjuster Motor harness connector.
Is the resistance above 10k ohms?

Yes


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


No


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