For 1990-2009 cars only
Strategy Based Diagnostics
Review the system operations in order to familiarize yourself with the system functions. Refer to Driveline Disassembled Views and Driveline Support Assembly Description. All diagnosis on a vehicle should follow a logical process. Strategy based diagnostics is a uniform approach for repairing all systems. The diagnostic flow should always be used in order to resolve a system condition. The diagnostic flow is the place to start when repairs are necessary. For a detailed explanation, refer to Strategy Based Diagnosis .
Visual/Physical Inspection
| • | Inspect for aftermarket devices, which could affect the operation of the vehicle. Refer to Checking Aftermarket Accessories. |
| • | Inspect the easily accessible or visible system components for obvious damage or conditions, which could cause the symptom. |
| • | Verify the exact operating conditions under which the concern exists. Note factors such as vehicle speed, road conditions, ambient temperature, and other specifics. |
| • | Compare driving characteristics or sounds, if applicable, to a known good vehicle and make sure you are not trying to correct a normal condition. |
Intermittent
Text the vehicle under the same conditions that the customer reported in order to verify the system is operating properly.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
