Grand Vitara JS 2WD V6-2.5L (1999)
Engine Control Module: Component Tests and General Diagnostics
TABLE A-3 ECM (PCM) POWER AND GROUND CIRCUIT CHECK - MIL DOES NOT LIGHT AT IGNITION SWITCH ON AND
ENGINE DOES NOT START THOUGH IT IS CRANKED UP
WIRING DIAGRAM
CIRCUIT DESCRIPTION
When the ignition switch is turned ON, the main relay turns ON and the main power is supplied to ECM (PCM).
