Volvo Penta KAD/KAMD44P Operator's Manual page 92

Diagnostic function
Code 3.4 Gearshift control actuator
Cause: The control module receives no position signal
from the gearshift control actuator (drive) or the signal is
outside the permitted range.
Consequence: Shifting is not possible.
WARNING! Forward motion can only be stopped by
switching of the engine with the start key or the stop but-
ton.
Corrective action:
• Check the connections and wiring for the actuator and
contra module.
• Erase the diagnostic trouble code (DTC).
• Start the engine.
• Emergency shifting is possible if the fault remains: See
the "Fault-tracing" chapter.
Code 4.5 Alpha solenoid
Cause: Faulty signal from the control module for the Al-
pha Solenoid in the fuel injection pump.
Consequence: Engine power is reduced.
Corrective action:
• Check the injection pump and the control module con-
nections.
• Erase the diagnostic trouble code (DTC).
• Start the engine.
• Contact an authorised workshop if the fault persists.
Code 4.6 Starter relay
Cause: Short-circuit or open-circuit in the control voltage
for the starter relay.
Consequence: The engine cannot be started.
Corrective action:
• Check the fuses, connections and wiring for the starter
relay and control module.
• Erase the diagnostic trouble code (DTC).
• Start the engine.
• Contact an authorised workshop if the fault persists.
Code 5.1 Main relay
Cause: Short-circuit or open circuit in the wiring for the
main relay.
Consequence: The engine cannot be started or stopped.
Corrective action:
• Check the main relay and fuses, wiring and connections
for the main relay and the control module.
• Erase the diagnostic trouble code (DTC).
• Start the engine.
• Contact an authorised workshop if the fault persists.
90
Code 5.4 Forward gear
Cause: Short-circuit or open-circuit in the wiring for re-
verse gear/gearshift control actuator (drive) for the forward
gear.
Consequence: Shifting is not possible.
• Reverse gear: The gear is disengaged (if possible).
• Drive: The engine is stopped in the gear selected when
the fault occurred.
NOTE! The engine can be started as soon as the diag-
nostic trouble code (DTC) is flashed out.
WARNING! If the engine is started with a gear en-
gaged, forward motion can only be interrupted by
switching off the engine with the start key or the stop
button.
Corrective action:
• Check the wiring and the connections for the reverse
gear/actuator.
• Erase the diagnostic trouble code (DTC).
• Start the engine.
• Emergency shifting is possible if the fault remains: See
the "Fault-tracing" chapter.
Code 5.5 Reverse gear
Cause: Short-circuit or open-circuit in the wiring for re-
verse gear/gearshift control actuator (drive) for the reverse
gear.
Consequence: Shifting is not possible.
• Reverse gear: The gear is disengaged (if possible).
• Drive: The engine is stopped in the gear selected when
the fault occurred.
NOTE! The engine can be started as soon as the diag-
nostic trouble code (DTC) is flashed out.
WARNING! If the engine is started with a gear en-
gaged, forward motion can only be interrupted by
switching off the engine with the start key or the stop
button.
Corrective action:
• Check the wiring and the connections for the reverse
gear/actuator.
• Erase the diagnostic trouble code (DTC).
• Start the engine.
• Emergency shifting is possible if the fault remains: See
the "Fault-tracing" chapter.