For 1990-2009 cars

Important: Review the system description in order to familiarize yourself with the system functions. Refer to one of the following descriptions:

• | Lumbar Support Description and Operation

• | Power Seats System Description and Operation

### Visual/Physical Inspection

• | Inspect for aftermarket devices which could affect the operation of the power seat system. Refer to Checking Aftermarket Accessories.

• | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

• | Inspect the power seat for proper mechanical operation.

### Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections.

### Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

• | Lumbar Support Inoperative

• | Power Seat Inoperative