Page 469 - Foton Workshop Manual - Auman EST-M

Diagnosis - Mechanical fault diagnosis DI - 415

Failure phenomenon Possible reason Failure elimination IN

Battery cable loose, broken or corroded Check the battery cable and connection
DI
Check the status of battery If necessary, replace
Battery cell broken
the battery
EG
Check the voltage regulator If necessary, replace
Generator overcharged Voltage regulator failure
the voltage regulator
TR
Current electric error code is current or
Read the error codes and perform service on the
non-current error code high frequency
failures in corresponding with the error codes AX
counter

Coolant level higher than specification Check the coolant level
FR
Check if the cooling water pipes and relevant
External coolant leaking
parts leak
ST
Radiator cover not correct or failed or low
Check the radiator pressure cover
specification in standing pressure
BR
Cooling system hose blocked or leaking Check the radiator hose
BW
Filling pipe or degassing pipe blocked, Check if the degassing pipe and filling pipe are

choked or pipeline arrangement not correct arranged correctly and if they are blocked
EL
Engine too hot

Air or burnt mixed gas getting into the Check if there is air or burnt mixed gas in the
Coolant loss
cooling system cooling system

Check if there is coolant leakage in the engine oil
Engine oil cooler leaking
cooler

Air compressor cylinder head cracked Check if there is coolant mark on the intake and

or with holes or gasket leaking exhaust pipes of air compressor

Perform pressure test for the cooling system and
Internal coolant leaking
check if there is any leakage in coolant

Cylinder head gasket leaking Check the cylinder heand gasket

Perform the pressure test for the cylinder head
Cylinder head or body cracked
and check the cylinder body

DI-415