2011 NISSAN LATIO Service Repair Manual

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Page 1689 of 3787

NISSAN LATIO 2011 Service Repair Manual P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-395
< COMPONENT DIAGNOSIS > [HR16DE]
C
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EC
NP
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NO >> Repair or replace harness or connectors.
13.REPLACE ELECTRIC THROTTLE CONTROL ACTU

Page 1690 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-396
< COMPONENT DIAGNOSIS >[HR16DE]
P2118 THROTTLE CONTROL MOTOR
P2118 THROTTLE CONTROL MOTOR
DescriptionINFOID:0000000005930073
The throttle control motor is operated by the ECM and it opens and c

Page 1691 of 3787

NISSAN LATIO 2011 Service Repair Manual P2118 THROTTLE CONTROL MOTOREC-397
< COMPONENT DIAGNOSIS > [HR16DE]
C
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Wiring DiagramINFOID:0000000005930075
Diagnosis ProcedureINFOID:0000000005930076
1.CHECK GROUND CONN

Page 1692 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-398
< COMPONENT DIAGNOSIS >[HR16DE]
P2118 THROTTLE CONTROL MOTOR
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK THROTTLE CONTROL MOTOR OUTPUT
SIGNAL CIRCUIT FOR OPEN AND SHORT

Page 1693 of 3787

NISSAN LATIO 2011 Service Repair Manual P2118 THROTTLE CONTROL MOTOREC-399
< COMPONENT DIAGNOSIS > [HR16DE]
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1. Replace electric throttle control actuator. Refer to
EM-27, "Exploded View".
2. Perform EC-395,

Page 1694 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-400
< COMPONENT DIAGNOSIS >[HR16DE]
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
DescriptionINFOID:0000000005930079
Electric throttle control actuator consists

EC-400
< COMPONENT DIAGNOSIS >[HR16DE]
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
DescriptionINFOID:0000000005930079
Electric throttle control actuator consists of th
rottle control motor, throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the throttle valve.
The throttle position sensor detects the throttle valv e position, and feeds the voltage signal to the ECM. The
ECM judges the current opening angle of the throttle valve and controls the throttle valve opening angle in
response to driving conditions via the throttle control motor.
DTC LogicINFOID:0000000005930080
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND B
1. Turn ignition switch ON and wait at least 1 second.
2. Set selector lever to D (A/T) or 1st (M/T) position and wait at least 3 seconds.
3. Set selector lever to P (A/T) or Neutral (M/T) position.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Turn ignition switch ON and wait at least 1 second.
6. Set selector lever to D (A/T) or 1st (M/T) position and wait at least 3 seconds.
7. Set selector lever to P (A/T) or Neutral (M/T) position.
8. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
9. Check DTC.
Is DTC detected?
YES >> Go to EC-400, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
1. Turn ignition switch ON and wait at least 1 second.
2. Set selector lever to D (A/T) or 1st (M/T) position and wait at least 3 seconds.
3. Set selector lever to P (A/T) or Neutral (M/T) position.
4. Start engine and let it idle for 3 seconds.
5. Check DTC.
Is DTC detected?
YES >> Go to EC-400, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006141000
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the intake air duct.
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
P2119 Electric throttle control
actuator A
Electric throttle control actuator does not function
properly due to the return spring malfunction.
• Electric throttle control actuator
B Throttle valve opening angle in fail-safe mode is
not in specified range.
C ECM detect the throttle valve is stuck open.
Revision: May 2010 2011 Versa

Page 1695 of 3787

NISSAN LATIO 2011 Service Repair Manual P2119 ELECTRIC THROTTLE CONTROL ACTUATOREC-401
< COMPONENT DIAGNOSIS > [HR16DE]
C
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EC
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3. Check if foreign matter is c
aught between the throttle valve (1)
and the housing.
-

Page 1696 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-402
< COMPONENT DIAGNOSIS >[HR16DE]
P2122, P2123 APP SENSOR
P2122, P2123 APP SENSOR
DescriptionINFOID:0000000005930083
The accelerator pedal position sensor is installed on the upper end
of the acc

EC-402
< COMPONENT DIAGNOSIS >[HR16DE]
P2122, P2123 APP SENSOR
P2122, P2123 APP SENSOR
DescriptionINFOID:0000000005930083
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 potentiometer which transform the accelerator pedal
position into output voltage, and emit the voltage signal 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 operation such as fuel cut.
DTC LogicINFOID:0000000005930084
DTC DETECTION LOGIC
NOTE:
If DTC P2122 or P2123 is displayed with DTC P0643, first perform the tro\
ubl
e diagnosis for DTC P0643.
Refer to EC-362, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
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 8 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 1 second.
2. Check DTC.
Is DTC detected?
YES >> Go to EC-403, "Diagnosis Procedure".
NO >> INSPECTION END
PBIB1741E
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
P2122 Accelerator pedal position
sensor 1 circuit low input An excessively low
voltage from the APP
sensor 1 is sent to ECM. • Harness or connectors
(APP sensor 1 circuit is open or shorted.)
• Accelerator pedal position sensor
(APP sensor 1)
P2123 Accelerator pedal position
sensor 1 circuit high input An excessively high voltage from the APP
sensor 1 is sent to ECM.
Revision: May 2010
2011 Versa

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