32
Group 23 EDC III
Diagnostic function
67 Code 3.4
Cause:
Charge air pressure sensor. Short to positive (+).
Response:
The engine smokes more than it usually
does when accelerating/under loading.
Corrective action:
•
Check that the wiring to the charge air pressure
sensor is not damaged.
•
Check the function of the charge air pressure sen-
sor.
68 Code 3.4
Cause 1:
Charge air pressure sensor. Interrupted or
shorted to negative (-).
Response:
The engine smokes more than it usually
does when accelerating/under loading.
Corrective action:
•
Check that the connector of the charge air pressu-
re sensor is fitted correctly.
•
Check that the wiring to the charge air pressure
sensor is not damaged.
•
Check that the charge air pressure sensor is fitted
correctly.
•
Check the function of the charge air pressure sen-
sor.
•
Check the contact pressure in
sleeve 3 in the
black cable glove of the engine control unit
(ECU).
184 Code 3.7
Cause:
Oil temperature sensor. Interrupted or shorted
to positive (+).
Response:
None.
Corrective action:
•
Check that the wiring to the oil temperature sen-
sor is not damaged.
•
Check that the oil temperature sensor is correctly
connected.
•
Check the contact pressure in
sleeve 1 in the
black cable glove of the engine control unit
(ECU).
185 Code 3.7
Cause:
Oil temperature sensor. Short to negative (-).
Response:
None.
Corrective action:
•
Check that the wiring to the oil temperature sen-
sor is not damaged.
•
Check that the oil temperature sensor is correctly
connected.
200 Code 4.1
Cause:
Oil pressure alarm, circuit interrupted.
Response:
Alarm lamp does not work. If the circuit is
interrupted during start-up, diagnostics are deacti-
vated.
Corrective action:
•
Check the alarm lamp.
•
Check that the wiring to the alarm lamp is not da-
maged.
•
Check sleeve ”L” in the 23-pin connector.
•
Check the contact pressure in
sleeve 35 in the
red cable glove of the engine control unit (ECU).
201 Code 4.1
Cause:
Oil pressure alarm. Short to negative (-).
Response:
Alarm lamp lights constantly
Corrective action:
•
Check that the wiring and connection to the alarm
lamp are not damaged.
202 Code 4.1
Cause:
Oil pressure alarm. Short to positive (+).
Response:
Alarm lamp does not work. If the circuit is
interrupted during start-up, diagnostics are deacti-
vated.
Corrective action:
•
Check that the wiring and connection to the alarm
lamp are not damaged.
