MTU 12 V 4000 M93 x Operating Instructions Manual page 122

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.
476 – AL Crash Rec. Init. Error
Cause
Crash recorder initialization
error.
482 – SD T-Exhaust C
Cause
Exhaust temperature sensor on
A-side faulty; Short circuit or
wire break
483 – SD T-Exhaust D
Cause
Exhaust temperature sensor on
A-side faulty; Short circuit or
wire break
492 – AL ETC4 CutIn Failure
Cause
ETC4 could not be cut in.
122 | Troubleshooting | MS150047/04E 2013-07
ZKP-Number: 18.004.593
Corrective action
1. Check cabling.
2. Contact Service.
ZKP-Number: 18.010.009
Corrective action
1. Determine cause of trigger/engine stop and rectify.
2. Contact Service.
ZKP-Number: 18.010.007
Corrective action
1. Check setting with DiaSys.
2. Contact Service.
ZKP-Number: 18.004.596
Corrective action
u Check sensor and cabling (B4.23), replace as necessary.
ZKP-Number: 18.004.597
Corrective action
u Check sensor and cabling (B4.24), replace as necessary.
ZKP-Number: 18.004.202
Corrective action
u Check control valve on ETC 4.