For 1990-2009 cars only
Important: Perform the Diagnostic System Check -
Transfer Case before using the symptom tables, in order to verify that the
following conditions are true:
• DTCs are not set. • 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 in Wiring Systems. Some symptoms may be caused by loose wiring. Be sure to 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:
