2007 NISSAN LATIO Service Repair Manual

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Page 1689 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-520Revision: June 2006
DTC P2127, P2128 APP SENSOR
2007 Versa
DTC Confirmation ProcedureUBS00QN4
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF a

Page 1690 of 2896

NISSAN LATIO 2007 Service Repair Manual DTC P2127, P2128 APP SENSOR
EC-521
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Revision: June 20062007 Versa
Wiring DiagramUBS00QN5
BBWA2653E

Page 1691 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-522Revision: June 2006
DTC P2127, P2128 APP SENSOR
2007 Versa
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals whe

Page 1692 of 2896

NISSAN LATIO 2007 Service Repair Manual DTC P2127, P2128 APP SENSOR
EC-523
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Revision: June 20062007 Versa
Diagnostic ProcedureUBS00QN6
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten

Page 1693 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-524Revision: June 2006
DTC P2127, P2128 APP SENSOR
2007 Versa
3. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness contin

Page 1694 of 2896

NISSAN LATIO 2007 Service Repair Manual DTC P2127, P2128 APP SENSOR
EC-525
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Revision: June 20062007 Versa
8. CHECK APP SENSOR
Refer to EC-525, "
Component Inspection" .
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9. REP

Page 1695 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-526Revision: June 2006
DTC P2135 TP SENSOR
2007 Versa
DTC P2135 TP SENSORPFP:16119
Component DescriptionUBS00QN9
Electric throttle control actuator consists of throttle control motor,
throttle posi

EC-526Revision: June 2006
DTC P2135 TP SENSOR
2007 Versa
DTC P2135 TP SENSORPFP:16119
Component DescriptionUBS00QN9
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 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 addition,
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 signals and the
ECM controls the throttle control motor to make the throttle valve
opening angle properly in response to driving condition.
CONSULT-II Reference Value in Data Monitor ModeUBS00QNA
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 LogicUBS00QNB
This self-diagnosis has the one trip detection logic.
NOTE:
If DTC P2135 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-430, "
DTC P0643 SENSOR POWER SUPPLY" .
FAIL -S AFE M OD E
When the malfunction is detected, the 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)Accelerator pedal: Fully released More than 0.36V
Shift lever: D (A/T, CVT), 1st (M/T) Accelerator pedal: Fully depressed Less than 4.75V
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2135
2135Throttle position sensor
circuit range/performanceRationally 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.)
Electric throttle control actuator
(TP sensor 1 and 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 1696 of 2896

NISSAN LATIO 2007 Service Repair Manual DTC P2135 TP SENSOR
EC-527
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Revision: June 20062007 Versa
DTC Confirmation ProcedureUBS00QNC
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ign

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