ECD SYSTEM(w/ Glow Plug Controller) PROBLEM SYMPTOMS TABLE

Tip:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Table 1. ECD System
Symptom	Suspected Area	Link
Engine does not crank (does not start)	Engine immobiliser system (w/ entry and start system)	Click here Click here
	VC output circuit	Click here
	ECM power source circuit	Click here
	Battery	Click here
	Starter (w/ stop and start system)	Click here
	Starter (w/o stop and start system)	Click here
	ST NO. 1 relay	Click here
	Park/neutral position switch (for multi-mode manual transaxle models)	Click here
	Clutch pedal switch assembly (for manual transaxle models)	Click here
	Engine difficult to start or stalling	Click here
	Entry and start system (for start function) (w/ entry and start system)	Click here
	Starter signal circuit (w/o entry and start system)	Click here
	Stop and start system (w/ stop and start system)	Click here
Difficult to start with cold engine	Engine difficult to start or stalling	Click here
	Cranking holding function circuit (w/ entry and start system)	Click here
	Starter signal circuit (w/o entry and start system)	Click here
	Glow plug assembly	Click here
	Injector assembly	Click here
	Fuel filter	-
	Compression	Click here
	ECM	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Low fuel tank level	-
	Fuel line (air bleeding)	Click here
	VC output circuit	Click here
	Fuel with low cetane number used	-
	Fuel frozen	-
	ECM	Click here
Difficult to start with hot engine	Engine difficult to start or stalling	Click here
	Cranking holding function circuit (w/ entry and start system)	Click here
	Starter signal circuit (w/o entry and start system)	Click here
	Injector assembly	Click here
	Fuel filter	-
	Compression	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Low fuel tank level	-
	Fuel line (air bleeding)	Click here
	VC output circuit	Click here
	Battery deteriorated	-
	ECM	Click here
Engine stalls soon after starting	Engine difficult to start or stalling	Click here
	Fuel filter	-
	Injector assembly	Click here
	ECM power source circuit	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Pressure control valve (common rail assembly)	Click here
	Fuel line (air bleeding)	Click here
	ECM	Click here
Engine stalls (other than the conditions listed above)	Engine difficult to start or stalling	Click here
Abnormal initial idling (poor idling)	Rough idling or excessive engine vibrations	Click here
	Fuel filter	-
	Injector assembly	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Pressure control valve (common rail assembly)	Click here
	Engine coolant temperature sensor	Click here
	Fuel with low cetane number used	-
	A/C signal circuit	-
	ECM	Click here
High engine idling speed (poor idling)	Rough idling or excessive engine vibrations	Click here
	A/C signal circuit	-
	Injector assembly	Click here
	Cranking holding function circuit (w/ entry and start system)	Click here
	Starter signal circuit (w/o entry and start system)	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Pressure control valve (common rail assembly)	Click here
	Engine coolant temperature sensor	Click here
	ECM	Click here
Low engine idling speed (poor idling)	Rough idling or excessive engine vibrations	Click here
	A/C signal circuit	-
	Injector assembly	Click here
	EGR system	Click here
	Compression	Click here
	Valve clearance	Click here
	Fuel line (air bleeding)	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Pressure control valve (common rail assembly)	Click here
	Engine coolant temperature sensor	Click here
	ECM	Click here
Rough idling (poor idling)	Rough idling or excessive engine vibrations	Click here
Hunting with hot engine (poor idling)	Injector assembly	Click here
	ECM power source circuit	Click here
	Compression	Click here
	Fuel line (air bleeding)	Click here
	Valve clearance	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Pressure control valve (common rail assembly)	Click here
	Engine coolant temperature sensor	Click here
	ECM	Click here
Hunting with cold engine (poor idling)	Injector assembly	Click here
	ECM power source circuit	Click here
	Compression	Click here
	Fuel line (air bleeding)	Click here
	Valve clearance	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Pressure control valve (common rail assembly)	Click here
	Engine coolant temperature sensor	Click here
	Fuel with low cetane number used	-
	ECM	Click here
Hesitation/Poor acceleration (poor driveability)	Lack of power or hesitation	Click here
	Injector assembly	Click here
	Fuel filter	-
	Nozzle leakage pipe assembly	-
	EGR system	Click here
	Compression	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Pressure control valve (common rail assembly)	Click here
	Turbocharger system	Click here
	Diesel turbo pressure sensor	Click here
	Brake override system	Click here
	ECM	Click here
Knocking (poor driveability)	Engine knocking or rattling	Click here
Black smoke emitted (poor driveability)	Black smoke emitted	Click here
	Injector assembly	Click here
	EGR system	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Pressure control valve (common rail assembly)	Click here
	Mass air flow meter	Click here
	Diesel turbo pressure sensor	Click here
	ECM	Click here
White smoke emitted (poor driveability)	EGR system	Click here
	Injector assembly	Click here
	Fuel filter	-
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Diesel throttle body assembly	Click here
	Pressure control valve (common rail assembly)	Click here
	Turbocharger system	Click here
	ECM	Click here
Surging/Hunting (poor driveability)	Injector assembly	Click here
	Supply pump assembly	Click here
	Fuel pressure sensor (common rail assembly)	Click here
	Pressure control valve (common rail assembly)	Click here
	Fuel filter	-
	Turbocharger system	Click here
	Vehicle speed sensor	-
	Park/neutral position switch assembly (for multi-mode manual transaxle models)	Click here
	Clutch pedal switch assembly (for manual transaxle models)	Click here
	ECM	Click here
DPF warning light illuminated or DPF warning message displayed	No. 2 exhaust manifold (DPF catalytic converter)	Click here