1.4520.272 – Warn. Missing Camshaft Signal
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Missing camshaft signal for
ignition system.
u
Sensor B 1.2, check sensor, sensor gap and cabling, replace as
necessary (→ Page 33) (→ Page 227).
1.4520.273 – SCR Fault Odd
Red alarm. Initiated by IC922.
Cause
Corrective action
Hardware not ready for operation.
1. Restart ignition.
2. Check cabling to ignition coil (→ Page 227).
1.4520.274 – SCR Fault Even
Red alarm. Initiated by IC922.
Cause
Corrective action
Hardware not ready for operation.
1. Restart ignition.
2. Check cabling to ignition coil (→ Page 227).
1.4520.275 – Odd Energy Level out of Range
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Specified energy level is beyond
the valid range.
u
Adapt value in ECU parameter record.
1.4520.276 – Even Energy Level out of Range
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Specified energy level is beyond
the valid range.
u
Adapt value in ECU parameter record.
1.4520.508 – MIC5 Stat Operational error
Red alarm. Initiated by MIC5.
Cause
Corrective action
An operational error has occurred.
1. Rectify cause of alarm.
2. Restart ignition control unit.
1.4520.509 – MIC5 Stat System error
Red alarm. Initiated by MIC5.
Cause
Corrective action
A system error has occurred.
1. Rectify cause of alarm.
2. Restart ignition control unit.
98 | Troubleshooting | MS150116/04E 2018-04
TIM-ID: 0000038611 - 006