2003 NISSAN ALMERA N16 Electronic Repair Manual

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Page 665 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P1223, P1224 TP SENSOR
EC-335
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DTC P1223, P1224 TP SENSORPFP:16119
Component DescriptionEBS00KBK
Electric Throttle Control Actuator consists of

DTC P1223, P1224 TP SENSOR
EC-335
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DTC P1223, P1224 TP SENSORPFP:16119
Component DescriptionEBS00KBK
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 ModeEBS00KBL
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 LogicEBS00KBM
These self-diagnoses have 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 ProcedureEBS00KBN
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.
PBIB0145E
MONITOR ITEM CONDITION SPECIFICATION
THRTL SEN1
THRTL SEN2*
●Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released More than 0.36V
●Shift lever:
D (A/T model)
1st (M/T model)Accelerator pedal: Fully depressed Less than 4.75V
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1223
1223Throttle position sensor 2
circuit low inputAn excessively low voltage from the TP sensor 2
is sent to ECM.
●Harness or connectors
(The TP sensor 2 circuit is open or
shorted.)
●Electric throttle control actuator
(TP sensor 2) P1224
1224Throttle position sensor 2
circuit high inputAn excessively high voltage from the TP sensor 2
is sent to ECM.
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 666 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-336
[QG (WITH EURO-OBD)]
DTC P1223, P1224 TP SENSOR
WITH CONSULT-II
1. Turn ignition switch “ON”.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for 1 secon

Page 667 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P1223, P1224 TP SENSOR
EC-337
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Wiring DiagramEBS00KBO
YEC301A

Page 668 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-338
[QG (WITH EURO-OBD)]
DTC P1223, P1224 TP SENSOR
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measurin

Page 669 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P1223, P1224 TP SENSOR
EC-339
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2.CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY CIRCUIT
1. Disconnect electric throttle control actuator harness connec

Page 670 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-340
[QG (WITH EURO-OBD)]
DTC P1223, P1224 TP SENSOR
6. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-31, "
Throttle Valve Closed Po

Page 671 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P1225 TP SENSOR
EC-341
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DTC P1225 TP SENSORPFP:16119
Component DescriptionEBS00KBS
Electric Throttle Control Actuator consists of throttle cont

Page 672 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-342
[QG (WITH EURO-OBD)]
DTC P1225 TP SENSOR
Diagnostic Procedure
EBS00KBV
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch “OFF”.
2. Remove the intake air duct.
3.

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