NISSAN TIIDA 2009 Service Repair Manual

P2118 THROTTLE CONTROL MOTOR
EC-395
< COMPONENT DIAGNOSIS >
[HR16DE] C
D E
F
G H
I
J
K L
M A EC
NP
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YES >> GO TO 2.
NO >> Repair or replace ground connection. 2.
CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect electric throttle c ontrol actuator harness connector.
2. Disconnect ECM harness connector.
3. Check the continuity between electric throttle control actuator harness connector and ECM harness con-
nector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace. 3.
CHECK THROTTLE CONTROL MOTOR
Refer to EC-395, " Component Inspection " .
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 5. 4.
CHECK INTERMITTENT INCIDENT
Refer to EC-120, " Diagnosis Procedure " .
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace harness or connectors. 5.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric throttle control actuator.
2. Perform EC-396, " Special Repair Requirement " .
>> INSPECTION END
Component Inspection INFOID:00000000048059491.
CHECK THROTTLE CONTROL MOTOR
1. Turn ignition switch OFF.
2. Disconnect electric throttle c ontrol actuator harness connector.
3. Check the resistance between electric throttle control actuator terminals as per the following.
Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2. 2.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
Electric throttle control actuator ECM
Continuity
Connector Terminal Connector Terminal
F7 5
F10 1 Not existed
4 Existed
6 1 Existed
4 Not existed Terminals Resistance
5 and 6 Approx. 1 - 15 Ω [at 25 °C (77 °F)] PBIB2909E

Special Repair Requirement " .
>> INSPECTION END
Special Repair Requirement INFOID:0000000004780462THROTTLE VALVE CLOSED POSITION LE
ARNING : Special Repair Requirement "
>> GO TO 2.
IDLE AIR VOLUME LEARNING : Special Repair Requirement "
>> END

EC
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P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
Description INFOID:0000000004780314
Electric throttle control actuator consists of throttle 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 Logic INFOID:0000000004780315
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE YES >> Go to
EC-397, " Diagnosis Procedure " .
NO >> GO TO 3. YES >> Go to
EC-397, " Diagnosis Procedure " .
NO >> INSPECTION END
Diagnosis Procedure INFOID:0000000004780316

EC-398< COMPONENT DIAGNOSIS >
[HR16DE]
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
3. Check if foreign matter is caught between the throttle valve (1) and the housing.
- Electric throttle control actuator (2)
Is the inspection result normal? YES >> GO TO 2.
NO >> Remove the foreign matter and clean the electric throttle
control actuator inside. 2.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric throttle control actuator.
2. Perform EC-398, " Special Repair Requirement " .
>> INSPECTION END
Special Repair Requirement INFOID:00000000047804631.
PERFORM THROTTLE VALVE CL OSED POSITION LEARNING
Refer to EC-31, " THROTTLE VALVE CLOSED POSITION LE
ARNING : Special Repair Requirement "
>> GO TO 2.
2.
PERFORM IDLE AIR VOLUME LEARNING
Refer to EC-32, " IDLE AIR VOLUME LEARNING : Special Repair Requirement "
>> END JMBIA0447ZZ

EC
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P2122, P2123 APP SENSOR
Description INFOID:0000000004780318
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 accelerato r pedal is determined by the ECM
receiving the signal from the acce lerator pedal position sensor. The
ECM uses this signal for the engine operation such as fuel cut.
DTC Logic INFOID:0000000004780319
DTC DETECTION LOGIC NOTE:
If DTC P2122 or P2123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-358, " DTC Logic " .
DTC CONFIRMATION PROCEDURE YES >> Go to
EC-400, " Diagnosis Procedure " .
NO >> INSPECTION END

Ground Inspection " .
Is the inspection result normal?

P2122, P2123 APP SENSOR
EC-401
< COMPONENT DIAGNOSIS >
[HR16DE] C
D E
F
G H
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M A EC
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YES >> GO TO 2.
NO >> Repair or replace ground connection. 2.
CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between APP sensor harness connector and
ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power
in harness or connectors. 3.
CHECK APP SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between APP sens or harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair open circuit or short to ground or short to power in harness or connectors. 4.
CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between APP sens or harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair open circuit or short to ground or short to power in harness or connectors. 5.
CHECK APP SENSOR
Refer to EC-402, " Component Inspection " .
Is the inspection result normal? YES >> GO TO 7.
NO >> GO TO 6. 6.
REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-402, " Special Repair Requirement " .
>> INSPECTION END 7.
CHECK INTERMITTENT INCIDENT APP sensor
Ground Voltage
Connector Terminal
E12 4 Ground Approx. 5 V PBIA9606J
APP sensor ECM
Continuity
Connector Terminal Connector Terminal
E12 2 E16 111 Existed APP sensor ECM
Continuity
Connector Terminal Connector Terminal
E12 3 E16 110 Existed

Diagnosis Procedure " .
>> INSPECTION END
Component Inspection INFOID:0000000004780321YES >> INSPECTION END
NO >> GO TO 2. Special Repair Requirement " .
>> INSPECTION END
Special Repair Requirement INFOID:0000000004780322ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Special Repair Requirement " .
>> GO TO 2. THROTTLE VALVE CLOSED POSITION LE
ARNING : Special Repair Requirement " .
>> GO TO 3. IDLE AIR VOLUME LEARNING : Special Repair Requirement " .
>> END ECM
Ground Condition Voltage
Connector Terminal
E16 110
(APP sensor 1 signal) GroundAccelerator
pedal Fully released 0.6 - 0.9 V
Fully depressed 3.9 - 4.7 V
103
(APP sensor 2 signal) Fully released 0.3 - 0.6 V
Fully depressed 1.95 - 2.4 V

P2127, P2128 APP SENSOR
EC-403
< COMPONENT DIAGNOSIS >
[HR16DE] C
D E
F
G H
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K L
M A EC
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P2127, P2128 APP SENSOR
Description INFOID:0000000004780323
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 accelerato r pedal is determined by the ECM
receiving the signal from the acce lerator pedal position sensor. The
ECM uses this signal for the engine operation such as fuel cut.
DTC Logic INFOID:0000000004780324
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE 1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, 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-404, " Diagnosis Procedure " .
NO >> INSPECTION END PBIB1741E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2127 Accelerator pedal position
sensor 2 circuit low input An excessively low voltage from the APP
sensor 2 is sent to ECM. • Harness or connectors
(APP sensor 2 circuit is open or shorted.)
[Crankshaft position sensor (POS) circuit
is shorted.]
(Refrigerant pressure sensor circuit is
shorted.)
(EVAP control system pressure sensor
circuit is shorted.)
• Accelerator pedal position sensor (APP sensor 2)
• Crankshaft position sensor (POS)
• Refrigerant pressure sensor
• EVAP control system pressure sensor
P2128
Accelerator pedal position
sensor 2 circuit high input An excessively high voltage from the APP
sensor 2 is sent to ECM.

Ground Inspection " .
Is the inspection result normal?