A Symptoms - Seats

SYMPTOMS

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

1. Refer to the system description and operation from the following list in order to familiarize yourself with the system functions:
- Power Seats System Description and Operation
- Lumbar Support Description and Operation (w/o Memory-A45)
- Lumbar Support Description and Operation (with Memory-A45)
- Lumbar Support Description and Operation (with Massaging Lumbar-AM3)
- Heated/Cooled Seats Description and Operation
- Heated Seats Description and Operation - Rear
- Memory Seats Description and Operation
2. If you are diagnosing a seat with memory (A45) perform the Diagnostic System Check - Vehicle, before using the symptom tables in order to verify that all of the following are true:
- There are no DTCs set.
- The control modules can communicate via the serial data link. Testing and Inspection

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the power seats.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Inspect the seat adjuster track for conditions which may cause binding or objects within the seat adjustment range which obstruct movement or interfere with wiring.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Power Seat Inoperative (with Memory-A45) Power Seat Inoperative (With Memory-A45)
- Power Seat Inoperative (w/o Memory-A45) Power Seat Inoperative (Without Memory-A45)
- Memory Seat Feature Inoperative Memory Seat Feature Inoperative
- Lumbar Support Inoperative (w/o Memory-A45) Lumbar Support Inoperative (Without Memory-A45)
- Lumbar Support Inoperative (with Memory-A45) Lumbar Support Inoperative (with Memory-A45)
- Lumbar Massage Inoperative Lumbar Massage Inoperative
- Heated/Cooled Seats Inoperative Heated/Cooled Seats Inoperative
- Heated/Cooled Seat Inoperative - Back Only Mode Heated/Cooled Seat Inoperative - Back Only Mode
- Heated/Cooled Seat Temperature Adjustment Inoperative Heated/Cooled Seat Temperature Adjustment Inoperative
- Heated/Cooled Seat Always On Heated/Cooled Seat Always On
- Heated Seat Always On - Rear Heated Seat Always On - Rear
- Heated Seat Inoperative - Rear Heated Seat Inoperative - Rear
- Heated Seat Switch Indicator Malfunction - Rear Heated Seat Switch Indicator Malfunction - Rear