2016 NISSAN NOTE cooling

SYSTEMEC-39
< SYSTEM DESCRIPTION > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
Cooling Fan Operation
Cooling Fan Relay Operation
The ECM controls cooling fan relays through CAN communication line.
SYSTEM DESCRIPTION (M/T MODELS)
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant temperature, refrigerant pres-
sure, air conditioner ON signal. Then contro
l system has 2-step control [HIGH/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
The ECM controls cooling fan relays through CAN communication line.
PBIB2483E
Cooling fan speed Cooling fan relay
123
Stop (OFF) OFFOFF OFF
Low (LOW) ONOFF OFF
High (HI) ONON ON
JSBIA1323GB
Cooling fan speed Cooling fan relay
Stop (OFF) OFF
Operate (HI) ON
Revision: August 20152016 Versa Note

cardiagn.com

DIAGNOSIS SYSTEM (ECM)EC-63
< SYSTEM DESCRIPTION > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
OLOAD SIGNAL ON/OFF
• Indicates [ON/OFF] condition of the electrical
lode signal.
- ON: Rear window defogger switch is ON and/or lighting switch is 2nd position.
- OFF: Both rear window defogger switch and light-
ing switch are OFF.
IGNITION SW ON/OFFIndicates [ON/OFF] condition from ignition switch
signal.
HEATER FAN SW ON/OFF Indicates [ON/OFF] condition from the heater fan
switch signal.
BRAKE SW ON/OFFIndicates [ON/OFF] condition from the stop lamp
switch signal.
INJ PULSE-B1 msecIndicates the actual fuel injection pulse width com-
pensated by ECM according to the input signals. When the engine is stopped, a certain
computed value is indicated.
IGN TIMING BTDCIndicates the ignition timing computed by ECM ac-
cording to the input signals. When the engine is stopped, a certain
value is indicated.
CAL/LD VALUE %“Calculated load value” indicates the value of the
current air flow divided by peak air flow.
MASS AIRFLOW g/sIndicates the mass air flow computed by ECM ac-
cording to the signal voltage of the mass air flow
sensor.
PURG VOL C/V %• Indicates the EVAP canister purge volume con-
trol solenoid valve control value computed by the
ECM according to the input signals.
• The opening becomes larger as the value in-
creases.
INT/V TIM(B1) °CA Indicates [ °CA] of intake camshaft advance angle.
EXH/V TIM B1 °CA Indicates [ °CA] of exhaust camshaft retard angle.
INT/V SOL(B1) %• The control value of the intake valve timing con-
trol solenoid valve (determined by ECM accord-
ing to the input signals) is indicated.
• The advance angle becomes larger as the value increases.
AIR COND RLY ON/OFF The air conditioner relay control condition (deter-
mined by ECM according to the input signals) is in-
dicated.
FUEL PUMP RLY ON/OFF Indicates the fuel pump relay control condition de-
termined by ECM according to the input signals.
VENT CONT/V ON/OFF • The control condition of the EVAP canister vent
control valve (determined by ECM according to
the input signals) is displayed.
- ON: Closed
-OFF: Open
THRTL RELAY ON/OFF Indicates the throttle control motor relay control
condition determined by the ECM according to the
input signals.
COOLING FAN HI/LOW/OFF • Indicates the condition of the cooling fan (deter-
mined by ECM according to the input signals).
- HI: High speed operation
- LOW: Low speed operation
-OFF: Stop
HO2S2 HTR (B1) ON/OFF Indicates [ON/OFF] condition of heated oxygen
sensor 2 heater determined by ECM according to
the input signals.
Monitored item Unit
DescriptionRemarks
Revision: August 2015 2016 Versa Note

cardiagn.com

EC-68
< SYSTEM DESCRIPTION >[HR16DE]
DIAGNOSIS SYSTEM (ECM)
*: Leaving cooling fan OFF with CONSULT while engine is running may cause the engine to overheat.TEST ITEM
CONDITION JUDGMENTCHECK ITEM (REMEDY)
FUEL INJECTION • Engine: Return to the original trouble
condition
• Change the amount of fuel injection
using CONSULT. If trouble symptom disappears, see
CHECK ITEM.
• Harness and connectors
• Fuel injector
• Air fuel ratio (A/F) sensor 1
ENG COOLANT
TEMP • Engine: Return to the original trouble
condition
• Change the engine coolant tempera-
ture using CONSULT. If trouble symptom disappears, see
CHECK ITEM.• Harness and connectors
• Engine coolant temperature
sensor
• Fuel injector
PURG VOL CONT/V • Engine: After warming up, run engine
at 1,500 rpm.
• Change the EVAP canister purge vol-
ume control solenoid valve opening
percent using CONSULT. Engine speed changes according to
the opening percent.
• Harness and connectors
• Solenoid valve
FUEL/T TEMP SEN Change the fuel tank temperature using CONSULT.
COOLING FAN* • Ignition switch: ON
• Turn the cooling fan “LOW”, “HI” and
“OFF” CONSULT. Cooling fan moves and stops.
• Harness and connectors
• IPDM E/R (Cooling fan relay)
• Cooling fan motor
ALTERNATOR
DUTY • Engine: Idle
• Change duty ratio using CONSULT.
Battery voltage changes.• Harness and connectors
• IPDM E/R
•Alternator
FUEL PUMP RELAY • Ignition switch: ON
• Turn the fuel pump relay “ON” and
“OFF” using CONSULT and listen to
operating sound. Fuel pump relay makes the operat-
ing sound.
• Harness and connectors
•Fuel pump relay
IGNITION TIMING • Engine: Return to the original trouble
condition
• Timing light: Set
• Retard the ignition timing using CON- SULT. If trouble symptom disappears, see
CHECK ITEM.
Perform Idle Air Volume Learn-
ing.
POWER BALANCE • Engine: After warming up, idle the en-
gine.
• A/C switch OFF
• Shift lever: P or N (CVT), Neutral (M/
T)
• Cut off each fuel injector signal one at
a time using CONSULT. Engine runs rough or dies.
• Harness and connectors
• Compression
• Fuel injector
• Power transistor
• Spark plug
• Ignition coil
VENT CONTROL/V • Ignition switch: ON
• Turn solenoid valve ON and OFF with
the CONSULT and listen to operating
sound. Solenoid valve makes an operating
sound.
• Harness and connectors
• EVAP canister vent control
solenoid valve
INT V/T ASSIGN
ANGLE • Engine: Return to the original non-
standard condition
• Change intake valve timing using CONSULT. If malfunctioning symptom disap-
pears, see CHECK ITEM.
• Harness and connectors
• Intake valve timing control
solenoid valve
EX H V/T ASSIGN
ANGLE •
E

ngine: Return to the original non-
standard condition
• Change exhaust valve timing using CONSULT. If malfunctioning symptom disap-
pears, see CHECK ITEM.
• Harness and connectors
• Exhaust valve timing control
solenoid valve
ACTIVE GRILLE
SHUTTER NOTE:
Initial position learning is required every
time when the ignition switch is turned
OFF.
1. Engine: Idle speed
2. Touch “CALIBRTN” to perform ini-
tial position learning.
3. Touch “OPEN” or “CLOSE” to op- erate active grille shutter. Active grille shutter fully opens or
fully closes.
• Harness or connector
• Active grille shutter actuator
• Active grille shutter
Revision: August 2015
2016 Versa Note

cardiagn.com

ECM
EC-73
< ECU DIAGNOSIS INFORMATION > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
EXH/V TIM B1
• Engine: After warming up
• Selector lever position: P or N
(CVT) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
−5 ° - 5 °CA
When revving engine up to 2,000rpm
Quickly Approx. 0
° - 40 °CA
INT/V SOL(B1) • Engine: After warming up
• Selector lever position: P or N
(CVT) or Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
0% - 2%
When revving engine up to 2,000rpm
Quickly 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 seconds after turning ignition switch: ON
• Engine running or cranking
ON
• Except above OFF
VENT CONT/V • Ignition switch: ON OFF
THRTL RELAY • Ignition switch: ON ON
COOLING FAN • Engine: After warning up, idle the
engine
• Air conditioner switch: OFF Engine coolant temperature is 98
°C
(208 °F) or less OFF
Engine coolant temperature is between
98 °C (208 °F) and 99° C (210°F) LOW
Engine coolant temperature is 100 °C
(212 °F) or more HIGH
HO2S2 HTR (B1) • Engine speed: Below 3,600 rpm after the following conditions are met.
- Engine: After warming up
- Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and at
idle for 1 minute under no load ON
ALT DUTY SIG • Power generation voltage variable control: Operating
ON
• Power generation voltage variable control: Not operating OFF
I/P PULLY SPD • Vehicle speed: More than 20 km/h (12 MPH) Almost the same speed as
the tachometer indication
VEHICLE SPEED • Turn drive wheels and compare CONSULT value with the speedometer indi-
cation. Almost the same speed as
speedometer indication
IDL A/V LEARN • En gine: running Idle air volume learning has not been per-
formed yet.
YET
Idle air volume learning has already been
performed successfully. CMPLT
TRVL AFTER MIL • Ignition switch: ON Vehicle has traveled after MIL has turned
ON.0 - 65,535 km
(0 - 40,723 miles)
ENG OIL TEMP • Engine: After warming up More than 70°C (158F)
A/F S1 H TR
(B1) •

Engine: After warming up, idle the engine
(More than 140 seconds after starting engine) 4 - 100%
VHCL SPEED SE • Turn drive wheels and compare CONSULT value with the speedometer indi-
cation. Almost the same speed as
speedometer indication
SET VHCL SPD • Engine: Running ASCD: OperatingThe preset vehicle speed is
displayed
MAIN SW • Ignition switch: ON MAIN switch: Pressed
ON
MAIN switch: Released OFF
CANCEL SW • Ignition switch: ON CANCEL switch: Pressed
ON
CANCEL switch: Released OFF
Monitor Item
Condition Values/Status
Revision: August 2015 2016 Versa Note

cardiagn.com

EC-84
< ECU DIAGNOSIS INFORMATION >[HR16DE]
ECM
P0014 Exhaust valve timing control The signal is not energized to the exhaust valve timing control solenoid valve and the valve
control does not function.
P0101
P0102
P0103 Mass air flow sensor circuit Engine speed will not rise more than 2,400 rpm due to the fuel cut.
P0117
P0118 Engine coolant temperature
sensor circuit Engine coolant temperature will be determined by ECM based on the following conditions.
CONSULT displays the engine coolant temperature decided by ECM.
Condition Engine coolant temperature decided
(CONSULT display)
Just as ignition switch is turned ON or START 40°C (104 °F)
Approx. 4 minutes or more after engine starting 80°C (176 °F)
Except as shown above 40 - 80
°C (104 - 176 °F)
(Depends on the time)
• When the fail safe system for engine coolant temperature sensor is activated, the cool- ing fan operates while engine is running.
• ECM operates active grille shutter to fully-open position.
P0116
P0125 Engine coolant temperature
sensor ECM operates active grille shutter to fully-open position.
P0122
P0123
P0222
P0223
P2135 Throttle position sensor ECM controls the electric throttle control actuator in regulating the throttle opening in order
for the idle position to be within +10 degrees.
ECM regulates the opening speed of the throttle valve to be slower than the normal con-
dition.
So, the acceleration will be poor.
P0196
P0197
P0198 Engine oil temperature sensor • Exhaust valve timing control does not function.
• ECM operates active grille shutter to fully-open position.
P0500 Vehicle speed sensor • The cooling fan operates (Highest) while engine is running.
• ECM operates active grille shutter to fully-open position.
P0524 Engine oil pressure • ECM illuminates oil pressure warning lamp on the combination meter.
• Engine speed will not rise more than 4,000 rpm due to the fuel cut.
• Fail-safe is canceled when ignition switch OFF → ON.
P059F Active grille shutter • When a voltage and temperature related malfunction is detected, the active grille shutter
stops at the position of detection.
• Except for the above case, operates the active grille shutter to fully opened position.
P0603
P0607 ECM
Engine torque may be limited.
P0604
ECM • ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (Approx. 5 decrees) by the return spring.
• The position of the following commponents is fixed.
- Intake valve timing control solenoid valve
- Exhaust valve timing control solenoid valve
• ASCD operation may be deactivated.
P0605
P0606
P060B
ECM NOTE:
Fail-safe may not occur depending on malfunction type.
• ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (Approx. 5 decrees) by the return spring.
• The position of the following commponents is fixed.
- Intake valve timing control solenoid valve
- Exhaust valve timing control solenoid valve
• ASCD operation may be deactivated.
DTC No. Detected items
Engine operating condition in fail safe mode
Revision: August 2015 2016 Versa Note

cardiagn.com

HOW TO SET SRT CODEEC-143
< BASIC INSPECTION > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
• Fuel tank temperature: Less than 4.1 V
Refer to
EC-71, "
Reference Value".
>> GO TO 6.
6.PATTERN 2
1. Drive the vehicle. And depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH), then
release the accelerator pedal and keep it released for more than 10 seconds.
2. Depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH) again
NOTE:
• Checking the vehicle speed with GST is advised.
• When steady-state driving is performed again even afte r it is interrupted, each diagnosis can be conducted.
In this case, the time required for diagnosis may be extended.
>> GO TO 7.
7.PATTERN 3
• Operate vehicle following the driving pattern shown in the figure.
- Release the accelerator pedal during deceleration of vehicle speed from 90 km/h (56 MPH) to 0 km/h (0 MPH).
>> GO TO 8.
8.PATTERN 4
• Operate vehicle following the driving pattern shown in the figure.
- Drive the vehicle in a proper gear at 60 km/h (38 MPH) and main- tain the speed.
- Release the accelerator pedal fully at least 5 seconds.
- Repeat the above two steps at least 5 times.
>> GO TO 9.
9.PATTERN 5
• The accelerator pedal must be held very steady during steady-state driving.
• If the accelerator pedal is moved, the test must be conducted again.
>> GO TO 10.
10.PATTERN 6
• Cool down the engine so that the engine c oolant temperature lowers between 15 – 35°C (59 – 95 °F).
CAUTION:
Never turn the ignition switch ON while cooling down the engine.
• Engine coolant temperature at engine start is between 15 – 35 °C (59 – 95 °F) and has lowered 45 °C (113 °F)
or more since the latest engine stop.
>> GO TO 11.
11 .CHECK SRT STATUS
PBIB2244E
JSBIA0160GB
Revision: August 2015 2016 Versa Note

cardiagn.com

EC-334
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P0506 ISC SYSTEM
P0506 ISC SYSTEM
DescriptionINFOID:0000000012431528
The ECM controls the engine idle speed to a specified leve
l through the fine adjustment of the air, which is let
into the intake manifold, by operating the electric thrott le control actuator. The operating of the throttle valve is
varied to allow for optimum control of the engine idli ng speed. The crankshaft position sensor (POS) detects
the actual engine speed and sends a signal to the ECM.
The ECM controls the electric throttle control actuator so that the engine speed coincides with the target value
memorized in the ECM. The target engine speed is the lowest speed at which the engine can operate steadily.
The optimum value stored in the ECM is determined by taking into consideration various engine conditions,
such as during warming up, deceleration, and engine l oad (air conditioner, power steering and cooling fan
operation, etc.).
DTC LogicINFOID:0000000012431529
DTC DETECTION LOGIC
NOTE:
If DTC P0506 is displayed with ot her DTC, first perform the trouble diagnosis for the other DTC.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
If the target idle speed is out of the specified value, perform EC-130, "
Description", before conducting
DTC Confirmation Procedure.
TESTING CONDITION:
• Before performing the following procedure, confirm th at battery voltage is more than 11 V at idle.
• Always perform the test at a temperature above −10° C (14° F).
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and run it for at least 1 minute at idle speed.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-334, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431530
1.CHECK INTAKE AIR LEAK
1. Start engine and let it idle.
2. Listen for an intake air leak after the mass air flow sensor.
Is intake air leak detected?
YES >> Discover air leak location and repair.
NO >> Replace ECM. Refer to EC-477, "
Removal and Installation".
DTC No.CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P0506 ISC SYSTEM
(Idle speed control system RPM
lower than expected) The idle speed is less than the target idle
speed by 100 rpm or more.
• Electric throttle control actuator
• Intake air leak
Revision: August 2015
2016 Versa Note

cardiagn.com

P0507 ISC SYSTEMEC-335
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
P0507 ISC SYSTEM
DescriptionINFOID:0000000012431531
The ECM controls the engine idle speed to a specified level through the fine adjustment of the air, which is let
into the intake manifold, by operating the electric thrott
le control actuator. The operating of the throttle valve is
varied to allow for optimum control of the engine idli ng speed. The crankshaft position sensor (POS) detects
the actual engine speed and sends a signal to the ECM.
The ECM controls the electric throttle control actuator so that the engine speed coincides with the target value
memorized in the ECM. The target engine speed is the lowest speed at which the engine can operate steadily.
The optimum value stored in the ECM is determined by taking into consideration various engine conditions,
such as during warming up, deceleration, and engine load (air conditioner, power steering and cooling fan
operation, etc.).
DTC LogicINFOID:0000000012431532
DTC DETECTION LOGIC
NOTE:
If DTC P0507 is displayed with ot her DTC, first perform the trouble diagnosis for the other DTC.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
If the target idle speed is ou t of the specified value, perform EC-130, "
Description", before conducting
DTC Confirmation Procedure.
TESTING CONDITION:
• Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
• Always perform the test at a temperature above −10° C (14° F).
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and run it for at least 1 minute at idle speed.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-335, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431533
1.CHECK PCV HOSE CONNECTION
Confirm that PCV hose is connected correctly.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace error-detected parts.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P0507 ISC SYSTEM
(Idle speed control system
RPM higher than expected) The idle speed is more than the target idle
speed by 200 rpm or more. • Electric throttle
control actuator
• Intake air leak
• PCV system
Revision: August 2015 2016 Versa Note

cardiagn.com