Table A-5 Ecm (Pcm) Power And Ground Circuit Check - Suzuki 2000 Grand Vitara SQ625 Service Manual

TABLE A-5 ECM (PCM) POWER AND GROUND CIRCUIT CHECK – MIL DOESN'T LIGHT AT
IGNITION SWITCH ON AND ENGINE DOESN'T START THOUGH IT IS CRANKED UP.
WIRING DIAGRAM
1. To ignition switch
2. Main fuse
3. Main relay
CIRCUIT DESCRIPTION
When the ignition switch is turned ON, the main relay turns ON (the contact point closes) and the main power is
supplied to ECM (PCM).
C51-3-4
C51-3-6 C51-3-15
C51-3-17
ENGINE DIAGNOSIS (G16 / J20 ENGINES) 6-43
C51-3-20
C51-2-28