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
NOTE:
The MICU turns on the headlights (high beams) in a dim mode for the
daytime running lights under the following
conditions:
The ignition switch is ON (II)
The headlight switch is OFF
The parking brake is released (parking brake switch OFF)
If the vehicle is equipped with an opti
NOTE: Before you troubleshoot. record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
1. Turn the ignition switch ON (II).
2. Do the ETCS TEST in the INSPECTION MENU with
the HDS.
Is the RELAY circuit OK? YES-Intermittent failure, the system is OK a