- Preliminary Information

IMPORTANT: The following steps must be completed before using the symptom tables.

1. Perform A Diagnostic System Check - Power Seat Systems before using the Symptom Tables in order to verify that all of the following are true:
^ There are no DTCs set.
^ The control module can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions.
^ Refer to Power Seats Circuit Description
^ Refer to Power Seats Description
^ Refer to Front Seats Description
^ Refer to Rear Seats Description
^ Refer to Heated Seats Operation
^ Refer to Heated Seats Circuit Description
^ Refer to Memory Seat Description.
^ Refer to Memory Seat Operation
^ Refer to Memory Seat Circuit Description

Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the Power Seat Systems. Refer to Checking Aftermarket Accessories in Diagrams, Diagnostic Aids.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections in Diagrams, Diagnostic Aids, Troubleshooting Tools.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Heated Seat Inoperative (Front)
^ Heated Seat Always On (Front)
^ Heated Seat Inoperative - Rear
^ Heated Seat Always On - Rear
^ Power Seat Adjuster Does Not Move Horizontally
^ Power Seat Adjuster Does Not Move Vertically
^ Power Seat Inoperative
^ Power Seat Does Not Recline
^ Power Seats - Memory Switch Inoperative