Lycoming TEO-540-C1A Maintenance Manual page 308

Sensor Name Abbr.
Knock Sensor KNOCK-
Primary
Induction Air
DECK-P-P
Deck Pressure
Sensor
Secondary
Induction Air
DECK-P-S
Deck Pressure
Sensor
Primary
Compressor
CIP-P
Inlet Pressure
Sensor
Secondary
Compressor
CIP-S
Inlet Pressure
Sensor
72-70
Page 278
Table 2 (Cont.)
Wiring Harness Connector Guidelines
Guidelines for Disconnecting and Connecting
Figure 19
Hinged Locking Tab
The wiring harness connectors for the Knock Sensors (Figure 19) connect
directly to each sensor, located on all six cylinders (Figure 36).
Disconnect:
1. Press the rear of the hinged locking tab (Figure 20) to release it from
the locking feature on the sensor and pull the wiring harness
connector from the sensor (Figure 21).
Connect:
1. Insert the wiring harness connector into the sensor and press firmly
until you hear the hinged locking tab click in place.
Figure 22
Primary and Secondary
Induction Deck Pressure Sensors
Pressure sensor connectors have a single locking tab on the wiring harness
connector. The Primary and Secondary Induction Deck Pressure Sensors
(Figure 35) are located on the pipe attached to the inlet of the throttle
body. The Primary and Secondary Compressor Inlet Pressure Sensors
(Figure 35) location is determined by the airframe manufacturer.
Disconnect:
1. Pull or pry up on the front of the locking tab (Figure 22) to release it
from the locking feature on the sensor and pull the wiring harness
connector from the sensor (Figure 23).
Connect:
1. Install the wiring harness connector onto the sensor and press firmly
until you hear the hinged locking tab click in place.
TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Figure 20
Press the Rear of the
Hinged Locking Tab
Wiring Harness Connector
Removed from Induction Deck
© 2018 Avco Corporation. All Rights Reserved
Figure 21
Connector Removed
from the Knock Sensor
Figure 23
Pressure Sensor
November 2018