Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Air Suspension
before using the Symptom Tables in order to verify
that there are no DTCs set.
- Review the system description and operation in order to familiarize
yourself with the system functions. Refer to:
Air Suspension Description and Operation
Visual/Physical Inspection
• | Inspect the easily accessible or visible system components for
obvious damage or conditions which could cause the symptom. |
• | Inspect the air springs for damage or leaks. |
• | Inspect the air lines to air springs and inflator valve for leaks,
damage or kinks. |
• | Inspect the air lines and inflator valve fittings for leaks. |
• | Inspect the inflator valve for leaks. |
• | Inspect the height sensors and sensor links for any damage or
disconnected components. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent
conditions. Refer to
Testing for Electrical Intermittents
in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order
to diagnose the symptom: