INSPECT GLOW PLUG RELAY ASSEMBLY
INSPECT GLOW PLUG ASSEMBLY (RESISTANCE)
CHECK GLOW PLUG ASSEMBLY (INSTALLATION)
CHECK HARNESS AND CONNECTOR (GLOW PLUG RELAY - ECM)
CHECK HARNESS AND CONNECTOR (GLOW PLUG RELAY - INTEGRATION RELAY)
CHECK ECM POWER SOURCE CIRCUIT
CHECK HARNESS AND CONNECTOR (GLOW PLUG - GLOW PLUG RELAY - BATTERY)