36
Group 23 EDC III
Diagnostic function
74 Code 5.4
Cause:
Preheating relay. Connection interruption
Response:
Preheating cannot be activated.
Corrective action:
•
Check that the wiring to the input on the relay is
not damaged.
•
Check the function of the relay.
•
Check the contact pressure in sleeve 36 in the
red cable glove of the engine control unit (ECU).
75 Code 5.4
Cause:
Preheating relay. Short to negative (-).
Response:
Preheating is constantly activated.
Corrective action:
•
Check that the wiring to the input on the relay is
not damaged.
•
Check the function of the relay.
76 Code 5.4
Cause:
Preheating relay. Short to positive (+).
Response:
Preheating cannot be activated.
Corrective action:
•
Check that the wiring to the input on the relay is
not damaged.
•
Check the function of the relay.
183 Code 5.8
Cause
Oil temperature is too high.
Response:
Limited engine output (if this protective
feature has not been disabled by the parameter set-
ting tool). Alarm lamp lights.
Corrective action:
•
Check the oil level.
•
Check the oil temperature.
•
Check the oil system thermostat.
•
Check the function of the oil temperature sensor.
31 Code 6.1
Cause:
High coolant temperature.
Response:
TAD1240–42GE: Limited engine output (if
this protective feature has not been disabled by the
parameter setting tool). Alarm lamp lights.
TWD1240VE: Engine is switched off (if this protective
feature has not been disabled by the parameter set-
ting tool). Alarm indicator lights.
Corrective action:
•
Check the coolant level.
•
Check the intercooler (cleanness).
•
Check to see if there is air in the coolant system.
•
Check the pressure cap on the expansion tank.
•
Check the function of the coolant temperature
sensor.
•
Check the function of the thermostat.
60 Code 6.2
Cause
Intake air temperature is too high.
Response:
Engine output is limited to 50% (if this
protective feature has not been disabled by the para-
meter setting tool).
Corrective action:
•
Check the coolant level.
•
Check the intercooler (cleanness).
•
Check the function of the charge air temperature
sensor.
•
Check the function of the thermostat.
213 Code 6.4
Cause
Datalink (CAN) error, CIU.
Response:
Instruments and alarm lamps stop working.
Corrective action:
•
Check that the 8-pin connector is not damaged.
•
Check that the wiring between the CIU and the
engine control unit (ECU) is not damaged.
•
Check that sleeves 11 and 12 in the CIU connec-
tor are not damaged.
•
Check the contact pressure in sleeves 1 and 2 in
the red cable glove of the engine control unit
(ECU).
