2011 NISSAN LATIO Service Repair Manual

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Page 1753 of 3787

NISSAN LATIO 2011 Service Repair Manual POSITIVE CRANKCASE VENTILATIONEC-459
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POSITIVE CRANKCASE VENTILATION
DescriptionINFOID:0000000005930144
This system returns blow-by gas

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NISSAN LATIO 2011 Service Repair Manual EC-460
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REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR
DescriptionINFOID:0000000005930146
The refrigerant pressure sensor is installed at the condenser of the a

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NISSAN LATIO 2011 Service Repair Manual REFRIGERANT PRESSURE SENSOREC-461
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Wiring DiagramINFOID:0000000005930148
Diagnosis ProcedureINFOID:0000000005930149
1.CHECK GROUND CONNE

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NISSAN LATIO 2011 Service Repair Manual EC-462
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REFRIGERANT PRESSURE SENSOR
4. Check ground connections E15, E24. Refer to
EC-127, "Ground Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >>

Page 1757 of 3787

NISSAN LATIO 2011 Service Repair Manual REFRIGERANT PRESSURE SENSOREC-463
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Is the inspection result normal?
YES >> GO TO 8.
NO >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check th

Page 1758 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-464
< ECU DIAGNOSIS >[HR16DE]
ECM
ECU DIAGNOSIS
ECM
Reference ValueINFOID:0000000005930150
VALUES ON THE DIAGNOSIS TOOL
Remarks:
• Specification data are reference values.
• Specification data

EC-464
< ECU DIAGNOSIS >[HR16DE]
ECM
ECU DIAGNOSIS
ECM
Reference ValueINFOID:0000000005930150
VALUES ON THE DIAGNOSIS TOOL
Remarks:
• Specification data are reference values.
• Specification data are output/input values which are
detected or supplied by the ECM at the connector.
*Specification data may not be directly relat ed to their components signals/values/operations.
I.e. Adjust ignition timing with a timing light before m onitoring IGN TIMING, because the monitor may show the
specification data in spite of the ignition timing not bei ng adjusted to the specification data. this IGN TIMING
monitors the data calculated by the ECM according to the signals input from the camshaft position sensor and
other ignition timing related sensors.
Monitor Item Condition Values/Status
ENG SPEED • Run engine an d compare CONSULT-III value with the tachometer indication.Almost the same speed as
the tachometer indication.
MAS A/F SE-B1 See EC-115, "
Diagnosis Procedure".
B/FUEL SCHDL See EC-115, "
Diagnosis Procedure".
A/F ALPHA-B1 See EC-115, "
Diagnosis Procedure".
COOLAN TEMP/S • Engine: After warming up More than 70°C (158F)
A/F SEN1 (B1) • Engine: After warming up Maintaining engine speed at 2,000 rpm Fluctuates around 2.2 V
HO2S2 (B1) • Revving engine from idle up to 3,000 rpm quickly after the following conditions
are met.
- Engine: After warming up
- After keeping engine speed between 3,500 and 4,000 rpm for 1 minute and at idle for 1 minute under no load 0 - 0.3 V
←→ Approx. 0.6 -
1.0 V
HO2S2 MNTR (B1) LEAN ←→ RICH
VHCL SPEED SE • Turn drive wheels and compare CONSULT-III value with the speedometer in-
dication. Almost the same speed as
speedometer indication
BATTERY VOLT • Ignition switch: ON (Engine stopped) 11 - 14 V
ACCEL SEN 1 • Ignition switch: ON
(Engine stopped) Accelerator pedal: Fully released 0.6 - 0.9 V
Accelerator pedal: Fully depressed 4.0 - 4.8 V
ACCEL SEN 2 • Ignition switch: ON
(Engine stopped) Accelerator pedal: Fully released 0.6 - 0.9 V
Accelerator pedal: Fully depressed 3.9 - 4.8 V
TP SEN 1-B1 • Ignition switch: ON
(Engine stopped)
• Selector lever position: D (A/T) or 1st (M/T) Accelerator pedal: Fully released More than 0.36 V
Accelerator pedal: Fully depressed Less than 4.75 V
TP SEN 2-B1 • Ignition switch: ON
(Engine stopped)
• Selector lever position: D (A/T) or 1st (M/T) Accelerator pedal: Fully released More than 0.36 V
Accelerator pedal: Fully depressed Less than 4.75 V
START SIGNAL • Ignition switch: ON → START → ON OFF → ON → OFF
CLSD THL POS • Ignition switch: ON
(Engine stopped) Accelerator pedal:
Fully released ON
Accelerator pedal: Slightly depressed OFF
AIR COND SIG • Engine: After warming up, idle the
engine Air conditioner switch: OFF
OFF
Air conditioner switch: ON
(Compressor operates.) ON
P/N POSI SW • Ignition switch: ON Selector lever position: P or N (A/T) or
Neutral (M/T)
ON
Selector lever position: Except above OFF
Revision: May 2010 2011 Versa

Page 1759 of 3787

NISSAN LATIO 2011 Service Repair Manual ECM
EC-465
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PW/ST SIGNAL
• Engine: After warming up, idle the
engine Steering wheel: Not being turned OFF
Steering wheel: Being turned
ON
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ECM
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PW/ST SIGNAL
• Engine: After warming up, idle the
engine Steering wheel: Not being turned OFF
Steering wheel: Being turned
ON
LOAD SIGNAL • Ignition switch: ON Rear window defogger switch: ON
and/or Lighting switch: 2nd position
ON
Rear window defogger switch and lighting
switch: OFF OFF
IGNITION SW • Ignition switch: ON → OFF → ON ON → OFF → ON
HEATER FAN SW • Engine: After warming up, idle the
engine Heater fan switch: ON
ON
Heater fan switch: OFF OFF
BRAKE SW • Ignition switch: ON Brake pedal: Fully released
OFF
Brake pedal: Slightly depressed ON
INJ PULSE-B1 • Engine: After warming up
• Selector lever position: P or N (A/
T) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
2.0 - 3.0 msec
2,000 rpm 1.9 - 2.9 msec
IGN TIMING • Engine: After warming up
• Selector lever position: P or N (A/
T) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
10 - 20°BTDC
2,000 rpm 25 - 45°BTDC
CAL/LD VALUE • Engine: After warming up
• Selector lever position: P or N (A/
T) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
10 - 35%
2,500 rpm 10 - 35%
MASS AIRFLOW • Engine: After warming up
• Selector lever position: P or N (A/
T) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
1.0 - 4.0 g/s
2,500 rpm 2.0 - 10.0 g/s
PURG VOL C/V • Engine: After warming up
• Selector lever position: P or N (A/
T) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
0%
2,000 rpm 0 - 50%
INT/V TIM (B1) • Engine: After warming up
• Selector lever position: P or N (A/
T) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
−5 - 5 °CA
2,000 rpm Approx. 0 - 40°CA
INT/V SOL (B1) • Engine: After warming up
• Selector lever position: P or N (A/
T) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
0 - 2%
2,000 rpm Approx. 0 - 90%
AIR COND RLY • Engine: After warming up, idle the
engine Air conditioner switch: OFF
OFF
Air conditioner switch: ON
(Compressor operates) ON
FUEL PUMP RLY • For 1 second after turning ignition switch: ON
• Engine running or cranking
ON
• E
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cept above OFF
THRTL RELAY • Ignition switch: ON ON
Monitor Item
Condition Values/Status
Revision: May 2010 2011 Versa

Page 1760 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-466
< ECU DIAGNOSIS >[HR16DE]
ECM
*: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they
differ from
ECM terminals voltage

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