2006 INFINITI FX35 Service Manual

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Page 2649 of 4462

INFINITI FX35 2006 Service Manual DTC P2127, P2128 APP SENSOR EC-1265
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EC
Revision: 2006 December 2006 FX35/FX45
2. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
1. Disconnect accelerator pedal

Page 2650 of 4462

INFINITI FX35 2006 Service Manual EC-1266
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DTC P2127, P2128 APP SENSOR
Revision: 2006 December 2006 FX35/FX45
6. CHECK THROTTLE POSITION SENSOR
Refer to EC-891, "
Component Inspection" .
OK or NG
OK >> GO TO 14.
NG >> GO

Page 2651 of 4462

INFINITI FX35 2006 Service Manual DTC P2127, P2128 APP SENSOR EC-1267
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Revision: 2006 December 2006 FX35/FX45
12. CHECK APP SENSOR
Refer to EC-1282, "
Component Inspection" .
OK or NG

Page 2652 of 4462

INFINITI FX35 2006 Service Manual EC-1268
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DTC P2135 TP SENSOR
Revision: 2006 December 2006 FX35/FX45
DTC P2135 TP SENSORPFP:16119
Component DescriptionNBS004G7
Electric throttle control actuator consists of throttle control m

EC-1268
[VK45DE]
DTC P2135 TP SENSOR
Revision: 2006 December 2006 FX35/FX45
DTC P2135 TP SENSORPFP:16119
Component DescriptionNBS004G7
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 ModeNBS004G8
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 LogicNBS004G9
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 2653 of 4462

INFINITI FX35 2006 Service Manual DTC P2135 TP SENSOR EC-1269
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Revision: 2006 December 2006 FX35/FX45
DTC Confirmation ProcedureNBS004GA
NOTE:
If DTC Confirmation Procedure has been prev

Page 2654 of 4462

INFINITI FX35 2006 Service Manual EC-1270
[VK45DE]
DTC P2135 TP SENSOR
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS004GB
TBWM1356E

Page 2655 of 4462

INFINITI FX35 2006 Service Manual DTC P2135 TP SENSOR EC-1271
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Revision: 2006 December 2006 FX35/FX45
Specification data are reference values and are measured between each terminal and gr

Page 2656 of 4462

INFINITI FX35 2006 Service Manual EC-1272
[VK45DE]
DTC P2135 TP SENSOR
Revision: 2006 December 2006 FX35/FX45
2. CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT-I
1. Disconnect electric throttle control actuator (1) harness conne

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