Symptom | Suspected Area | See page |
Engine does not crank (does not start) |
Battery |
|
Starter |
|
Starter relay |
|
Park/neutral position switch |
|
Clutch start switch (for LHD) |
|
Clutch start switch (for RHD) |
|
Immobiliser system (w/ Entry and start system) |
|
Immobiliser system (w/o Entry and start system) |
|
Entry and start system |
|
Difficult to start with cold engine |
Engine difficult to start or stalling |
|
Cranking holding function circuit |
|
Pre-heating control circuit |
|
Fuel injector |
|
Fuel filter |
|
Compression |
|
ECM |
|
Fuel supply pump |
|
Fuel pressure sensor |
|
Diesel throttle body |
|
EDU relay |
|
Fuel with low cetane number used |
- |
Fuel frozen |
- |
Air mixed into fuel pipe |
- |
Difficult to start with hot engine |
Engine difficult to start or stalling |
|
Cranking holding function circuit |
|
Fuel injector |
|
Fuel filter |
|
Compression |
|
ECM |
|
Fuel sypply pump |
|
Fuel pressure sensor |
|
Diesel throttle body |
|
EDU relay |
|
Air mixed into fuel pipe |
- |
Battery deteriorated |
- |
Engine stalls soon after starting |
Engine difficult to start or stalling |
|
Fuel filter |
|
Fuel injector |
|
ECM power source circuit |
|
ECM |
|
Fuel supply pump |
|
Fuel pressure sensor |
|
Diesel throttle body |
|
Air mixed into fuel pipe |
- |
Immobiliser system activated |
- |
Engine stalls (not including the condition listed above) |
Engine difficult to start or stalling |
|
Abnormal initial idling (poor idling) |
Rough idling or excessive engine vibration |
|
Fuel filter |
|
Fuel injector |
|
ECM |
|
Fuel supply pump |
|
Fuel pressure sensor |
|
Mass air flow meter deteriorated |
- |
Fuel with low cetane number used |
- |
A/C signal circuit to ECM open and generator signal circuit open |
- |
High engine idling speed |
Rough idling or excessive engine vibration |
|
A/C signal circuit |
|
Fuel injector |
|
Cranking holding function circuit |
|
ECM |
|
Fuel supply pump |
|
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 |
|
Fuel injector |
|
EGR system |
|
Compression |
|
Fuel line (air bleeding) |
- |
ECM |
|
Fuel supply pump |
|
Fuel pressure sensor |
|
Diesel throttle body |
|
Mass air flow meter deteriorated |
- |
Rough idling (poor idling) |
Rough idling or excessive vibration |
|
Hunting with hot engine (poor idling) |
Fuel injector |
|
ECM power source circuit |
|
Compression |
|
Fuel line (air bleeding) |
- |
ECM |
|
Fuel supply pump |
|
Fuel pressure sensor |
|
Diesel throttle body |
|
Hunting with cold engine (poor idling) |
Fuel injector |
|
ECM power source circuit |
|
Compression |
|
Fuel line (air bleeding) |
- |
ECM |
|
Fuel supply pump |
|
Fuel pressure sensor |
|
Diesel throttle body |
|
Fuel with low cetane number used |
- |
Hesitation/Poor acceleration (poor driveability) |
Lack of power or hesitation |
|
Fuel injector |
|
Fuel filter |
|
EGR system |
|
Compression |
|
ECM |
|
Fuel supply pump |
|
Fuel pressure sensor |
|
Diesel throttle body |
|
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 |
|
Fuel injector |
|
Accumulation in exhaust system |
- |
Exhaust system blockage |
- |
White smoke emitted (poor driveability) |
EGR system |
|
Fuel injector |
|
Fuel filter |
|
ECM |
|
Fuel supply pump |
|
Fuel pressure sensor |
|
Diesel throttle body |
|
Pre-heating control circuit |
|
Low quality fuel |
- |
Surging/Hunting (poor driveability) |
Fuel injector |
|
ECM |
|
Mass air flow meter deteriorated |
- |
Fuel supply pump |
|
Fuel pressure sensor |
|
Turbocharger system |
|