GSIC - Global Service Information Center

### ECD SYSTEM > Pre-heating Control Circuit

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT GLOW RELAY

INSPECT GLOW FUSE

INSPECT GLOW PLUG ASSEMBLY (RESISTANCE)

CHECK GLOW PLUG ASSEMBLY (INSTALLATION)

CHECK HARNESS AND CONNECTOR (GLOW RELAY - ECM, GLOW RELAY - BODY GROUND)

CHECK HARNESS AND CONNECTOR (GLOW PLUG - GLOW RELAY, BATTERY - GLOW RELAY)

CHECK ECM TERMINAL VOLTAGE (GREL TERMINAL)

CHECK ECM TERMINAL VOLTAGE (BATT TERMINAL)