Stop Solenoid Fault - Volvo D1-13 B Workshop Manual

Group 30: Electrical system

Stop solenoid fault

Stop solenoid
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Fault indication
Tachometer:
The tachometer LCD screen will show a flashing
warning icon and the alarm buzzer sound.
Alarm display:
The warning indication flashes in the alarm display +
audible warning.
Symptom
The engine can not be shut down by pressing the
stop button.
Cable description
The stop solenoid is an electromagnetic relay. When
the stop button is pushed the stop solenoid is activat-
ed by the MDI output pin 4. The stop solenoid shuts
off the fuel supply at the injection pump.
Fault tracing
Fault conditions
The stop solenoid does not function properly.
Possible reason
• Open circuit in the wiring between the stop sole-
noid and the MDI.
• Short circuit in the wiring between the stop sole-
noid and the MDI.
• Faulty stop solenoid.
Suitable action
1. Check all wiring and connectors between the stop
solenoid and the MDI.
2. Check the stop solenoid.
Malfunctions
35