Technical data

Troubleshooting 5–01
5.1 Troubleshooting
Engine does not turn when starter is actuated
Component Probable Cause
Task
Low or defective Charge or replace (see manufacturer’s
documentation).
Battery
Cable connections defective Check if cable connections are
properly secured (see manufacturer’s
documentation).
Starter Engine wiring or starter defective Check if cable connections are p roperly
secured, contact Service.
Engine wiring Defective Check (→ Page 6 – 62).
Engine/generator control system Secure seating of assemblies or
connectors not provided
Perform visual inspection (see
manufacturer’s documentation).
ECU Plug-in connections are loose Check plug-in connections (→ Page 6 – 65).
Engine Running gear blocked (engine
cannot be barred manually)
Contact Service.
Engine turns but does not fire
Component Probable Cause
Task
Starter Poor rotation by starter: Battery
low or defective
Charge or replace battery (see
manufacturer’s documentation).
Engine wiring Defective Check (→ Page 6 – 62).
Fuel system Not vented Vent fuel system (→ Page 6 – 23).
ECU Defective Contact Service.
Engine fires unevenly
Component Probable Cause
Task
Injector defective Replace (→ Page 6 – 18).Fuel injection equipment
Injection pump defective Replace (→ Page 6 – 15).
Engine wiring Defective Check (→ Page 6 – 62).
Fuel system Not vented Vent fuel system (→ Page 6 – 23).
ECU Defective Contact Service.
M015560/00E 03-05 ©MTU