Connect GDS with 'DATA LINK CONNECTOR'(DLC).
Warm engine up to normal operating temperature.
Turn all the electrical devices including air conditioner OFF.
Perform "MIL (ENGINE CHECK)" of "ACTUATION TEST" with GDS.
Specification : MIL lamp turned on after start button pressed.
Fig.1) Actuation Test of MIL lamp : MIL lamp turned on after start button pressed.