1.4520.646 – MIC5 ISE Secon Short Circuit Cyl 17
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
Short circuit in secondary circuit
of cylinder 17 in ignition
sequence.
1. Check ignition lead, connector and igniter.
2. Check ignition coil.
1.4520.647 – MIC5 ISE Secon Short Circuit Cyl 18
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
Short circuit in secondary circuit
of cylinder 18 in ignition
sequence.
1. Check ignition lead, connector and igniter.
2. Check ignition coil.
1.4520.648 – MIC5 ISE Secon Short Circuit Cyl 19
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
Short circuit in secondary circuit
of cylinder 19 in ignition
sequence.
1. Check ignition lead, connector and igniter.
2. Check ignition coil.
1.4520.649 – MIC5 ISE Secon Short Circuit Cyl 20
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
Short circuit in secondary circuit
of cylinder 20 in ignition
sequence.
1. Check ignition lead, connector and igniter.
2. Check ignition coil.
1.4520.658 – MIC5 E2 Tr2 synchronisation fault
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
Unable to synchronize with signal
from pulse sensor 2 (B75).
u
Check sensor, sensor gap, cabling, data record settings and timing
wheel. Replace sensor as necessary. (→ Page 203) (→ Page 202)
1.4520.659 – MIC5 E2 Tr2 operational error
Red alarm. Initiated by MIC5.
Cause
Corrective action
Pulse sensor 2 (B75) has tripped
an operational error.
1. Check sensor, sensor gap, cabling, data record settings and timing
wheel. Replace sensor as necessary. (→ Page 203) (→ Page 202)
2. Restart ignition control unit.
MS150104/03E 2017-09
| Troubleshooting | 105
TIM-ID: 0000038611 - 005
