6.2 Troubleshooting
Engine does not turn when starter is actuated
Cause
Corrective action
Battery low or faulty
u
Charge or replace (see manufacturer's documentation).
Battery: Cable connections
faulty
u
Check if cable connections are properly secured (see
manufacturer's documentation).
Engine cabling or starter faulty
u
Check firm seating of cable connections, contact Service.
Engine cabling defective
u
Check (→ Page 137).
Loose plug connections on
Engine Control Unit
u
Check plug connections (→ Page 140).
Loose plug connections on
Engine Interface Module (EIM)
u
Check plug connections (→ Page 142).
Fuse F1 in engine wiring harness
defective (fuse lamp on EIM
flashes with relevant flashing
code)
u
Check fuse (replace if required) and re-start the system by
actuating the key switch.
Running gear blocked (engine
cannot be barred manually)
u
Contact Service.
Engine turns on starting but does not fire
Cause
Corrective action
Poor rotation by starter: Battery
low or faulty
u
Charge or replace battery (see manufacturer's documentation).
Engine cabling defective
u
Check (→ Page 137).
Air in fuel system
u
Vent fuel system (→ Page 95).
Engine Control Unit defective
u
Contact Service.
Engine fires unevenly
Cause
Corrective action
Injector faulty
u
Replace (→ Page 92).
Engine cabling defective
u
Check (→ Page 137).
Air in fuel system
u
Vent fuel system (→ Page 95).
Engine Control Unit defective
u
Contact Service.
Engine does not reach nominal speed
Cause
Corrective action
Fuel prefilter clogged
u
Replace (→ Page 103).
Easy-change fuel filter clogged
u
Replace (→ Page 96).
Air supply: Air filter clogged
u
Check signal ring position of service indicator (→ Page 108).
Fuel injection: Injector faulty
u
Replace (→ Page 92).
Engine cabling defective
u
Check (→ Page 137).
Engine: Overload
u
Contact Service.
M015655/05E 2015-06
| Troubleshooting | 69
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