Symptoms - HVAC Systems - Automatic
Symptoms - HVAC Systems - Automatic |
Note | ||
1. |
Perform the
Diagnostic System Check - Vehicle
before using the Symptom Tables in order to verify that all of the following conditions are true:
|
• |
There are no DTCs set.
|
• |
The control modules can communicate via the serial data link.
|
Visual/Physical Inspection |
• |
Inspect for aftermarket devices which may affect the operation of the Steering Wheel Controls System. Refer to
Checking Aftermarket Accessories
.
|
• |
Inspect for easily accessible or visible system components for obvious damage or conditions which may 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 .
Symptom List |
Refer to HVAC System Malfunction in order to diagnose the symptom.