Operating instructions

Fault code Alarm text Meaning Task
Automatic engine shutdown
(depending on project de-
sign).
122 L1 T-ELECTRONIC Temperature in ECU housing
too high (1st limit)
1.
Improve engine room ventila-
tion.
2.
Reduce engine power.
134 15V POS ECU DEFECT Electronic equipment defec-
tive;
Automatic engine shutdown.
Contact Service.
136 15V NEG ECU DEFECT Electronic equipment defec-
tive;
Automatic engine shutdown.
Contact Service.
137 L1 5V BUFFER TEST Power supply for pressure
sensors defective
1.
Disconnect connectors X2 and
X3 from ECU. If alarm does not
disappear: Contact Service.
2.
Check wiring (pressure sen-
sors).
3.
Contact Service.
138 SENSORPOWERDE-
FECT
Power supply for pressure
sensors defective
1.
Disconnect connectors X2 and
X3 from ECU. If alarm does not
disappear: Contact Service.
2.
Check wiring (pressure sen-
sors).
3.
Contact Service.
139 L1 TE BUFFER TEST Internal electronic fault
(temperature sensors)
Contact Service.
140 TE BUF. ECU DEFECT Internal electronic fault
(temperature sensors)
Contact Service.
142 BANK1 ECU DEFECT Internal electronic fault;
Engine does not start
Contact Service.
144 BANK2 ECU DEFECT Internal electronic fault;
Engine does not start.
Contact Service.
145 15V_GOOD ECU DE-
FECT
Electronic equipment defec-
tive;
Automatic engine shutdown.
Contact Service.
146 L1 AD-TEST1 SUPPLY A/D-converter supply volt-
age too low.
Contact Service.
147 AD-TEST1 ECU DE-
FECT
Electronic equipment defec-
tive;
Automatic engine shutdown.
Contact Service.
148 L1 AD-TEST2 SUPPLY A/D-converter supply volt-
age too low.
Contact Service.
149 AD-TEST2 ECU DE-
FECT
Electronic equipment defec-
tive;
Automatic engine shutdown.
Contact Service.
150 L1 AD-TEST3 SUPPLY A/D-converter supply volt-
age too low.
Contact Service.
151 AD-TEST3 ECU DE-
FECT
Electronic equipment defec-
tive;
Automatic engine shutdown.
Contact Service.
M015675/06E 2013-04 | Troubleshooting | 45
TIM-ID: 0000003161 - 001