44
Group 23 EDC III
Diagnostic function
34 Code -
Cause:
The diagnostic lamp (linked to the Stand Alone
interface). Short to positive (+).
Response:
The diagnostic lamp does not light during
a lamp test. No error codes can be read out.
Corrective action:
•
Check that the wiring to the lamp is not damaged.
•
Check that the lamp is correctly mounted.
57 Code -
Cause:
The charge air pressure is too high.
Response:
None.
Corrective action:
•
Check the function of the turbocharger.
•
Check the function of the charge air pressure sen-
sor.
•
Check the fuel quantity/unit injector.
58 Code -
Cause:
The charge air pressure is too low.
Response:
The engine has decreased performance.
Corrective action:
•
Check the function of the air filter.
•
Check the function of the turbocharger.
•
Check the function of the charge air pressure sen-
sor.
•
Check the fuel feed pressure.
63 Code -
Cause:
Voltage feed to sensor. Short to positive (+).
Response:
Several error codes for sensor error.
Corrective action:
•
Check the contact pressure in sleeve 5 in the
black cable glove of the engine control unit
(ECU).
64 Code -
Cause:
Voltage feed to sensor. Short to negative (-).
Response:
Several error codes for sensor error.
Corrective action:
•
Check the contact pressure in sleeve 4 in the
black cable glove of the engine control unit
(ECU).
173 Code -
Cause
Datalink (J1708) error, engine control unit
(ECU).
Response:
Diagnostic lamp shows only CIU internal
errors.
Corrective action:
•
Check that the 8-pin connector is not damaged.
•
Check that the 8-pin cable between the CIU and
the engine control unit (ECU) is not damaged.
•
Check that pin/sleeve 22 and 37 in the connector
on the CIU are not damaged.
•
Check the contact pressure in sleeves 25 and 26
in the red cable glove of the engine control unit
(ECU).
176 Code -
Cause:
Monitor for water in the fuel or low fuel pressure.
Short to positive (+).
Response:
None.
Corrective action:
•
Check that the wiring is not damaged.
186 Code -
Cause:
Memory error in the engine control module
(EMS).
Response:
Engine will not start.
Corrective action:
•
Replace the engine control unit (ECU).
