SECTION 3 - INDUSTRIAL APPLICATION 71
VECTOR 8 ENGINES
Print P2D32V001E Base - April 2006
Symptom
Visible
trouble
Possible cause Repair Notes
Attributable to electrical malfunctioning:
Starting motor cables connected
improperly or not connected at all
Connect electrical cables properly
Starter motor defective. Replace starter motor.
(Changing the motor must be the last activity
to do if all the preceding checks have proved
negative).
The relay for starter motor shorted or
circuit open.
Check cable integrity before requesting relay
replacement
In this case the diagnosis is available in the
unit
Unit diagnosis inhibited at startup
Check diagnosis codes present in order to
verify the cause.
The engine will not
start.
No sign of starting.
Trouble in the ADEM III electronic control
unit.
(Short circuit)
Check unit cabling integrity before replacing
it
No enabled diagnosis is available (the unit is
damaged)
Crankshaft sensor: no signal or signal not
plausible.
Check the sensor is clean and correctly
secured.
Check the phonic wheel is clean and integral.
Check the integrity of the sensor (R ~
920
Ω).
If the sensor is integral, check the wiring
between the sensor connector (wiring side)
pin 1 and the XJ2 EDC connector pin 49,
between the sensor connector (wiring side)
pin 2 and the XJ2 EDC connector pin 48.
The engine fails to start because after a few
turns the control unit turns off the starter
motor.
This check cannot be made with the motor
fitted: it i s necessary to remove the flywheel
housing.
Total absence of
pressure in the rail
Pressure sensor damaged
Check the trouble level of sensor and wiring
and change the defective components.
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