ECD SYSTEM > PROBLEM SYMPTOMS TABLE

for Preparation Click here


HINT:
  1. 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.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.


ECD System 
Symptom
Suspected Area
See page
Engine does not crank (does not start)
Battery
-
Starter (for 1.6 kW type)
Click here
Starter (for 2.0 kW type)
Click here
Starter relay
Click here
Clutch start switch
Click here
Starter signal circuit
Click here
Difficult to start with cold engine
Engine difficult to start or stalling
Click here
Starter signal circuit
Click here
Pre-heating control circuit
Click here
Fuel injector
Click here
Fuel filter
-
Compression
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
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
-
Difficult to start with hot engine
Engine difficult to start or stalling
Click here
Starter signal circuit
Click here
Fuel injector
Click here
Fuel filter
-
Compression
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
Click here
Low fuel tank level
-
Fuel line (air bleeding)
Click here
VC output circuit
Click here
Battery deteriorated
-
Engine stalls soon after starting
Engine difficult to start or stalling
Click here
Fuel filter
-
Fuel injector
Click here
ECM power source circuit
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
Click here
Pressure control valve
Click here
Fuel line (air bleeding)
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
-
Fuel injector
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Pressure control valve
Click here
Engine coolant temperature sensor
Click here
Fuel with low cetane number used
-
A/C signal circuit
-
High engine idling speed (poor idling)
Rough idling or excessive engine vibrations
Click here
A/C signal circuit
-
Fuel injector
Click here
Starter signal circuit
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Pressure control valve
Click here
Engine coolant temperature sensor
Click here
Low engine idling speed (poor idling)
Rough idling or excessive engine vibrations
Click here
A/C signal circuit
-
Fuel injector
Click here
EGR system
Click here
Compression
Click here
Valve clearance
Click here
Fuel line (air bleeding)
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
Click here
Pressure control valve
Click here
Engine coolant temperature sensor
Click here
Rough idling (poor idling)
Rough idling or excessive engine vibrations
Click here
Hunting with hot engine (poor idling)
Fuel injector
Click here
ECM power source circuit
Click here
Compression
Click here
Fuel line (air bleeding)
Click here
Valve clearance
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
Click here
Pressure control valve
Click here
Engine coolant temperature sensor
Click here
Hunting with cold engine (poor idling)
Fuel injector
Click here
ECM power source circuit
Click here
Compression
Click here
Fuel line (air bleeding)
Click here
Valve clearance
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
Click here
Pressure control valve
Click here
Engine coolant temperature sensor
Click here
Fuel with low cetane number used
-
Hesitation/Poor acceleration (poor driveability)
Lack of power or hesitation
Click here
Fuel injector
Click here
Fuel filter
-
Nozzle leakage pipe assembly
-
EGR system
Click here
Compression
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
Click here
Pressure control valve
Click here
Turbocharger system
Click here
Diesel turbo pressure sensor
Click here
Knocking (poor driveability)
Engine knocking or rattling
Click here
Black smoke emitted (poor driveability)
Black smoke emitted
Click here
Fuel injector
Click here
EGR system
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
Click here
Pressure control valve
Click here
Mass air flow meter
Click here
Diesel turbo pressure sensor
Click here
White smoke emitted (poor driveability)
EGR system
Click here
Fuel injector
Click here
Fuel filter
-
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Diesel throttle body
Click here
Pressure control valve
Click here
Turbocharger system
Click here
Surging/Hunting (poor driveability)
Fuel injector
Click here
ECM
Click here
Supply pump
Click here
Fuel pressure sensor
Click here
Pressure control valve
Click here
Fuel filter
-
Turbocharger system
Click here
Vehicle speed sensor
-
Clutch start switch
Click here