2011 NISSAN LATIO diagram

EC-856
< SERVICE INFORMATION >[MR18DE]
DTC P0452 EVAP CONTROL
SYSTEM PRESSURE SENSOR
OK or NG
OK >> GO TO 8.
NG >> Repair short to ground or short to power in harness or connectors.
8.CHECK COMPONENTS
Check the following.
• Refrigerant pressure sensor (Refer to MTC-38, "
Magnet Clutch Circuit (If Equipped)".)
• Crankshaft position sensor (POS) (Refer to EC-798, "
Component Inspection".)
OK or NG
OK >> GO TO 9.
NG >> Replace malfunctioning components.
9.CHECK APP SENSOR
Refer to EC-969, "
Component Inspection".
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10.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
11 .CHECK EVAP CONTROL SYSTEM PRESSURE SE NSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP control sy stem pressure sensor terminal 1 and ECM terminal
51. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 13.
NG >> GO TO 12.
12.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness connectors M69, E7
• Harness connectors B102, M13
• Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
13.CHECK EVAP CONTROL SYSTEM PRESSURE SEN SOR INPUT SIGNAL CIRCUIT FOR OPEN AND
SHORT
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"
Continuity should exist.
Revision: May 2010 2011 Versa

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-857
< SERVICE INFORMATION > [MR18DE]
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1. Check harness continuity between ECM terminal 42 and EVAP control system pressure sensor terminal
2. Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 15.
NG >> GO TO 14.
14.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness connectors M69, E7
• Harness connectors B102, M13
• Harness for open or short between ECM and EVAP control system pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
15.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to EC-850, "
Component Inspection".
OK or NG
OK >> GO TO 16.
NG >> Replace EVAP control system pressure sensor.
16.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
>> INSPECTION END
Component InspectionINFOID:0000000006342027
EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove EVAP control system pr essure sensor with its harness connector connected from EVAP canister.
Always replace O-ring with a new one.
2. Install a vacuum pump to EVAP control system pressure sensor.
3. Turn ignition switch ON and check output voltage between ECM terminal 42 (EVAP control system pressure sensor signal) and
ground under the following conditions.
CAUTION:
• Always calibrate the vacuum pu mp gauge when using it.
• Do not apply below -93.3 kP a (-700 mmHg, -27.56 inHg) or
pressure over 101.3 kPa (760 mmHg, 29.92 inHg).
4. If NG, replace EVAP control system pressure sensor. Continuity should exist.
Applied vacuum kPa
(mmHg, inHg) Voltage (V)
Not applied 1.8 - 4.8
-26.7 (-200, -7.87) 2.1 to 2.5 V lower than above value
PBIB3314E
Revision: May 2010 2011 Versa

EC-860
< SERVICE INFORMATION >[MR18DE]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
Wiring Diagram
INFOID:0000000006342032
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.
AABWA0225GB
Revision: May 2010 2011 Versa

DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-863
< SERVICE INFORMATION > [MR18DE]
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OK or NG
OK >> GO TO 8.
NG >> Repair short to ground or short to power in harness or connectors.
8.CHECK COMPONENTS
Check the following.
• Refrigerant pressure sensor (Refer to MTC-38, "
Magnet Clutch Circuit (If Equipped)".)
• Crankshaft position sensor (POS) (Refer to EC-798, "
Component Inspection".)
OK or NG
OK >> GO TO 9.
NG >> Replace malfunctioning components.
9.CHECK APP SENSOR
Refer to EC-969, "
Component Inspection".
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10.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
11 .CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP control s ystem pressure sensor terminal 1 and ECM terminal
51. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 13.
NG >> GO TO 12.
12.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E85, F8
• Harness connectors M69, E7
• Harness connectors B102, M13
• Harness for open or short between EVAP c ontrol system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
13.CHECK EVAP CONTROL SYSTEM PRESSURE SENS OR INPUT SIGNAL CIRCUIT FOR OPEN AND
SHORT
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"
Continuity should exist.
Revision: May 2010 2011 Versa

EC-864
< SERVICE INFORMATION >[MR18DE]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
1. Check harness continuity between ECM terminal 42 and EVAP control system pressure sensor terminal
2. Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 15.
NG >> GO TO 14.
14.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness connectors M69, E7
• Harness connectors B102, M13
• Harness for open or short between ECM and EV AP control system pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
15.CHECK RUBBER TUBE
1. Disconnect rubber tube connected to EV AP canister vent control valve.
2. Check the rubber tube for clogging, vent and kinked.
OK or NG
OK >> GO TO 16.
NG >> Clean the rubber tube using an air blower, repair or replace rubber tube.
16.CHECK EVAP CANISTER VENT CONTROL VALVE
Refer to EC-840, "
Component Inspection".
OK or NG
OK >> GO TO 17.
NG >> Replace EVAP canister vent control valve.
17.CHECK EVAP CONTROL SYS TEM PRESSURE SENSOR
Refer to EC-850, "
Component Inspection".
OK or NG
OK >> GO TO 18.
NG >> Replace EVAP control system pressure sensor.
18.CHECK DRAIN FILTER
Refer to EC-814, "
Component Inspection".
OK or NG
OK >> GO TO 19.
NG >> Replace drain filter.
19.CHECK IF EVAP CANISTER SATURATED WITH WATER
1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached.
2. Does water drain from the EVAP canister?
Ye s o r N o
Yes >> GO TO 20.
No >> GO TO 22. Continuity should exist.
PBIB1213E
Revision: May 2010
2011 Versa

DTC P0643 SENSOR POWER SUPPLYEC-899
< SERVICE INFORMATION > [MR18DE]
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Wiring DiagramINFOID:0000000006342082
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground ot her than ECM terminals, such as the ground.
BBWA2649E
Revision: May 2010 2011 Versa

DTC P0643 SENSOR POWER SUPPLYEC-901
< SERVICE INFORMATION > [MR18DE]
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2.CHECK ACCELERATOR PEDAL POSITION
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 8.
NG >> GO TO 3.
3.CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 4 and ECM terminal 106. 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 SENSOR POWER SUPPLY CIRCUITS
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 CAMSHAFT POSITI ON SENSOR (PHASE)
Refer to EC-803, "
Component Inspection".
OK or NG
OK >> GO TO 6.
NG >> Replace camshaft position sensor (PHASE).
6.CHECK THROTTLE POSITION SENSOR
Refer to EC-695, "
Component Inspection".
BBIA0705E
Voltage: Approximately 5 V
PBIA9606J
Continuity should exist.
ECM terminal Sensor terminalReference Wiring Diagram
72 Throttle position sensor terminal 1 EC-978, "
Wiring Diagram"
78Camshaft position sensor (PHASE) terminal 1 EC-800, "Wiring Diagram"
106APP sensor terminal 4 EC-899, "Wiring Diagram"
Revision: May 2010 2011 Versa

DTC P0850 PNP SWITCHEC-905
< SERVICE INFORMATION > [MR18DE]
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Wiring DiagramINFOID:0000000006342089
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground ot her than ECM terminals, such as the ground.
ABBWA0627GB
Revision: May 2010 2011 Versa