Page 501 - Foton Workshop Manual - Tunland (AT)
P. 501
DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-355
Fault phenomenon Possible reasons Refer to
2. Fuel pipe
3. ECM
4. Accelerator pedal PTO or cruise control mode,
5. Fuel injector motor is unstable idling 04
6. Gearbox
7. Turbocharger
1. Electronic throttle valve or Chapter 04 Diagnosis- the
Low idle adjustment switch electronic throttle circuit motor control system, low idle
malfunction
2. ECM adjustment switch malfunction
1. Engine accessory belt
Chapter 04 Diagnosis- the
The generator doesn't charge 2. Charging system circuit motor control system,
or charge enough 3. Engine generator doesn't charge or
charge enough
4. Battery
1. Charging system circuit
Chapter 04 Diagnosis- the
Generator is over charged 2. Engine motor control system,
generator is over charged
3. Battery
1. Cooling system
2. Oil condenser Chapter 04 Diagnosis- the
Coolant mixed with oil or motor control system, coolant
3. Cylinder cover
transmission oil mixed with oil or transmission
4. Cylinder gasket oil
5. Cylinder block
Chapter 04 Diagnosis- the
The coolant mixed with fuel 1. Coolant motor control system, coolant
mixed with fuel
1. Cooling system
2. Cylinder block
3. Cylinder cover Chapter 04 Diagnosis- the
Coolant loss - Internal motor control system, coolant
4. Water pump loss - Internal
5. Oil condenser
6. Cylinder gasket
1. Cooling system
Chapter 04 Diagnosis- the
2. Radiator
Coolant loss - Exterior motor control system, coolant
3. Radiator cover loss - Exterior
4. Cooling pipe
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