Test Notes

You should enter this Pinpoint Test only when directed here.

This Pinpoint Test is intended to diagnose the following:
- Intake Air Temperature (IAT) Sensor
- Engine Coolant Temperature ECT) Sensor
Harness Circuits: IAT, ECT and SIG RTN
- Powertrain Control Module (PCM)


DESCRIPTION
For additional information on the ECT sensor and IAT sensor, refer to Description and Operation / EEC-V Software and Hardware / EEC-V Hardware / PCM Related Inputs.

For additional information on the Comprehensive Component Monitor, refer to Description and Operation / On Board Diagnostics II System Monitors.