Important Preliminary Inspections Before Starting
Before using this section, perform the
Diagnostic System Check - Vehicle
in Vehicle
DTC Information and verify all of the following conditions:
| • | The engine control module (ECM) and the malfunction indicator lamp (MIL)
are operating correctly. |
| • | Diagnostic trouble codes (DTCs) are not stored. |
| • | Verify the customer concern and locate the correct symptom. Inspect the
items indicated under that symptom. |
| • | Several of the symptom procedures ask for a careful visual/physical inspection.
This step is extremely important, and can lead to correcting a condition without
further inspections and can save valuable time. |
| • | If the intermittent condition exists as a start and then stall, inspect
for any DTCs related to the theft deterrent system. Refer to
Diagnostic System Check - Vehicle
in Vehicle DTC Information. |
| • | Verify the proper installation of any of the following non-original equipment
accessories: |
| • | Non-factory installed alarm |
- Use the following tables when diagnosing a symptom concern:
- If the condition can not be isolated using the appropriate table, refer
to
Intermittent Conditions
for further diagnosis.
