MTU 12 V 4000 M23F Operating Instructions Manual page 136

365 – AL Stop MV-Wiring Ground
Injector wiring error
Red alarm - engine shutdown via Protection Module possible
Cause
Short circuit of injector positive
connection to ground of one or
more injectors.
Short circuit of the negative
injector connection or of one or
more injectors to ground.
371 – AL Wiring TO 1
Line disruption
Cause
Short circuit or wire break on
transistor output 1 (TO 1).
372 – AL Wiring TO 2
Line disruption
Cause
Short circuit or wire break on
transistor output 2 (TO 2).
373 – AL Wiring TO 3
Line disruption
Cause
Short circuit or wire break on
transistor output 3 (TO 3).
374 – AL Wiring TO 4
Line disruption
Cause
Short circuit or wire break on
transistor output 4 (TO 4).
136 | Troubleshooting | MS150068/01E 2014-01
ZKP-Number: 1.8004.561
Corrective action
1. Check wiring (→ Page 265).
2. Engine restart (→ Page 77).
3. Replace wiring harness if necessary (→ Contact Service).
ZKP-Number: 1.8004.634
Corrective action
1. Check charger valve/wiring, repair as necessary.
2. Replace engine governor.
ZKP-Number: 1.8004.635
Corrective action
1. Check recirculation valve/wiring, repair as necessary.
2. Replace engine governor.
ZKP-Number: 1.8004.636
Corrective action
u -
ZKP-Number: 1.8004.637
Corrective action
u -