2003 NISSAN ALMERA N16 Electronic Repair Manual

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Page 865 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P0222, P0223 TP SENSOR
EC-535
[QG (WITHOUT EURO-OBD)]
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6.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-425, &

Page 866 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-536
[QG (WITHOUT EURO-OBD)]
DTC P0226 APP SENSOR
DTC P0226 APP SENSOR
PFP:18002
Component DescriptionEBS00KH0
The accelerator pedal position sensor is installed on the upper end
of the acc

EC-536
[QG (WITHOUT EURO-OBD)]
DTC P0226 APP SENSOR
DTC P0226 APP SENSOR
PFP:18002
Component DescriptionEBS00KH0
The accelerator pedal position sensor is installed on the upper end
of the accelerator pedal assembly. The sensor detects the accelera-
tor position and sends a signal to the ECM.
Accelerator pedal position sensor has two sensors. These sensors
are a kind of potentiometers which transform the accelerator pedal
position into output voltage, and emit the voltage signal to the ECM.
In addition, these sensors detect the opening and closing speed of
the accelerator pedal and feed the voltage signals to the ECM. The
ECM judges the current opening angle of the accelerator pedal from
these signals and controls the throttle control motor based on these
signals.
Idle position of the accelerator pedal is determined by the ECM
receiving the signal from the accelerator pedal position sensor. The ECM uses this signal for the engine oper-
ation such as fuel cut.
CONSULT-II Reference Value in Data Monitor ModeEBS00KH1
Specification data are reference values.
*: Accelerator pedal position sensor 2 signal is converted by ECM internally. Thus, it differs from ECM terminal voltage signal.
On Board Diagnosis LogicEBS00KH2
This self-diagnosis has the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters fail-safe mode and the MI lights up.
DTC Confirmation ProcedureEBS00KH3
NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch “OFF” and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10V at idle.
PBIB0146E
MONITOR ITEM CONDITION SPECIFICATION
ACCEL SEN1
ACCEL SEN2*
●Ignition switch: ON
(engine stopped)Accelerator pedal: Fully released 0.35 - 0.67V
Accelerator pedal: Fully depressed More than 3.9V
CLSD THL POS
●Ignition switch: ON
(engine stopped)Accelerator pedal: Fully released ON
Accelerator pedal: Slightly depressed OFF
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0226
0226Accelerator pedal position sensor
circuit range/performance problemRationally incorrect voltage is sent to ECM
compared with the signals from APP sensor
1 and APP sensor 2.
●Harness or connector
(The APP sensor 1 and 2 circuit is
open or shorted.)
●Accelerator pedal position sensor 1
and 2
Engine operating 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 throttle valve to be slower than the normal condition.
So, the acceleration will be poor.

Page 867 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P0226 APP SENSOR
EC-537
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WITH CONSULT-II
1. Turn ignition switch “ON”.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and

Page 868 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-538
[QG (WITHOUT EURO-OBD)]
DTC P0226 APP SENSOR
Wiring Diagram
EBS00KH4
YEC288A

Page 869 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P0226 APP SENSOR
EC-539
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Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground

Page 870 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-540
[QG (WITHOUT EURO-OBD)]
DTC P0226 APP SENSOR
2. CHECK APP SENSOR POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switch “O

Page 871 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P0226 APP SENSOR
EC-541
[QG (WITHOUT EURO-OBD)]
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6.CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 106 and APP s

Page 872 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-542
[QG (WITHOUT EURO-OBD)]
DTC P0226 APP SENSOR
3. Check voltage between ECM terminals 106 (APP sensor 1 sig-
nal), 98 (APP sensor 2 signal) and engine ground under the fol-
lowing condit

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