DA - Testing Notes

NOTE: You should enter this Pinpoint Test only when you have been directed here form Quick Test.


REMEMBER

To prevent the replacement of good components, be aware that the following non-EEC areas may be at fault.

- Coolant level

- Cooling system

- Electro drive cooling fan

- Water pump drive belt

- Engine operating temperature

- Engine oil level

- Thermostat

- Air cleaner duct

- Ambient temperature

This Pinpoint Test is intended to diagnose only the following:

- ACT sensor

- ECT sensor

- Harness circuit: ACT, ECT, and SIG RTN

- Processor assembly