GSIC - Global Service Information Center

### ECD SYSTEM > ECM Power Source Circuit

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK ECM TERMINAL VOLTAGE (+B TERMINAL)

CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND)

CHECK ECM TERMINAL VOLTAGE (IGSW TERMINAL)

INSPECT FUSE (IGN FUSE)

INSPECT IGNITION SWITCH ASSEMBLY

CHECK ECM TERMINAL VOLTAGE (MREL TERMINAL)

INSPECT FUSE (EFI FUSE)

INSPECT INTEGRATION RELAY (MAIN RELAY)

CHECK WIRE HARNESS (MAIN RELAY - ECM)