Lycoming TEO-540-C1A Maintenance Manual page 553

TEO-540-C1A Engine Maintenance Manual
Fault ID 455
Fault
Description
Root Cause
Fault ID 456
Fault SCI (Serial Communication Interface)
Description transmission failure fault
This fault indicates a failure transmitting data via the SCI. The fault will become inactive
Root Cause
if successful data transmission resumes on the SCI
Fault ID 457
Fault
SPI A transmission failure fault
Description
This fault indicates a failure transmitting data via the SPI A. This fault will become
Root Cause
inactive if successful data transmission resumes on the SPI A
Fault ID 458
Fault
SPI B transmission failure fault
Description
This fault indicates a failure transmitting data via the SPI B. This fault will become
Root Cause
inactive if successful data transmission resumes on the SPI B
Fault ID 459
Fault
SPI D transmission failure fault
Description
Ro This fault indicates a failure transmitting data via the SPI D. This fault will become
inactive if successful data transmission resumes on the SPI D
ot Cause
Fault ID 460
Fault
RS232 transmission failure fault
Description
This fault indicates a failure transmitting RS232 messages. This fault will become inactive
Root Cause
if the transmission returns to normal
1. With Ignition switch in OFF position, remove ECU power by pulling the ECU circuit breaker. Wait 10s
before resetting. Is fault active? If no, go to step 3. If yes, replace the ECU.
2. Clear Service faults using the FST by following the steps outlined in the "Access the Field Service
Tool" section in Appendix C or the latest revision of SSP-118.
© 2018 Avco Corporation. All Rights Reserved
November 2018
Fault Group 57
Troubleshooting Steps
Fault Group 58
Fault Group 58
Fault Group 58
Fault Group 58
Fault Group 58
Troubleshooting Steps for Faults 456 thru 460
Fault Name -Reserved-
Fault Lamp
Fault Name
[FAULT: SCI transmission failure
Fault Lamp
[FAULT: SPI A transmission
Fault Name
failure]
Fault Lamp
[FAULT: SPI B transmission
Fault Name
failure]
Fault Lamp
[FAULT: SPI D transmission
Fault Name
failure]
Fault Lamp
[FAULT: INST RS232 transmission
Fault Name
failure]
Fault Lamp
None
None
None
None
None
None
Appendix D
Page 523