Chrysler Sebring, Stratus sedan, Sebring Convertible. Manual - part 550
THROTTLE POSITION SENSOR
DESCRIPTION
The throttle position sensor mounts to the side of
the throttle body.
The Throttle Position Sensor (TPS) connects to the
throttle blade shaft. The TPS is a variable resistor
(potentiometer) that provides the PCM with an input
signal (voltage). The signal represents throttle blade
position. As the position of
the
throttle blade
changes, the resistance of the TPS changes.
OPERATION
The signal represents throttle blade position. As
the position of the throttle blade changes, the resis-
tance of the TPS changes.
The PCM supplies approximately 5 volts to the
TPS. The TPS output voltage (input signal to the
powertrain control module) represents throttle blade
position. The TPS output voltage to the PCM varies
from approximately 0.6 volt at minimum throttle
opening (idle) to a maximum of 4.5 volts at wide open
throttle.
Along with inputs from other sensors, the PCM
uses the TPS input to determine current engine oper-
ating conditions. The PCM also adjusts fuel injector
pulse width and ignition timing based on these
inputs.
REMOVAL
REMOVAL - 4 CYLINDER
(1) Disconnect the negative battery cable.
(2) Disconnect the electrical connector to throttle
position sensor.
(3) Remove the 2 screws for the throttle position
sensor.
(4) Remove the throttle position sensor.
REMOVAL - 2.7L
(1) Remove the negative battery cable.
(2) Remove the throttle body (Refer to 14 - FUEL
SYSTEM/FUEL INJECTION/THROTTLE BODY -
REMOVAL)
(3) Remove the TPS mounting screws (Fig. 39).
(4) Remove the TPS.
INSTALLATION
INSTALLATION - 4 CYLINDER
(1) The throttle shaft end of the throttle body
slides into a socket in the TPS. The socket has two
tabs inside it. The throttle shaft rests against the
tabs. When indexed correctly, the TPS can rotate
clockwise a few degrees to line up the mounting
screw holes with the screw holes in the throttle body.
The TPS has slight tension when rotated into posi-
tion. If it is difficult to rotate the TPS into position,
install the sensor with the throttle shaft on the other
side of the tabs in the socket. Tighten mounting
screws to 5.1 N·m (45 in. lbs.) torque.
(2) After installing the TPS, the throttle plate
should be closed. If the throttle plate is open, install
the sensor on the other side of the tabs in the socket.
(3) Attach electrical connector to the TPS.
(4) Install the negative battery cable.
INSTALLATION - 2.7L
(1) The throttle shaft end of the throttle body
slides into a socket in the TPS. The socket has two
tabs inside it. The throttle shaft rests against the
tabs. When indexed correctly, the TPS can rotate
clockwise a few degrees to line up the mounting
screw holes with the screw holes in the throttle body.
The TPS has slight tension when rotated into posi-
tion. If it is difficult to rotate the TPS into position,
install the sensor with the throttle shaft on the other
side of the tabs in the socket. Tighten mounting
screws to 5.1 N·m (45 in. lbs.) torque.
(2) After installing the TPS, the throttle plate
should be closed. If the throttle plate is open, install
the sensor on the other side of the tabs in the socket.
(3) Install the throttle body (Refer to 14 - FUEL
SYSTEM/FUEL INJECTION/THROTTLE BODY -
INSTALLATION).
(4) Connect the negative battery cable.
Fig. 39 Idle Air Control Motor and Throttle Position
Sensor
1 - THROTTLE POSITION SENSOR
2 - IDLE AIR CONTROL VALVE
JR
FUEL INJECTION
14 - 37