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 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.

2. Review the system operation in order to familiarize yourself with the system functions. Refer to Heated Seats Description and Operation Heated Seats.

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the system. Refer to Checking Aftermarket Accessories Checking Aftermarket Accessories.

* 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 Conditions and Poor Connections 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:

* Heated Seat Inoperative (With Memory A45) With Memory A45Heated Seat Inoperative (With Memory A45 and KB6) With Memory A45 and KB6Heated Seat Inoperative (Without Memory A45) Without Memory A45Heated Seat Inoperative (Dealer Installed, KA1) Heated Seat Inoperative (Dealer Installed, KA1)

* Cooled Seat Malfunction Cooled Seat Malfunction