ECD SYSTEM > PROBLEM SYMPTOMS TABLE |
| 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
|