6.2 Troubleshooting
Engine does not rotate when starter is actuated.
Cause
Corrective action
Battery discharged or faulty.
u
Charge or replace (see special documentation).
Battery: Cable connections faulty.
u
Check if cable connections for secure seating (see special
documentation).
Starter: Incorrect design of power
supply (battery/cable)
u
Check starter power supply and correct the design if necessary
(battery/cable resistance).
Engine cabling faulty.
u
Assemblies or connectors on LOP
loose.
u
Inspect visually.
Plug connections on Engine
Control Unit loose.
u
Check plug connections (→ Page 251).
Plug connections on Engine
Interface Module (EIM) loose.
u
Check plug connections (→ Page 250).
Fuse F1 (→ Page 52) in engine
wiring harness faulty (fuse lamp
on EIM flashes with relevant
flashing code).
u
Check fuse, replace as necessary, and re-start system by actuating
key switch.
Engine blocked (crankshaft
cannot be rotated by hand).
1. Check start interlock (→ Page 247).
2. Contact Service.
Engine rotates when started but does not fire.
Cause
Corrective action
Poor turning on starter: Battery
discharged or faulty.
u
Charge or replace battery (see special documentation).
Engine cabling faulty.
u
Engine Control Unit faulty.
1. Replace (→ Page 252).
2. Contact Service.
Starter: Incorrect design of power
supply (battery/cable)
u
Check starter power supply and correct the design if necessary
(battery/cable resistance).
Engine fires unevenly.
Cause
Corrective action
Engine cabling faulty.
u
Injector defective.
u
Replace (→ Page 155).
Engine Control Unit faulty.
1. Replace (→ Page 252).
2. Contact Service.
MS150048/05E 2018-03
| Troubleshooting | 97
TIM-ID: 0000044073 - 004
Содержание 20V4000M93 series
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