ECD SYSTEM (w/o DPF) PROBLEM SYMPTOMS TABLE
Tech Tips
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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Engine does not crank (does not start) | Battery | |
| Starter (for 2.2 kW Type) | ||
| Starter (for 2.7 kW Type) | ||
| Starter (for 3.0 kW Type) | ||
| Starter relay | ||
| Clutch pedal switch | ||
| Entry and start system | ||
| Difficult to start with cold engine | Engine difficult to start or stalling | |
| Starter signal circuit | ||
| Pre-heating control circuit | ||
| Injector assembly | ||
| Fuel filter element sub-assembly | ||
| Compression | ||
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Diesel throttle body assembly | ||
| EDU relay | ||
| Fuel with low cetane number used | - | |
| Fuel frozen | - | |
| Air mixed into fuel pipe | - | |
| No initial combustion (does not start) | VC output circuit | |
| Difficult to start with hot engine | Engine difficult to start or stalling | |
| Starter signal circuit | ||
| Injector assembly | ||
| Fuel filter element sub-assembly | ||
| Compression | ||
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Diesel throttle body assembly | ||
| EDU relay | ||
| Air mixed into fuel pipe | - | |
| Battery deteriorated | - | |
| Engine stalls soon after starting | Engine immobiliser system (w/ Entry and start system) | |
| Engine immobiliser system (w/o Entry and start system) | ||
| Engine difficult to start or stalling | ||
| Injector assembly | ||
| Fuel filter element sub-assembly | ||
| ECM power source circuit | ||
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Diesel throttle body assembly | ||
| Air mixed into fuel pipe | - | |
| Engine stalls (not including the conditions listed above) | Engine difficult to start or stalling | |
| Abnormal initial idling (poor idling) | Rough idling or excessive engine vibration | |
| Injector assembly | ||
| Fuel filter element sub-assembly | ||
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Mass air flow meter deteriorated | - | |
| Fuel with low cetane number used | - | |
| A/C signal circuit and/or generator signal circuit open | - | |
| High engine idling speed | Rough idling or excessive engine vibration | |
| A/C signal circuit | - | |
| Injector assembly | ||
| Starter signal circuit | ||
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Speed sensor circuit open | ||
| Accelerator pedal | ||
| Low engine idling speed (poor idling) | Rough idling or excessive engine vibration | |
| A/C signal circuit | - | |
| Injector assembly | ||
| EGR system | ||
| Compression | ||
| Fuel line (air bleeding) | - | |
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Diesel throttle body assembly | ||
| Mass air flow meter deteriorated | - | |
| Rough idling (poor idling) | Rough idling or excessive vibration | |
| Hunting with hot engine (poor idling) | Injector assembly | |
| ECM power source circuit | ||
| Compression | ||
| Fuel line (air bleeding) | - | |
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Diesel throttle body assembly | ||
| Hunting with cold engine (poor idling) | Injector assembly | |
| ECM power source circuit | ||
| Compression | ||
| Fuel line (air bleeding) | - | |
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Diesel throttle body assembly | ||
| Fuel with low cetane number used | - | |
| Hesitation/poor acceleration (poor driveability) | Lack of power or hesitation | |
| Injector assembly | ||
| Fuel filter element sub-assembly | ||
| EGR system | ||
| Compression | ||
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Diesel throttle body assembly | ||
| Accelerator pedal | ||
| Turbocharger system | ||
| Mass air flow meter deteriorated | - | |
| Intake system blockage | - | |
| Exhaust system blockage | - | |
| Brake override system | ||
| Knocking (poor driveability) | Engine knocking or rattling | |
| Black smoke emitted (poor driveability) | Black smoke emitted | |
| EGR system | ||
| Injector assembly | ||
| Exhaust system blockage | - | |
| White smoke emitted (poor driveability) | EGR system | |
| Injector assembly | ||
| Fuel filter element sub-assembly | ||
| ECM | ||
| Suction control valve | ||
| Fuel pressure sensor | ||
| Diesel throttle body assembly | ||
| Pre-heating control circuit | ||
| Low quality fuel | - | |
| Surging/hunting (poor driveability) | Injector assembly | |
| ECM | ||
| Mass air flow meter deteriorated | - | |
| Suction control valve | ||
| Fuel pressure sensor | ||
| Turbocharger system |