MTU 12 V 4000 Lx4 Operating Instructions Manual page 90

1.4520.631 – MIC5 ISE Secon Short Circuit Cyl 2
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 2 in firing order.
1.4520.632 – MIC5 ISE Secon Short Circuit Cyl 3
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 3 in firing order.
1.4520.633 – MIC5 ISE Secon Short Circuit Cyl 4
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 4 in firing order.
1.4520.634 – MIC5 ISE Secon Short Circuit Cyl 5
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 5 in firing order.
1.4520.635 – MIC5 ISE Secon Short Circuit Cyl 6
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 6 in firing order.
1.4520.636 – MIC5 ISE Secon Short Circuit Cyl 7
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 7 in firing order.
1.4520.637 – MIC5 ISE Secon Short Circuit Cyl 8
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 8 in firing order.
90 | Troubleshooting | MS15027/00E 2013-10
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.