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ENGINE
21
2.1.1.4 GENERAL SYMPTOMS DIAGNOSIS
NOTE
It is always advisable to first use the diagnostic tool and rectify the electrical faults, before commencing with me-
chanical repairs/ troubleshooting. Refer EMS section in this group for procedure.
SR.
NO.
COMPLAINT
CAUSE
REMEDY
1.
Engine does
not crank
•
Electrical connection loose/came out
•
Battery discharge
•
Starter Motor not working
•
Ignition switch defective
•
Correct them at proper place
•
Recharge/replace the battery
•
Repair/Replace the starter motor
•
Replace the main line switch
2.
Engine
Cranks but
does not start
•
No Diesel
•
Fuse for engine stop blown
•
Fuel filters choked
•
Air filter choked
•
Engine seized
•
Exhaust system choked
•
Hydrostatic lock due to blown cylin-
der head gasket
•
Valve train failure due to timing belt
failure/breakage
•
Glow plugs defective
•
Fill in Diesel
•
Replace the fuse.
•
Replace the fuel filters.
•
Replace the Air cleaner filter
•
Repair/Replace engine
•
Clean the exhaust system
•
Repair/Replace the engine
•
Repair/Replace the engine
•
Check / Replace
•
Clutch Switch faulty
•
Hold the Ignition key at crank posi-
tion for 10seconds. This will help
to crank the engine if starter motor
is in fail-safe condition operation.
•
Further Investigation on Clutch
Switch and Electrical Connection
to be done
•
Clutch switch electrical connection
faulty
•
Check the clutch switch electrical
connection & rectify the same in
case of unsuccessful / delayed
engine start.
•
Clutch Switch Faulty
•
Check the fault codes in case of
unsuccessful / delayed engine
start and rectify the fault
3
Engine Sei-
zure
•
Low coolant level
•
Cooling fan not working
•
Thermostat failure
•
Radiator hose leakage
•
Radiator leakage
•
Water pump defective/pump bearing
damaged.
•
Replace affected parts
•
Check belt tension
•
Replace affected parts
•
Replace affected parts
•
Replace affected parts
Replace affected parts.