Test Notes
NOTE: You should enter this Pinpoint Test only when directed here.REMEMBER
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 Engine Coolant Temperature (ECT) sensor and Intake Air Temperature (IAT) sensor, refer to Description and Operation / EEC-V Software and Hardware / PCM Related Inputs.
For additional information on the Comprehensive Component Monitor, refer to Description and Operation / On Board Diagnostics System Monitors.