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SUBJECT
DATE
Intake Pressure/Temperature Sensor
April 2012
Additions, Revisions, or Updates
Publication Number / Title
Platform
Section Title
Change
Intake Pressure/
Temperature Sensor
DDC-SVC-MAN-0084
DD Platform
Removal of the Intake
Pressure/Temperature
Sensor
Delete "Manifold" from title. Change graphic to HDEP. Altered
instructions to verify the location of the sensor on the engine. Added
torque spec for mounting.
Installation of the Intake
Pressure/Temperature
Sensor
All information subject to change without notice.
4 92-12
Copyright © 2012 DETROIT DIESEL CORPORATION
3
2 Intake Pressure/Temperature Sensor
2
Intake Pressure/Temperature Sensor
The intake pressure/temperature sensor is mounted to the cold boost pipe (charge air pipe) on the left side of the engine. The
motor control module (MCM-MCM2-MCM2.1) determines the air pressure and air temperature of the air entering the engine
from a signal received from the intake pressure/temperature sensor.
1. Pin 1 = 0.5 v to 4.5v
2. Pin 2 = 4.75v to 5.25v
3. NTC Output
4. Ground
Figure 1. Intake Pressure/Temperature Sensor
4
All information subject to change without notice.
Copyright © 2012 DETROIT DIESEL CORPORATION
4 92-12
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Removal of the Intake Pressure/Temperature Sensor
Removal steps are as follows:
WARNING: PERSONAL INJURY
To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface,
parking brake is set, and the wheels are blocked.
1. Apply the parking brakes, shut down the engine, and chock the tires. Raise the hood.
a. Figure below shows an Intake Pressure/Temperature Sensor
2. Disconnect the electrical wiring harness connector to the Intake Pressure/Temperature Sensor (3) located on the cold boost
pipe (1).
3. Remove the bolts that attach the protective cover (if applicable).
4. Remove the fasteners (2) that attach the Intake Pressure/Temperature Sensor, and then remove the sensor.
All information subject to change without notice.
4 92-12
Copyright © 2012 DETROIT DIESEL CORPORATION
5
4 Installation of the Intake Pressure/Temperature Sensor
4
Installation of the Intake Pressure/Temperature Sensor
Install as follows:
1. Lubricate the seal ring from the sensor with grease.
2. Install the intake pressure/temperature sensor to the cold boost pipe with the appropriate wrench on the hex end of the
sensor. Torque to 10 N·m (7 lb·ft).
3. Install the harness connection onto the sensor and push down on the gray tab to lock the harness onto sensor.
4. Install the protective cover using the existing bolts. Torque to 10 N·m (7 lb·ft).
6
All information subject to change without notice.
Copyright © 2012 DETROIT DIESEL CORPORATION
4 92-12
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