2010 NISSAN TIIDA valve

INTAKE VALVE TIMING CONTROLEC-83
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Component DescriptionINFOID:0000000005398276
1. Cooling fan motor harness connec-
tor 2. Crankshaft position sensor 3. Stop lamp switch
4. Brake pedal 5. Accelerator pedal position sensor
harness connector 6. Accelerator pedal position sensor
7. Accelerator pedal 8. Fuel level sensor unit and fuel pump
harness connector (view with in-
spection hole cover removed) 9. Fuel pressure regulator
10. Fuel pump
AWBIA0044ZZ
Component Reference
Camshaft position sensor (PHASE) EC-262, "
Description"
Crankshaft position sensor (POS)EC-257, "Description"
Engine coolant temperature sensorEC-161, "Description"
Intake valve timing control solenoid valveEC-78, "System Description"
Revision: January 20102010 Versa

ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-99
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*: This function is not necessary in the usual service procedure.
SELF DIAGNOSTIC RESULT MODE
Self Diagnostic Item
Regarding items of DTC and 1st trip DTC, refer to EC-468, "DTCIndex".)
Freeze Frame Data and 1st Trip Freeze Frame Data
WORK ITEM
CONDITION USAGE
FUEL PRESSURE RELEASE • FUEL PUMP WILL STOP BY TOUCHING “START” DUR- ING IDLING.
CRANK A FEW TIMES AFTER ENGINE STALLS. When releasing fuel pressure from
fuel line
IDLE AIR VOL LEARN • THE IDLE AIR VOLUME THAT KEEPS THE ENGINE WITHIN THE SPECIFIED RANGE IS MEMORIZED IN
ECM. When learning the idle air volume
SELF-LEARNING CONT • THE COEFFICI ENT OF SELF-LEARNING CONTROL
MIXTURE RATIO RETURNS TO THE ORIGINAL COEF-
FICIENT. When clearing mixture ratio self-
learning value
EVAP SYSTEM CLOSE CLOSE THE EVAP CANISTER VENT CONTROL VALVE IN ORDER TO MAKE EVAP SYSTEM CLOSE UNDER THE
FOLLOWING CONDITIONS.
• IGN SW ON
• ENGINE NOT RUNNING
• AMBIENT TEMPERATURE IS ABOVE 0 °C (32 °F).
• NO VACUUM AND NO HIGH PRESSURE IN EVAP SYS- TEM
• FUEL TANK TEMP. IS MORE THAN 0 °C (32 °F).
• WITHIN 10 MINUTES AFTER STARTING “EVAP SYS- TEM CLOSE”
• WHEN TRYING TO EXECUTE “EVAP SYSTEM CLOSE”
UNDER THE CONDITION EXCEPT ABOVE, CONSULT-
II WILL DISCONTINUE IT AND DISPLAY APPROPRIATE
INSTRUCTION.
NOTE:
WHEN STARTING ENGINE, CONSULT-III MAY DIS-
PLAY “BATTERY VOLTAGE IS LOW. CHARGE BAT-
TERY”, EVEN IN USING CHARGED BATTERY. When detecting EVAP vapor leak
point of EVAP system
VIN REGISTRATION • IN THIS MODE, VIN IS REGIST ERED IN ECM.When registering VIN in ECM
TARGET IDLE RPM ADJ* • IDLE CONDITION When setting target idle speed
TARGET IGN TIM ADJ* • IDLE CONDITION When adjusting target ignition timing
Freeze frame data
item* Description
DIAG TROUBLE
CODE
[PXXXX] • The engine control co
mponent part/control system has a trouble code, it is displayed as PXXXX. (Refer to
EC-468, "
DTCIndex".)
FUEL SYS-B1 • “Fuel injection system status” at the moment a malfunction is detected is displayed.
• One mode in the following is displayed.
Mode2: Open loop due to detected system malfunction
Mode3: Open loop due to driving conditions (power enrichment, deceleration enleanment)
Mode4: Closed loop - using oxygen sensor(s) as feedback for fuel control
Mode5: Open loop - has not yet satisfied condition to go to closed loop
CAL/LD VALUE [%] • The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP
[ ° C] or [ °F] • The engine coolant temperature at the moment a malfunction is detected is displayed.
L-FUEL TRM-B1 [%] • “Long-term fuel trim” at the moment a malfunction is detected is displayed.
• The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule than
short-term fuel trim.
Revision: January 20102010 Versa

EC-100
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
*: The items are the same as those of 1st trip freeze frame data.
DATA MONITOR MODE
Monitored Item
S-FUEL TRM-B1 [%]• “Short-term fuel trim” at the moment a malfunction is detected is displayed.
• The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel sched-
ule.
ENGINE SPEED [rpm] • The engine speed at the moment a malfunction is detected is displayed.
VEHICL SPEED
[km/h] or [mph] • The vehicle speed at the moment a malfunction is detected is displayed.
ABSOL TH·P/S [%] • The throttle valve opening angle at the moment a malfunction is detected is displayed.
B/FUEL SCHDL
[msec] • The base fuel schedule at the moment a malfunction is detected is displayed.
INT/A TEMP SE
[ ° C] or [ °F] • The intake air temperature at the moment a malfunction is detected is displayed.
FUEL SYS-B2
• These items displayed but are not applicable to this model.
L-FUEL TRM-B2 [%]
S-FUEL TRM-B2 [%]
INT MANI PRES [kPa]
COMBUST CONDI-
TION Freeze frame data
item* Description
Monitored item Unit
DescriptionRemarks
ENG SPEED rpm• Indicates the engine speed computed from the signal
of the crankshaft position sensor (POS) and camshaft
position sensor (PHASE). • Accuracy becomes poor if engine
speed drops below the idle rpm.
• If the signal is interrupted while the engine is running, an abnormal value
may be indicated.
MAS A/F SE-B1 V • The signal voltage of the mass air flow sensor is dis-
played. • When the engine is stopped, a certain
value is indicated.
• When engine is running specification range is indicated in “SPEC”.
B/FUEL SCHDL ms • “Base fuel schedule” indicates the fuel injection pulse
width programmed into ECM, prior to any learned on
board correction. • When engine is running specification
range is indicated in “SPEC”.
A/F ALPHA-B1 %• The mean value of the air-fuel ratio feedback correc-
tion factor per cycle is indicated. • When the engine is stopped, a certain
value is indicated.
• This data also includes the data for
the air-fuel ratio learning control.
• When engine is running specification range is indicated in “SPEC”.
COOLAN TEMP/S °C or ° F• The engine coolant temperature (determined by the
signal voltage of the engine coolant temperature sen-
sor) is displayed. • When the engine coolant temperature
sensor is open or short-circuited,
ECM enters fail-safe mode. The en-
gine coolant temperature determined
by the ECM is displayed.
A/F SEN1 (B1) V• The A/F signal computed from the input signal of the
air fuel ratio (A/F) se nsor 1 is displayed.
HO2S2 (B1) V• The signal voltage of the heated oxygen sensor 2 is
displayed.
Revision: January 20102010 Versa

