1A
Engine Diagnosis General Description
This vehicle is equipped with an engine and emission control system which are under control of ECM.
There is a close relationship between the engine mechanical, engine cooling system, ignition system, exhaust system, etc. and the engine and emission control system in their structure and operation. In case of an engine trouble, even when the malfunction indicator lamp (MIL) doesn’t turn ON, it should be diagnosed according to
Engine and Emission Control System Check:M13A with VVT
.