Intermittent Failures
The term "intermittent failure" means a system may
have had a failure, but it checks OK now. If the
malfunction indicator lamp (MIL) on the dash does not
come on, check for poor
Electronic Control System
The functions of the fuel and emission control systems are managed by the
powertrain control module (PCM).
Self-diagnosis
The PCM detects a failure of a signal from a sensor
Overview
The audio unit acts as the "processor" for all audio functions. Select audio
functions from the audio unit, the audio
remote (on the steering wheel), or by using the navigation voice control system.
The audio display provides the
current audio status. For vehicles with navigation, additio
NOTE: Before you troubleshoot, record all freeze data and any on-board
snapshot, and review General Troubleshooting Information.
1. Warm up the engine to normal operating
temperature (the radiator fan comes on).
2. Make sure that the transmission is filled to the
proper level, and check for fluid