Symptoms - Seat Heating and Cooling

Symptoms - Seat Heating and Cooling

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

1. 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. Initial Inspection and Diagnostic Overview

2. Refer to the system description and operation from the following list in order to familiarize yourself with the system functions:

* Heated/Cooled Seats Description and Operation
* Heated Seats Description and Operation - Rear

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the power seats. Refer to Checking Aftermarket Accessories. Component Tests and General Diagnostics
* 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. Refer to Testing for Intermittent Conditions and Poor Connections. Component Tests and General Diagnostics

Symptom List

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

* Heated Seat Inoperative - Rear
* Heated Seat Switch Indicator Malfunction - Rear
* Heated/Cooled Seat Always On
* Heated/Cooled Seat Switch Indicator Malfunction
* Heated/Cooled Seats Inoperative