MTU 12V4000M73 series Operating Instructions Manual page 154

468 – SD T-AUX 1
Cause
Analog input signal for Aux 1
temperature faulty;.
469 – SD AUX 1
Cause
Analog input signal for Aux 1
faulty; Short circuit or wire break
470 – SD T-ECU
Cause
Temperature sensor for ECU
faulty; Short circuit or wire break
471 – SD Coil Current
Cause
Control of HP fuel control block
faulty; Short circuit or wire break
473 – AL Wiring PWM_CM2
Cause
Cable break or short circuit on
channel PWM_CM2.
475 – AL CR Trigger Engine Stop
Cause
Activated if the crash recorder
was triggered due to an engine
stop.
152 | Troubleshooting | MS150045/03E 2018-08
ZKP-Number: 1.8004.579
Corrective action
1. Check signal transmitter and cabling, replace as necessary.
2. Replace engine governor.
ZKP-Number: 1.8004.590
Corrective action
u Check signal transmitter and cabling, replace as necessary.
ZKP-Number: 1.8004.587
Corrective action
u Check sensor and cabling, replace as necessary.
ZKP-Number: 1.8004.592
Corrective action
u Check sensor and cabling, replace as necessary.
ZKP-Number: 1.8004.593
Corrective action
1. Check cabling.
2. Contact Service.
ZKP-Number: 1.8010.009
Corrective action
1. Determine cause of trigger/engine stop and rectify.
2. Contact Service.