Inspection and Verification

Inspection and Verification

1. Verify the customer's original concern by operating the switches to duplicate the condition.
- In RUN without the engine running.
- In START before the ignition switch is released.
- In RUN with the engine running.

2. Inspect to determine if any of the following mechanical or electrical concerns apply:

Mechanical
- Damaged switch.
- Low fluid level (washer system).

Electrical
- Fuses.
- Circuit wiring.
- Switches or sending units.
- Generic electronic module.

3. If inspection reveals an obvious concern that can be readily serviced, correct the concern before continuing with Inspection and Verification.

4. If a concern remains after the inspection, use the New Generation STAR (NGS) Tester 007-00500, connected to the data link connector (DLC) to execute Self Test Diagnostics for the Generic Electronic Module (GEM).

5. If self test is passed and no diagnostic trouble codes (DTCs) are retrieved, GO to the Symptom Chart to continue diagnosis. Symptom Chart

6. If diagnostic trouble codes (DTCs) are retrieved, GO to the DTC Index to continue diagnostics.

7. If the Generic Electronic Module (GEM) cannot be accessed by the new generation STAR (NGS) tester, go to Pinpoint Test A.