2011 NISSAN LATIO diagram

DTC P0182, P0183 FTT SENSOREC-777
< SERVICE INFORMATION > [MR18DE]
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3. Check harness continuity between “fuel level sensor unit and fuel pump” terminal 5 and combination
meter terminal 24. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors B102, M13
• Harness for open or short between “fuel level sensor unit and fuel pump” and ground.
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK FUEL TANK TEMPERATURE SENSOR
Refer to, EC-777, "
Component Inspection".
OK or NG
OK >> GO TO 7.
NG >> Replace “fuel level sensor unit and fuel pump”.
7.CHECK INTERMITTENT INCIDENT
Perform EC-632
.
>> INSPECTION END
Component InspectionINFOID:0000000006341935
FUEL TANK TEMPERATURE SENSOR
1. Check resistance between “fuel level sensor unit and fuel pump”
terminal 4 and 5 by heating with hot water as shown in the fig-
ure.
2. If NG, replace “fuel level sensor unit and fuel pump”.
Removal and InstallationINFOID:0000000006341936
FUEL TANK TEMPERATURE SENSOR
Refer to FL-6, "Removal and Installation".
Continuity should exist.
Temperature [
°C ( °F)] Resistance (k Ω)
20 (68) 2.3 - 2.7
50 (122) 0.79 - 0.90
PBIB0931E
Revision: May 2010 2011 Versa

DTC P0222, P0223 TP SENSOR
EC-779
< SERVICE INFORMATION > [MR18DE]
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2. Check DTC.
3. If DTC is detected, go to EC-780, "
Diagnosis Procedure".
Wiring DiagramINFOID:0000000006341941
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
BBWA2655E
Revision: May 2010
2011 Versa

DTC P0222, P0223 TP SENSOR
EC-781
< SERVICE INFORMATION > [MR18DE]
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1. Disconnect electric throttle c
ontrol actuator (1) harness connec-
tor.
- : Vehicle front
2. Turn ignition switch ON.
3. Check voltage between electric throttle control actuator terminal 2 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 connectors.
3.CHECK THROTTLE POSITION 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 36 and electric throttle control actuator terminal 4.
Refer to Wiring Diagram.
4. Also check harness for short to ground or 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 THROTTLE POSITION SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 33 and electric throttle control actuator terminal 1.
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 THROTTLE POSITION SENSOR
Refer to EC-782, "
Component Inspection".
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6.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".
PBIB3325E
Voltage: Approximately 5 V
PBIB3311E
Continuity should exist.
Continuity should exist.
Revision: May 2010 2011 Versa

DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MIS-
FIRE
EC-787
< SERVICE INFORMATION > [MR18DE]
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12.CHECK IGNITION TIMING
Check the following items. Refer to EC-574, "
Basic Inspection".
OK or NG
OK >> GO TO 13.
NG >> Follow the EC-574, "
Basic Inspection".
13.CHECK AIR FUEL RATIO (A/F) SENS OR 1 CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect air fuel ratio (A/F ) sensor 1 harness connector (1).
- Air fuel ratio (A/F) sensor 1 (2)
3. Disconnect ECM harness connector.
4. Check harness continuity between the following terminals. Refer to Wiring Diagram.
5. Check harness continuity between ECM terminals 49, 53 or A/F sensor 1 terminals 1, 2 and ground.
Refer to Wiring Diagram.
6. Also check harness for short to power.
OK or NG
OK >> GO TO 14.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
14.CHECK AIR FUEL RATIO (A/F) SENSOR 1 HEATER
Refer to EC-652, "
Component Inspection".
OK or NG
OK >> GO TO 16.
NG >> GO TO 15.
15.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace air fuel ratio (A/F) sensor 1.
CAUTION:
• Discard any A/F sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a
hard surface such as a concrete floor; use a new one.
• Before installing new A/F senso r, clean exhaust system threads using Oxygen Sensor Thread
Cleaner tool J-43897-18 or J-43897-12 and approved anti-seize lubricant.
>> INSPECTION END
16.CHECK MASS AIR FLOW SENSOR
Items Specifications
Target idle speed A/T: 700 ±
50 rpm (in P or N position)
CVT: 700 ± 50 rpm (in P or N position)
M/T: 700 ± 50 rpm (in Neutral position)
Ignition timing A/T: 13 ±
5° BTDC (in P or N position)
CVT: 13 ± 5 ° BTDC (in Neutral position)
M/T: 13 ± 5 ° BTDC (in Neutral position)
A/F sensor 1 terminal ECM terminal
14 9
25 3
Continuity should exist.
Continuity should not exist.
BBIA0699E
Revision: May 2010 2011 Versa

