MTU 12V4000M73 series Operating Instructions Manual page 144

319 – AL Timing Cylinder B9
Cause
Time-of-flight measuring fault of
injector B9: Time-of flight
measured value extremely low or
extremely high.
320 – AL Timing Cylinder B10
Cause
Time-of-flight measuring fault of
injector B10: Time-of flight
measured value extremely low or
extremely high.
321 – AL Wiring Cylinder A1
Cause
Short-circuit in injector cabling to
cylinder A1. Result: Misfiring
322 – AL Wiring Cylinder A2
Cause
Short-circuit in injector cabling to
cylinder A2. Result: Misfiring
323 – AL Wiring Cylinder A3
Cause
Short-circuit in injector cabling to
cylinder A3. Result: Misfiring
324 – AL Wiring Cylinder A4
Cause
Short-circuit in injector cabling to
cylinder A4. Result: Misfiring
142 | Troubleshooting | MS150045/03E 2018-08
ZKP-Number: 1.8004.518
Corrective action
u If alarm occurs frequently, replace solenoid valve of injector
ZKP-Number: 1.8004.519
Corrective action
u If alarm occurs frequently, replace solenoid valve of injector
ZKP-Number: 1.8004.520
Corrective action
1. Rectify injector solenoid valve short circuit (positive to negative)
(e.g.by exchanging injectors).
2. Error cleared after restarting the engine.
ZKP-Number: 1.8004.521
Corrective action
1. Rectify injector solenoid valve short circuit (positive to negative)
(e.g. by exchanging injectors).
2. Error cleared after restarting the engine.
ZKP-Number: 1.8004.522
Corrective action
1. Rectify injector solenoid valve short circuit (positive to negative)
(e.g. by exchanging injectors).
2. Error cleared after restarting the engine.
ZKP-Number: 1.8004.523
Corrective action
1. Rectify injector solenoid valve short circuit (positive to negative)
(e.g. by exchanging injectors).
2. Error cleared after restarting the engine.