Group 23 EMS 2 Diagnostic function
39
PID175, Code 3.7 Oil temperature sensor
Reason:
Shorted to plus (+) or minus (-).
Break.
Reaction:
None.
Remedy:
Check that the cable harness to the oil tempera-
ture sensor has not been damaged.
Check that the oil temperature sensor has been
connected correctly.
Check contact pressure in socket 31 in the upper
cable glove (A) to the engine control module.
PID 94, Code 3.8 Fuel pressure
Reason:
Low feed pressure.
Reaction:
Warning indicator.
Remedy:
Check if it is possible to increase pressure using
the hand pump.
Check fuel filter.
Check fuel pre-filter.
PID 158, Code 3.9 Battery voltage
Reason:
Alternator faulty.
Battery, battery cables faulty.
Reaction:
Warning indicator.
Remedy:
Check feed voltage from the control module.
PPID 5, Code 5.1 Main relay
Reason:
Shorted to plus (+).
Reaction:
The instrument panel is disconnected from power
when the key is turned to start position. Engine
can not be started.
Remedy:
Check that the cable harness to the relay has not
been damaged.
Check relay function.
PPID 4, Code 5.2 Start input, CIU
Reason:
Shorted to minus (-).
Activated for too long.
Reaction:
The engine cannot be started.
The engine starts immediately when ignition is
turned on.
Remedy:
Check that connections to the ignition key have
not been damaged.
Check that the cable harness to the ignition key
has not been damaged.
PPID 6, Code 5.3 Stop input CIU
Reason:
Shorted to minus (-).
Break.
Activated for too long.
Reaction:
The engine can only be stopped with the auxiliary
stop (AUX STOP) on the engine.
Engine stops. A fault code is displayed for 40
seconds and the engine can not be started during
this time. When a fault code is active, the engine
can be started but not stopped.
Remedy:
Check that connections to the ignition key have
not been damaged.
Check that the cable harness to the ignition key
has not been damaged.
PID 45, Code 5.4 Pre-heating relay
Reason:
Shorted to plus (+) or minus (-).
Break.
Reaction:
Pre-heating cannot be activated.
Pre-heating is constantly connected.
Remedy:
Check that the cable harness to the relay input
has not been damaged.
Check relay function.
Check contact pressure in socket 25 in the lower
cable glove (B) to the engine control module.

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