EC-790
< SERVICE INFORMATION >[MR18DE]
DTC P0327, P0328 KS
Wiring Diagram
INFOID:0000000006341951
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.
BBWA2637E
Revision: May 2010 2011 Versa

DTC P0327, P0328 KSEC-791
< SERVICE INFORMATION > [MR18DE]
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Diagnosis ProcedureINFOID:0000000006341952
1.CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check resistance between ECM terminal 37 and ground. Refer to Wiring Diagram. NOTE:
It is necessary to use an ohmmeter which can measure more than 10 MΩ .
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> GO TO 2.
2.CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT-II
1. Disconnect knock sensor (1) harness connector.
- : Vehicle front
2. Check harness continuity between ECM terminal 37 and knock sensor terminal 1. Refer to Wiring Diagram.
3. 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 KNOCK SENSOR
Refer to EC-792, "
Component Inspection".
OK or NG
OK >> GO TO 6.
NG >> Replace knock sensor.
4.CHECK GROUND CONNECTIONS
Loosen and retighten ground screws on the body.
Refer to EC-638, "
Ground Inspection".
TERMI-
NAL NO. WIRE
COLOR ITEM
CONDITION DATA (DC Voltage)
37 W Knock sensor [Engine is running]
• Idle speed
Approximately 2.5 V
40 — Sensor ground
(Knock sensor) [Engine is running]
•
Warm-up condition
• Idle speed Approximately 0 V
Resistance: Approximately 532 - 588 k
Ω [at 20 °C (68° F)]
Continuity should exist.
PBIB3264E
BBIA0698E
Revision: May 2010 2011 Versa

EC-792
< SERVICE INFORMATION >[MR18DE]
DTC P0327, P0328 KS
OK or NG
OK >> GO TO 5.
NG >> Repair or replace ground connections.
5.CHECK KNOCK SENSOR SHIELD CIRCUIT FOR OPEN AND SHORT
1. Reconnect knock sensor harness connector.
2. Check harness continuity between ECM terminal 40 and knock sensor terminal 2. Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 6.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
>> INSPECTION END
Component InspectionINFOID:0000000006341953
KNOCK SENSOR
1. Check resistance between knock sensor terminal 1 and ground.
NOTE:
It is necessary to use an ohmmeter which can measure
more than 10 M Ω.
CAUTION:
Do not use any knock sensors that have been dropped or
physically damaged. Use only new ones.
2. If NG, replace knock sensor.
Removal and InstallationINFOID:0000000006341954
KNOCK SENSOR
Refer to EM-203, "Disassembly and Assembly".
:Vehicle front
1. Body ground E24 2. Engine ground F9 3. Engine ground F16
4. Body ground E15
Continuity should exist
Resistance: Approximately 532 - 588 k Ω [at 20° C (68°F)]
SEF227W
Revision: May 2010 2011 Versa

EC-794
< SERVICE INFORMATION >[MR18DE]
DTC P0335 CKP SENSOR (POS)
Before performing the following procedure, confirm
that battery voltage is more than 10.5 V with igni-
tion switch ON.
1. Crank engine for at least 2 seconds and run it for at least 5 seconds at idle speed.
2. Check 1st trip DTC.
3. If 1st trip DTC is detected, go to EC-795, "
Diagnosis Procedure".
Wiring DiagramINFOID:0000000006341959
BBWA3071E
Revision: May 2010 2011 Versa