© 2018 Avco Corporation. All Rights Reserved
Appendix D
November 2018
Page 417
TEO-540-C1A Engine Maintenance Manual
Fault ID
80
Fault Group
11
Fault Name
[FAULT: Cylinder 1 detonation
sensor]
Fault
Description
Cylinder 1 detonation sensor circuit
fault
Fault Lamp
TLO
Fault ID
81
Fault Group
11
Fault Name
[FAULT: Cylinder 2 detonation
sensor]
Fault
Description
Cylinder 2 detonation sensor circuit
fault
Fault Lamp
TLO
Fault ID
82
Fault Group
11
Fault Name
[FAULT: Cylinder 3 detonation
sensor]
Fault
Description
Cylinder 3 detonation sensor circuit
fault
Fault Lamp
TLO
Fault ID
83
Fault Group
11
Fault Name
[FAULT: Cylinder 4 detonation
sensor]
Fault
Description
Cylinder 4 detonation sensor circuit
fault
Fault Lamp
TLO
Fault ID
84
Fault Group
11
Fault Name
[FAULT: Cylinder 5 detonation
sensor]
Fault
Description
Cylinder 5 detonation sensor circuit
fault
Fault Lamp
TLO
Fault ID
85
Fault Group
11
Fault Name
[FAULT: Cylinder 6 detonation
sensor]
Fault
Description
Cylinder 6 detonation sensor circuit
fault
Fault Lamp
TLO
Fault ID
86
Fault Group
11
Fault Name
[FAULT: Cylinder 7 detonation
sensor]
Fault
Description
Cylinder 7 detonation sensor circuit
fault
Fault Lamp
TLO
Fault ID
87
Fault Group
11
Fault Name
[FAULT: Cylinder 8 detonation
sensor]
Fault
Description
Cylinder 8 detonation sensor circuit
fault
Fault Lamp
TLO
Root Cause
This fault indicates that the cylinder detonation voltage is consistently outside the
minimum and maximum threshold limits inputted in the calibration. The fault will become
inactive if the range is within the calibrated range.
Troubleshooting Steps for Faults 80 thru 87
1.
Is the fault active? If yes, continue. If no, go to step 3. Is there more than one fault? If yes, continue.
If no, go to step 2. Are the faults occurring in the combinations shown below? If yes, go to step 5. If
no, go to step 2.
Group 1
Group 2
Knock 1 (A016)
Knock 2 (A015)
Knock 3 (A018)
Knock 6 (A017)
2.
Check the connector for the following:
a)
Harness connector is securely seated to the detonation sensor connector
b)
No damage to both connectors or cabling.
c)
Improper/intermittent connection due to loose-fit or vibration
d)
Improper/Intermittent electrical contact due to debris (such as dust, grease, oil etc.)
If a thru d check good, go to step 6.