Diagnostic Test

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTC's
3. Move the seat switch rear vertical position three times.
4. With the scan tool, read DTC's.
  Does the scan tool display B1D76-SEAT REAR VERTICAL POSITION SENSOR CIRCUIT HIGH?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
CHECK THE (G402) DRIVER SEAT REAR VERTICAL POSITION SENSE VOLTAGE
1. Disconnect the Rear Driver Vertical Seat Adjuster Motor.
  NOTE: Check connectors - Clean and repair as necessary.
2. With the scan tool erase DTC's
3. Move the seat switch in the both rear vertical positions three times.
4. With the scan tool, read DTC's.
  Does the same DTC reset?
  
  Yes
  - Inspect the position sense wire for a possible short to voltage from another circuit, if OK replace the Memory Seat Module in accordance with the Service Information.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
  No
  - Inspect the position sense wire for a possible intermittent short to voltage from another circuit, if OK replace the Rear Driver Vertical Seat Adjuster Motor assembly in accordance with the Service Information.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .