2011 NISSAN LATIO diagram

COOLING FAN CONTROLEC-71
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COOLING FAN CONTROL
System DiagramINFOID:0000000005929780
System DescriptionINFOID:0000000005929781
INPUT/OUTPUT SIGNAL CHART
*1: The ECM determines the start signal status by the signals of engine speed and battery voltage.
*2: This signal is sent to ECM via the CAN communication line.
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant temperature, refrigerant pres-
sure, air conditioner ON signal. Then control
system has 3-step control [HIGH/LOW/OFF].
Cooling Fan Operation
JMBIA2196GB
Sensor Input signal to ECM ECM function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE) Engine speed*
1
Cooling fan
controlIPDM E/R
↓
Cooling fan relay
↓
Cooling fan motor
Battery
Battery voltage*
1
ABS actuator and electric unit (control unit)
Vehicle speed*2Combination meter
Engine coolant temperature sensorEngine coolant temperature
BCM Air conditioner ON signal*
2
Refrigerant pressure sensorRefrigerant pressure
Revision: May 2010 2011 Versa

EVAPORATIVE EMISSION SYSTEMEC-79
< FUNCTION DIAGNOSIS > [HR16DE]
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EVAPORATIVE EMISSION SYSTEM
System DiagramINFOID:0000000005929784
System DescriptionINFOID:0000000005929785
INPUT/OUTPUT SIGNAL CHART
*1: ECM determines the start signal status by the signals of engine speed and battery voltage.
*2: This signal is sent to the ECM via the CAN communication line.
JMBIA2197GB
Sensor
Input signal to ECMECM functionActuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE) Engine speed*
1
EVAP canister
purge flow controlEVAP canister purge vol-
ume control solenoid valve
Mass air flow sensor
Amount of intake air
Engine coolant temperature sensor Engine coolant temperature
Battery Battery voltage*
1
Throttle position sensor Throttle position
Accelerator pedal position sensor Accelerator pedal position
Air fuel ratio (A/F) sensor 1 Density of oxygen in exhaust gas
(Mixture ratio feedback signal)
Fuel tank temperature sensor Fuel temperature in fuel tank
EVAP control system pressure sensor Pressure in purge line
ABS actuator and electric unit (control unit)
Vehicle speed*
2
Combination meter
Revision: May 2010 2011 Versa

INTAKE VALVE TIMING CONTROLEC-89
< FUNCTION DIAGNOSIS > [HR16DE]
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INTAKE VALVE TIMING CONTROL
System DiagramINFOID:0000000005929788
System DescriptionINFOID:0000000005929789
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM via the CAN communication line
SYSTEM DESCRIPTION
This mechanism hydraulically controls cam phases c
ontinuously with the fixed operating angle of the intake
valve.
The ECM receives signals such as crankshaft position, camshaft position, engine speed, and engine coolant
temperature. Then, the ECM sends ON/OFF pulse duty si gnals to the intake valve timing (IVT) control sole-
noid valve depending on driving status. This makes it po ssible to control the shut/open timing of the intake
valve to increase engine torque in low/mid speed range and output in high-speed range.
JMBIA2198GB
Sensor Input signal to ECMECM functionActuator
Crankshaft position sensor (POS) Engine speed and piston position
Intake valve
timing controlIntake valve timing control
solenoid valve
Camshaft position sensor (PHASE)
Engine coolant temperature sensor
Engine coolant temperature
ABS actuator and electric unit (control unit)
Vehicle speed*
Combination meter
JMBIA0060GB
Revision: May 2010 2011 Versa

POWER SUPPLY AND GROUND CIRCUITEC-123
< COMPONENT DIAGNOSIS > [HR16DE]
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POWER SUPPLY AND GROUND CIRCUIT
Wiring DiagramINFOID:0000000005929800
Diagnosis ProcedureINFOID:0000000005929801
1.INSPECTION START
Start engine.
BBWA2625E
Revision: May 2010 2011 Versa

U0101 CAN COMM CIRCUITEC-129
< COMPONENT DIAGNOSIS > [HR16DE]
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Wiring DiagramINFOID:0000000005929805
Diagnosis ProcedureINFOID:0000000005929806
Go to
LAN-17, "Trouble Diagnosis Flow Chart".
BBWA2626E
Revision: May 2010 2011 Versa

U0140 CAN COMM CIRCUITEC-131
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Wiring DiagramINFOID:0000000006141208
Diagnosis ProcedureINFOID:0000000006141209
Go to
LAN-17, "Trouble Diagnosis Flow Chart".
BBWA2626E
Revision: May 2010 2011 Versa

U1001 CAN COMM CIRCUITEC-133
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Wiring DiagramINFOID:0000000006141206
Diagnosis ProcedureINFOID:0000000006141207
Go to
LAN-17, "Trouble Diagnosis Flow Chart".
BBWA2626E
Revision: May 2010 2011 Versa

P0031, P0032 A/F SENSOR 1 HEATER
EC-139
< COMPONENT DIAGNOSIS > [HR16DE]
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Wiring DiagramINFOID:0000000005929820
Diagnosis ProcedureINFOID:0000000005929821
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connections E15, E24. Refer to EC-127, "
Ground Inspection".
Is the inspection result normal?
AABWA0308GB
Revision: May 2010 2011 Versa