AC - Testing Notes
NOTE: You should enter this Pinpoint Test only when you have been directed here from Quick Test or when directed here from Ignition Systems.REMEMBER
To prevent the replacement of good components, be aware that the following non-EEC areas may be at fault.
- Fuel: quality and quantity
- Ignition: general condition, moisture, cracks, damage, etc.
- Engine: internal, valves, timing belt, camshaft
- Starter and battery circuit
- Variable Reluctance Sensor (VRS)
- EDIS module
- Coil pack
This Pinpoint Test is intended to diagnose only the following:
- Spark (related to EEC-IV)
- Harness circuits: PIP, IGN GND, VPWR
- Processor assembly