Important Preliminary Inspections Before Starting

WARNING: This page is about a different variant/trim than selected.

Before using the Symptom tables, perform the following:

Perform DIAGNOSTIC SYSTEM CHECK - VEHICLE and verify all of the following items:
- Ensure that the engine control module (ECM) and malfunction indicator lamp (MIL) are operating correctly.
- Ensure that there are no diagnostic trouble codes (DTCs) that are stored.
- Scan tool data is within a normal operating range. Refer to Scan Tool Data List .
Verify the customer concern.
Perform the Visual/Physical Inspection in this information. The visual/physical inspection is extremely important, and can lead to correcting a condition without additional testing. It may also help reveal the cause of an intermittent condition.
Locate the correct symptom. Perform the tests and inspections associated with the symptom.