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Description
NGEC0595
NOTE:
If DTC P0120 (0403) is displayed with DTC P0510 (0203), first perform the trouble diagnosis for DTC
P0510. Refer to EC-1033.
COMPONENT DESCRIPTION
NGEC0595S01
The throttle position sensor responds to the accelerator pedal movement. This sensor is a kind of potentiom-
eter which transforms the throttle position into output voltage, and emits the voltage signal to the ECM. In
addition, the sensor detects the opening and closing speed of the throttle valve and feeds the voltage signal
to the ECM.
Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sen-
sor. This sensor controls engine operation such as fuel cut. On the other hand, the “Wide open and closed
throttle position switch”, which is built into the throttle position sensor unit, is not used for engine control.
SEF349X
CONSULT-II Reference Value in Data Monitor
Mode
NGEC0596
Specification data are reference values.
MONITOR ITEM CONDITION SPECIFICATION
THRTL POS SEN
쐌 Engine: After warming up, idle
the engine
Throttle valve: fully closed (a) 0.15 - 0.85V
쐌 Engine: After warming up
쐌 Ignition switch: ON
(Engine stopped)
Throttle valve: Partially open Between (a) and (b)
Throttle valve: fully opened (b) 3.5 - 4.7V
ABSOL TH·P/S
쐌 Engine: After warming up
쐌 Ignition switch: ON
쐌 More than -40.0 kpa (-300
mmHg, -11.81 inHg) of vacuum
is applied to the throttle opener
with a hand vacuum pump.
Throttle valve: fully closed 0.0%
쐌 Engine: After warming up
쐌 Ignition switch: ON
(Engine stopped)
Throttle valve: fully opened Approx. 80%
DTC P0120 THROTTLE POSITION SENSOR
VG33E
Description
EC-760
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