Dodge Caliber. Manual — part 530
RECEIVER
The intrusion sensor receiver operates only when it is energized by the intrusion module. The receiver monitors
ultrasonic signals generated in the vehicle cabin by the intrusion sensor transmitter through a receive transducer.
The receiver listens to the ultrasonic signals as they bounce off of objects in the vehicle interior and provides input
signals to the intrusion module. If an object is moving in the interior, a detection circuit in the intrusion module
senses this movement through the modulation of the returning signals that occur due to the Doppler effect. The
intrusion module monitors the current draw of the receiver circuits to determine the condition of the receiver and, if
the draw is too high or too low, it will store a Diagnostic Trouble Code (DTC) for any fault that is detected.
Use a diagnostic scan tool and refer to the appropriate diagnostic information for diagnosis and testing of the sys-
tem.
REMOVAL
TRANSMITTER
1. Disconnect and isolate the battery negative cable.
2. Remove the C-pillar upper trim (Refer to 23 -
BODY/INTERIOR/C-PILLAR
UPPER
TRIM
-
REMOVAL).
3. Remove the two retaining screws from the C-pillar
and remove the sensor.
RECEIVER
1. Disconnect and isolate the battery negative cable.
2. Remove the right A-pillar trim panel (Refer to 23 -
BODY/INTERIOR/A-PILLAR TRIM - REMOVAL).
3. Disconnect the electrical connector (35) on the
receiver housing.
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4. Release the two latch features (1) of the mounting
bracket (2) and disengage the receiver from the
bracket.
INSTALLATION
TRANSMITTER
1. Position the sensor on the inside of the C-pillar.
2. Install the two retaining screws.
3. Connect the electrical connector.
4. Install the C-pillar (Refer to 23 - BODY/INTERIOR/
C-PILLAR UPPER TRIM - INSTALLATION).
5. Connect the battery negative cable.
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RECEIVER
1. Position the intrusion sensor receiver to the mount-
ing bracket (2) and firmly push down to latch the
retaining clips (1).
2. Connect the electrical connector (3) on the receiver
housing.
3. Install the A-pillar trim panel (Refer to 23 - BODY/
INTERIOR/A-PILLAR TRIM - INSTALLATION).
4. Connect the battery negative cable.
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SENTRY KEY REMOTE ENTRY MODULE
DESCRIPTION
When a PCM and the SKREEM are replaced at the same time, perform the following steps in order:
1. Program the new PCM.
2. Program the new SKREEM.
3. Replace all ignition keys and program them to the new SKREEM.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE - PCM/SKREEM
PROGRAMMING)
The Sentry Key REmote Entry Module (SKREEM) is
sometimes referred to as the Wireless Control Module
(WCM). The SKREEM/WCM is the primary component
of the Sentry Key Immobilizer System (SKIS). It is
also the receiver for the Remote Keyless Entry (RKE)
system and the Tire Pressure Monitor (TPM) system.
The SKREEM/WCM is located on the steering column,
around the ignition lock cylinder housing and is con-
cealed beneath the steering column shrouds. The
molded black plastic housing for the SKREEM/WCM
has an integral molded plastic halo-like antenna ring
(3) that extends from one side. When the SKREEM/
WCM is properly installed, the antenna ring is oriented
around the ignition lock cylinder housing.
A single connector (1) is located next to the antenna
ring on the SKREEM/WCM housing. A molded plastic
mounting tab (2) on the SKREEM/WCM housing
secures
the
unit
to
the
steering
column.
The
SKREEM/WCM is connected to the vehicle electrical
system through the instrument panel wire harness.
The SKREEM/WCM cannot be adjusted or repaired. If
faulty or damaged, the entire SKREEM unit must be
replaced.
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