Engine-To-Firewall Wiring Harness Removal - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual

11. Engine-to-Firewall Wiring Harness Removal

CAUTION ANY TIME AN ELECTRICAL CONNECTOR IS DISCONNECTED, INSTALL
A CAP ON THE CONNECTOR TO PREVENT DAMAGE OR
CONTAMINATION FROM FOD, CHEMICALS, OR FLUIDS.
NO EECS PARTS OR HARNESS CAN BE INTERCHANGED BETWEEN
ENGINES UNLESS AGREED UPON BY LYCOMING ENGINES.
NOTICE: This procedure can be done with the engine installed in the airframe.
A. Disconnect the battery.
B. Pull the circuit breaker to disconnect power to the EECS/ECU.
CAUTION
C. For reference on assembly, identify by label each of the sensors on the engine.
D. Disconnect the engine-to-firewall wiring harness (Figure 41) from the airframe interface
wiring harness at the four firewall connectors.
E. Disconnect the two harness plugs A037-P (CIP-P) and A038-P (CIP-S) from the pressure
sensors (Figure 35) installed in the induction system between the airframe induction air filter
and the turbocharger compressor inlets.
© 2018 Avco Corporation. All Rights Reserved
November 2018
USE CAUTION AROUND THE WIRING HARNESS, SENSORS AND
ACTUATORS. THEY CAN BE EASILY DAMAGED AND CANNOT BE
REPAIRED. IF ANY OF THESE ITEMS ARE DAMAGED, THEY MUST
BE REPLACED. IF ONE WIRE BREAKS ON THE WIRING HARNESS,
THE COMPLETE HARNESS WILL NEED TO BE REPLACED.
Wiring Harnesses - Top Right Front
Figure 41
72-70
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