2018.12.12
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204
TRSM0940 Service Procedures | Transmission Harness Removal and Installation
Transmission Harness Removal
Caution: The battery negative must be disconnected prior
to disconnecting the 38-way Transmission Electronic Con-
trol Unit (TECU) Connector and 38-w
ay Vehicle Harness
Connector from the TECU.
Caution: Do not allow contamination into th
e TECU or con-
nectors.
1. Disc
onnect the following connectors:
• Using
a 5/32” hex wrench, unscrew and disconnect
the Transmission Harness 38-way Connector and
Vehicle Interface 38-way Connector.
2. Disc
onnect the following harness connectors:
• Inp
ut Shaft Speed Sensor
• M
ain Shaft Speed Sensor
• Gear Select Sensor
and Rail Select Sensor
• O
utput Shaft Speed Sensor
• Range Valve So
lenoids
• ECA Speed Sen
sor
• 8-way ECA Connector
• X
-Y Shifter
Transmission Harness Installation
Caution: Do not allow contamination into the TECU connec-
tors.
Caution: Do not over tighten cable ties.
Caution: You need to leave a service loop in the Transmis-
sion Harness.
Caution: Do not put sharp bends in the
Transmission Har-
ness.
Caution: The battery negative must be disconnected, while
installing the 38-way Transmission Electronic Control Unit
(T
ECU) Connector and 38-way Vehicle Harness Connector
from the TECU.
1. Reconnec
t the following harness connectors:
• Gear
Select and Rail Select Sensor
• Main Shaft
Speed Sensor
• In
put Shaft Speed Sensor
• Outp
ut Shaft Speed Sensor
• ECA Speed
Sensor
• 8-way ECA
Connector
• X-
Y Shifter
• Range Valve Solenoid
s
2. Using a
5/32” hex wrench, reconnect the Transmission
Harness 38-way Connector and tighten to 25 +/- 3 lb-in
(2.82 +/- 0.33 N•m).
Caution: Do not exceed the torque on the Transmission
Harness or Vehicle Harness Connector or bolt failure
will occur.
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