For 1990-2009 cars only
Important: Perform the
Diagnostic System Check - Vehicle
before using the symptom tables, in order to verify the following conditions are true:
• There are no diagnostic trouble codes (DTCs) present. • The control modules can communicate via the serial data link.
| • | Review the system operation in order to familiarize yourself with the system functions. Refer to Transfer Case Description and Operation . |
| • | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
| • | Inspect the automatic transfer case for the proper fluid level. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections . Some symptoms may be caused by loose wiring. Test the system after moving or connecting harnesses, but before replacing parts.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
