
Group 23 EMS 2 Diagnostic function
45
SID250, Code 9.2 Data link faulty (J1708/J1587)
Reason:
•
Data link faulty.
Reaction:
•
Warning indicator.
Remedy:
•
Check that the 8-pin contact has not been dam-
aged.
•
Check that the cable harness between CIU/DCU
and the engine control module has not been dam-
aged.
•
Check that socket 22 and 37 in contacts on CIU
have not been damaged.
•
Check contact pressure in socket 33 and 34 in
the upper cable glove (A) to the engine control
module.
SID232, Code 9.3 Voltage feed to sensor
Reason:
•
Short.
•
Fault in oil pressure and/or charge air pressure
sensor.
Reaction:
•
Incorrect values from oil pressure- and charge air
pressure sensor.
•
Fault code for oil pressure- and charge air pres-
sure sensor.
•
Low engine output.
•
The instrument shows zero oil pressure and boost
pressure.
Remedy:
• Check that the cable harness to oil pressure- and
charge air pressure sensor has not been dam-
aged.
•
Check contact pressure in socket 7 in the upper
cable glove (A) to the engine control module.
•
Check oil pressure and charge air pressure sen-
sors.
SID 254, Code 9.8 Control module fault, CIU
Reason:
•
EEPROM, CIU, faulty
•
Flash memory, CIU faulty.
•
Fault in control module, CIU
Reaction:
•
CIU reverts to factory settings.
•
The engine runs to idle.
•
Engine cannot be started.
Remedy:
•
Replace CIU-unit.
SID 240, Code 9.9 Memory fault in EMS
Reason:
•
Engine control module memory fault.
Reaction:
•
Engine may not start.
Remedy:
•
Replace the engine control module.
SID 253, Code 9.9 Data set memory EEPROM
Reason:
•
Internal fault in the control module
•
Programming faulty.
Reaction:
•
Engine does not start.
Remedy:
•
Reprogram the control module. If the fault re-
mains, change the control module.
SID 254, Code 9.9 Control module EMS
Reason:
•
Internal fault in the control module.
Reaction:
•
Engine misfires.
•
Engine does not start.
Remedy:
•
Replace the engine control module.