1.4520.264 – Open Primary, Channel 19
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Ignition energy was not
discharged.
1. Check cabling to ignition coil.
2. Check ignition coils.
1.4520.265 – Open Primary, Channel 20
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Ignition energy was not
discharged.
1. Check cabling to ignition coil.
2. Check ignition coils.
1.4520.270 – Warn. Missing Ring Gear Signal
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Crankshaft speed signal 182
teeth is missing.
u
Sensor B 13.3, check sensor, sensor distance and cabling,
replace as necessary.
1.4520.271 – Warning Missing Reset Signal
Yellow alarm. Initiated by IC922.
Cause
Corrective action
Reset signal from crankshaft is
missing.
u
Sensor B 75, check sensor, sensor distance and cabling,
replace as necessary.
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 distance and cabling,
replace as necessary.
1.4520.273 – SCR Fault Odd
Red alarm. Initiated by IC922.
Cause
Corrective action
Hardware not ready for
operation.
u
Restart ignition.
1.4520.274 – SCR Fault Even
Red alarm. Initiated by IC922.
Cause
Corrective action
Hardware not ready for
operation.
u
Restart ignition.
80 | Troubleshooting | MS150114/01E 2015-03
TIM-ID: 0000038611 - 002