2005 INFINITI FX35 Service Manual

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Page 2705 of 4731

INFINITI FX35 2005 Service Manual EC-1312
[VK45DE]
DTC P2127, P2128 APP SENSOR
Revision: 2005 July 2005 FX
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground ter

Page 2706 of 4731

INFINITI FX35 2005 Service Manual DTC P2127, P2128 APP SENSOR EC-1313
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Revision: 2005 July 2005 FX
2. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
1. Disconnect accelerator pedal position

Page 2707 of 4731

INFINITI FX35 2005 Service Manual EC-1314
[VK45DE]
DTC P2127, P2128 APP SENSOR
Revision: 2005 July 2005 FX
6. CHECK THROTTLE POSITION SENSOR
Refer to EC-926, "
Component Inspection" .
OK or NG
OK >> GO TO 14.
NG >> GO TO 7.
7. RE

Page 2708 of 4731

INFINITI FX35 2005 Service Manual DTC P2127, P2128 APP SENSOR EC-1315
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Revision: 2005 July 2005 FX
12. CHECK APP SENSOR
Refer to EC-1330, "
Component Inspection" .
OK or NG
OK >> GO

Page 2709 of 4731

INFINITI FX35 2005 Service Manual EC-1316
[VK45DE]
DTC P2135 TP SENSOR
Revision: 2005 July 2005 FX
DTC P2135 TP SENSORPFP:16119
Component DescriptionABS007W4
Electric throttle control actuator consists of throttle control motor,
thro

EC-1316
[VK45DE]
DTC P2135 TP SENSOR
Revision: 2005 July 2005 FX
DTC P2135 TP SENSORPFP:16119
Component DescriptionABS007W4
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc. The throttle position sensor responds to
the throttle valve movement.
The throttle position sensor has the two sensors. These sensors are
a kind of potentiometers which transform the throttle valve position
into output voltage, and emit the voltage signal to the ECM. In addi-
tion, these sensors detect the opening and closing speed of the
throttle valve and feed the voltage signals to the ECM. The ECM
judges the current opening angle of the throttle valve from these sig-
nals and the ECM controls the throttle control motor to make the
throttle valve opening angle properly in response to driving condi-
tion.
CONSULT-II Reference Value in Data Monitor ModeABS007W5
Specification data are reference values.
*: Throttle position sensor 2 signal is converted by ECM internally. Thus, it differs from ECM terminal voltage signal.
On Board Diagnosis LogicABS007W6
This self-diagnosis has the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode and the MIL lights up.
PBIB0145E
MONITOR ITEM CONDITION SPECIFICATION
THRTL SEN 1
THRTL SEN 2*
Ignition switch: ON
(Engine stopped)
Selector lever: D Accelerator pedal: Fully released More than 0.36V
Accelerator pedal: Fully depressed Less than 4.75V
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2135
2135 Throttle position sensor
circuit range/perfor-
mance problem Rationally incorrect voltage is sent to ECM
compared with the signals from TP sensor 1
and TP sensor 2.
Harness or connector
(TP sensor 1 and 2 circuit is open or
shorted.)
(APP sensor 2 circuit is shorted.)
Electric throttle control actuator
(TP sensor 1 and 2)
Accelerator pedal position sensor
(APP sensor 2)
Engine operation condition in fail-safe mode
The ECM controls the electric throttle control actuator in regulating the throttle opening in order for the idle position to be within +10
degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal condition.
So, the acceleration will be poor.

Page 2710 of 4731

INFINITI FX35 2005 Service Manual DTC P2135 TP SENSOR EC-1317
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Revision: 2005 July 2005 FX
DTC Confirmation ProcedureABS007W7
NOTE:
If DTC Confirmation Procedure has been previously con

Page 2711 of 4731

INFINITI FX35 2005 Service Manual EC-1318
[VK45DE]
DTC P2135 TP SENSOR
Revision: 2005 July 2005 FX
Wiring DiagramABS007W8
TBWM0424E

Page 2712 of 4731

INFINITI FX35 2005 Service Manual DTC P2135 TP SENSOR EC-1319
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Revision: 2005 July 2005 FX
Specification data are reference values and are measured between each terminal and ground.
CAU

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