2011 NISSAN LATIO wiring

EC-956
< SERVICE INFORMATION >[MR18DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
7.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK FUSE
1. Disconnect 15 A fuse.
2. Check 15 A fuse for blown.
OK or NG
OK >> GO TO 9.
NG >> Replace 15 A fuse.
9.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and Installation of IPDM E/R".
NG >> Repair or replace harness or connectors.
10.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Turn ignition switch OFF.
2. Disconnect electric throttle control actuator (1) harness connec- tor.
- : Vehicle front
3. Disconnect ECM harness connector.
4. Check harness continuity between the following terminals. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 11.
NG >> Repair or replace.
11 .CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Remove the intake air duct.
2. Check if foreign matter is caught between the throttle valve (1) and the housing.
- : Vehicle front
OK or NG
OK >> GO TO 12.
NG >> Remove the foreign matter and clean the electric throttle control actuator inside.
12.CHECK THROTTLE CONTROL MOTOR
Electric throttle control
actuator terminal ECM terminal
Continuity
5 1
Should not exist.
4 Should exist.
6 1
Should exist.
4 Should not exist.
PBIB3325E
BBIA0711E
Revision: May 2010 2011 Versa

DTC P2118 THROTTLE CONTROL MOTOREC-959
< SERVICE INFORMATION > [MR18DE]
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Wiring DiagramINFOID:0000000006342172
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-III.
CAUTION:
AABWA0228GB
Revision: May 2010
2011 Versa

DTC P2118 THROTTLE CONTROL MOTOREC-961
< SERVICE INFORMATION > [MR18DE]
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1. Disconnect electric throttle c
ontrol actuator (1) harness connec-
tor.
- : Vehicle front
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK THROTTLE CONTROL MOTOR
Refer to EC-961, "
Component Inspection".
OK or NG
OK >> GO TO 4.
NG >> GO TO 5.
4.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness or connectors.
5.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-580, "
Throttle Valve Closed Position Learning".
3. Perform EC-580, "
Idle Air Volume Learning".
>> INSPECTION END
Component InspectionINFOID:0000000006342174
THROTTLE CONTROL MOTOR
1. Disconnect electric throttle c ontrol actuator harness connector.
2. Check resistance between terminals 5 and 6.
3. If NG, replace electric throttle control actuator and go to next step.
4. Perform EC-580, "
Throttle Valve Closed Position Learning".
5. Perform EC-580, "
Idle Air Volume Learning".
Removal and InstallationINFOID:0000000006342175
ELECTRIC THROTTLE CONTROL ACTUATOR
Electric throttle control
actuator terminal ECM terminal
Continuity
5 1
Should not exist.
4 Should exist.
6 1
Should exist.
4 Should not exist.
PBIB3325E
Resistance: Approximately 1 - 15 Ω [at 25 °C (77° F)]
PBIB2909E
Revision: May 2010 2011 Versa

EC-966
< SERVICE INFORMATION >[MR18DE]
DTC P2122, P2123 APP SENSOR
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.
1. Start engine and let it idle for 1 second.
2. Check DTC.
3. If DTC is detected, go to EC-967, "
Diagnosis Procedure".
Wiring DiagramINFOID:0000000006342184
BBWA2652E
Revision: May 2010 2011 Versa

EC-968
< SERVICE INFORMATION >[MR18DE]
DTC P2122, P2123 APP SENSOR
NG >> Repair or replace ground connections.
2.CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor (1) harness connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 4 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 3.
NG >> 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 harness continuity between ECM terminal 111 and APP sensor terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK APP SENSOR 1 INPUT SIGN AL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 110 and APP sensor terminal 3. Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK APP SENSOR
Refer to EC-969, "
Component Inspection".
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6.REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
BBIA0705E
Voltage: Approximately 5 V
PBIA9606J
Continuity should exist.
Continuity should exist.
Revision: May 2010 2011 Versa

EC-972
< SERVICE INFORMATION >[MR18DE]
DTC P2127, P2128 APP SENSOR
Wiring Diagram
INFOID:0000000006342192
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doi ng so may result in dam-
age to the ECM's transistor. Use a ground ot her than ECM terminals, such as the ground.
BBWA3074E
Revision: May 2010 2011 Versa

EC-974
< SERVICE INFORMATION >[MR18DE]
DTC P2127, P2128 APP SENSOR
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
2.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
1. Disconnect accelerator pedal position (APP) sensor (1) harness connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 5 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 6.
NG >> GO TO 3.
3.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 5 and ECM terminal 102. Refer to Wiring Diagram.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK COMPONENTS POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 5.
NG >> Repair short to ground or short to power in harness or connectors.
5.CHECK COMPONENTS
Check the following.
• Crankshaft position sensor (POS) (Refer to EC-798, "
Component Inspection".)
• EVAP control system pressure sensor (Refer to EC-850, "
Component Inspection".)
BBIA0705E
Voltage: Approximately 5 V
PBIA9607J
Continuity should exist.
ECM terminalSensor terminalReference Wiring Diagram
74 Refrigerant pressure sensor terminal 3 EC-1029, "
Wiring Diagram"
75Crankshaft position sensor (POS) terminal 1 EC-794, "Wiring Diagram"
76EVAP control system pressure sensor terminal 3 EC-853, "Wiring Diagram"
102APP sensor terminal 5 EC-972, "Wiring Diagram"
Revision: May 2010 2011 Versa

DTC P2127, P2128 APP SENSOREC-975
< SERVICE INFORMATION > [MR18DE]
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• Refrigerant pressure sensor (Refer to
MTC-38, "Magnet Clutch Circuit (If Equipped)".)
OK or NG
OK >> GO TO 10.
NG >> Replace malfunctioning component.
6.CHECK APP SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 104 and APP sensor terminal 1. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 103 and APP sensor terminal 6. Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK APP SENSOR
Refer to EC-975, "
Component Inspection".
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9.REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-580, "
Accelerator Pedal Released Position Learning".
3. Perform EC-580, "
Throttle Valve Closed Position Learning".
4. Perform EC-580, "
Idle Air Volume Learning".
>> INSPECTION END
10.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
>> INSPECTION END
Component InspectionINFOID:0000000006342194
ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON. Continuity should exist.
Continuity should exist.
Revision: May 2010
2011 Versa