1.4520.238 – E2PROM Checksum Error
Red alarm. Initiated by IC922.
Cause
Corrective action
Hardware not ready for operation.
1. Restart ignition.
2. Replace ignition.
1.4520.239 – Global Timing out of Range
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Specified global ignition timing is
beyond the valid range.
1. Adapt value in ECU parameter record.
2. Check settings at ignition system.
1.4520.240 – Unknown Timing or Energy Level
Red alarm. Initiated by IC922.
Cause
Corrective action
No global ignition timing and
power level received, CAN bus
connection is faulty.
u
Check cabling and setting (→ Page 202).
1.4520.241 – Individual Timing out of Range
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Specified individual ignition timing
is beyond the valid range.
1. Adapt value in ECU parameter record.
2. Check settings at ignition system.
1.4520.242 – Selftest Shutdown
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Self-test is active with the engine
rotating.
u
Restart ignition.
1.4520.243 – Open Primary Rate Exceeded
Red alarm. Initiated by IC922.
Cause
Corrective action
Admissible summation of
discharge faults is reached.
1. Check associated cabling (→ Page 202).
2. Check ignition coils.
1.4520.245 – Open Primary, Channel 1
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Ignition energy was not
discharged.
1. Check cabling to ignition coil (→ Page 202).
2. Check ignition coils.
84 | Troubleshooting | MS150104/03E 2017-09
TIM-ID: 0000038611 - 005