EC-102
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
*: The item is indicated, but not used.
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.PURG VOL C/V %
• Indicates the EVAP canister purge volume control so-
lenoid valve control value computed by the ECM ac-
cording to the input signals.
• The opening becomes larger as the value increases.
INT/V TIM(B1) °CA • Indicates [ °CA] of intake camshaft advance angle.
INT/V SOL(B1) %• The control value of the intake valve timing control so-
lenoid valve (determined by ECM according to the in-
put signals) is indicated.
• The advance angle becomes larger as the value in- creases.
AIR COND RLY ON/OFF • The air conditioner relay control condition (determined
by ECM according to the input signals) is indicated.
FUEL PUMP RLY ON/OFF • Indicates the fuel pump relay control condition deter-
mined 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 sig-
nals) is indicated.
ON: Closed
OFF: Open
THRTL RELAY ON/OFF • Indicates the throttle contro
l motor relay control condi-
tion determined by the ECM according to the input sig-
nals.
COOLING FAN HI/LOW/
OFF• Indicates the condition of the cooling fan (determined
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 sen-
sor 2 heater determined by ECM according to the in-
put signals.
I/P PULLY SPD rpm • Indicates the engine speed computed from the prima-
ry sped sensor signal.
VEHICLE SPEED km/h or
mph • The vehicle speed computed from the vehicle speed
signal sent from TCM is displayed.
IDL A/V LEARN YET/CM-
PLT • Display the condition of Idle Air Volume Learning
YET: Idle air volume learning has not been performed
yet.
CMPLT: Idle air volume learning has already been per-
formed successfully.
TRVL AFTER MIL km or
mile • Distance traveled while MIL is activated.
A/F S1 HTR(B1) % • Air fuel ratio (A/F) sensor 1 heater control value com-
puted by ECM according to the input signals.
• The current flow to the heater becomes larger as the value increases.
AC PRESS SEN V • The signal voltage from the refrigerant pressure sen-
sor is displayed.
A/F ADJ-B1 —• Indicates the correction of factor stored in ECM. The
factor is calculated from the difference between the
target air-fuel ratio stored in ECM and the air-fuel ratio
calculated from A/F sensor 1 signal.
HO2 S2 DIAG2 (B1)
*
[INCMP/CMPLT] —• Indicates DTC P0139 self-diagnosis (slow responce)
INCMP: Self-diagnosis is incomplete.
CMPLT: Self-diagnosis is complete.
Monitored item Unit
DescriptionRemarks
Revision: January 20102010 Versa

ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-103
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ACTIVE TEST MODE
Test Item
*: Leaving cooling fan OFF with CONSULT-III while engine is running may cause the engine to overheat.
DTC & SRT CONFIRMATION MODE
SRT STATUS Mode
For details, refer to
EC-84, "Diagnosis Description".
PERMANENT DTC STATUS Mode
For details, refer to EC-84, "Diagnosis Description".
NOTE:
This mode is not used in regions that permanent DTCs are not regulated by law.
TEST ITEMCONDITION JUDGMENTCHECK ITEM (REMEDY)
FUEL INJECTION • Engine: Return to the original
trouble condition
• Change the amount of fuel injec-
tion using CONSULT-III. If trouble symptom disappears, see
CHECK ITEM.
• Harness and connectors
• Fuel injector
• Air fuel ratio (A/F) sensor 1
IGNITION TIMING • Engine: Return to the original
trouble condition
• Timing light: Set
• Retard the ignition timing using
CONSULT-III. If trouble symptom disappears, see
CHECK ITEM.
• Perform Idle Air Volume Learning.
POWER BALANCE • Engine: After warming up, idle
the engine.
• A/C switch OFF
• Selector lever: P or N position (A/ T), Neutral position (M/T)
• Cut off each fuel injector signal one at a time using CONSULT-
III. Engine runs rough or dies.
• Harness and connectors
• Compression
• Fuel injector
• Power transistor
• Spark plug
• Ignition coil
COOLING FAN* • Ignition switch: ON
• Turn the cooling fan “LOW”, “HI”
and “OFF” using CONSULT-III. Cooling fan moves and stops. • Harness and connectors
• IPDM E/R (Cooling fan relay)
• Cooling fan motor
ENG COOLANT
TEMP • Engine: Return to the original
trouble condition
• Change the engine coolant tem- perature using CONSULT-III. If trouble symptom disappears, see
CHECK ITEM.
• Harness and connectors
• Engine coolant temperature sen-
sor
• Fuel injector
FUEL PUMP RELAY • Ignition switch: ON (Engine
stopped)
• Turn the fuel pump relay “ON” and “OFF” using CONSULT-III
and listen to operating sound. Fuel pump relay makes the operat-
ing sound.
• Harness and connectors
•Fuel pump relay
PURG VOL CONT/V • Engine: After warming up, run
engine at 1,500 rpm.
• Change the EVAP canister purge volume control solenoid
valve opening percent using
CONSULT-III. Engine speed changes according
to the opening percent.
• Harness and connectors
• Solenoid valve
FUEL/T TEMP SEN • Change the fuel tank temperature using CONSULT-III.
VENT CONTROL/V • Ignition switch: ON (Engine
stopped)
• Turn solenoid valve “ON” and
“OFF” using the CONSULT-III
and listen to operating sound. Solenoid valve makes an operating
sound.
• Harness and connectors
• Solenoid valve
V/T ASSIGN ANGLE • Engine: Return to the original
trouble condition
• Change intake valve timing us- ing CONSULT-III. If trouble symptom disappears, see
CHECK ITEM.
• Harness and connectors
• Intake valve timing control sole-
noid valve
Revision: January 20102010 Versa

ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-105
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NOTE:
*: Service $0A is not applied for regions where it is not mandated.
INSPECTION PROCEDURE
1. Turn ignition switch OFF.
2. Connect “GST” to data link connector (1), which is located under
LH dash panel.
3. Turn ignition switch ON.
4. Enter the program according to instruction on the screen or in the operation manual.
(*: Regarding GST screens in this section, sample screens are
shown.)
5. Perform each diagnostic mode according to each service proce- dure.
For further information, see th e GST Operation Manual of
the tool maker.
Service $07 (ON BOARD TESTS) This diagnostic service enables the off board test drive to obtain test results for emission-
related powertrain components/systems that are continuously monitored during normal
driving conditions.
Service $08 — This diagnostic service can close EVAP system in ignition switch ON position (Engine
stopped). When this diagnostic service is performed, EVAP canister vent control valve can
be closed.
In the following conditions, this diagnostic service cannot function.
• Low ambient temperature
• Low battery voltage
• Engine running
• Ignition switch OFF
• Low fuel temperature
• Too much pressure is applied to EVAP system
Service $09 (CALIBRATION ID) This diagnostic service enables the off-board test device to request specific vehicle infor-
mation such as Vehicle Identification Number (VIN) and Calibration IDs.
Service $0A
*PERMANENT DTCs This diagnostic service gains access to permanent DTCs which were stored by ECM.
Diagnostic Service
Function
BBIA0734E
SEF398S
SEF416S
Revision: January 20102010 Versa

TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-111
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2. Disconnect ECM harness connector.
3. Check pin terminal and connector for damage, and then reconnect it.
>> GO TO 16.
16.CHECK “A/F ALPHA-B1”
1. Start engine.
2. Select “A/F ALPHA-B1” in “SPEC” of “DATA MONITOR” mode, and make sure that the indication is within
the SP value.
Is the measurement value within the SP value?
YES >> INSPECTION END
NO >> Detect malfunctioning part according to EC-484, "
Symptom Table".
17.CHECK “B/FUEL SCHDL”
Select “B/FUEL SCHDL” in “SPEC” of “DATA MONITOR” m ode, and make sure that the indication is within the
SP value.
Is the measurement value within the SP value?
YES >> INSPECTION END
NO-1 >> More than the SP value: GO TO 18.
NO-2 >> Less than the SP value: GO TO 25.
18.DETECT MALFUNCTIONING PART
1. Check for the cause of large engine friction. Refer to the following.
- Engine oil level is too high
- Engine oil viscosity
- Belt tension of power steering, alternator, A/C compressor, etc. is excessive
- Noise from engine
- Noise from transmission, etc.
2. Check for the cause of insufficient combustion. Refer to the following.
- Valve clearance malfunction
- Intake valve timing control function malfunction
- Camshaft sprocket installation malfunction, etc.
>> Repair or replace malfunctioning part, and then GO TO 30.
19.CHECK INTAKE SYSTEM
Check for the cause of uneven air flow through mass air flow sensor. Refer to the following.
• Crushed air ducts
• Malfunctioning seal of air cleaner element
• Uneven dirt of air cleaner element
• Improper specification of intake air system
Is the inspection result normal?
YES >> GO TO 21.
NO >> Repair or replace malfunctioning part, and then GO TO 20.
20.CHECK “A/F ALPHA-B1”, AND “B/FUEL SCHDL”
Select “A/F ALPHA-B1” and “B/FUEL SCHDL” in “SPEC” of “DATA MONITOR” mode, and make sure that
each indication is within the SP value.
Is the measurement value within the SP value?
YES >> INSPECTION END
NO >> “B/FUEL SCHDL” is more, “A/F ALPHA-B1” is less than the SP value: GO TO 21.
21.DISCONNECT AND RECONNECT MASS AI R FLOW SENSOR HARNESS CONNECTOR
1. Stop the engine.
2. Disconnect mass air flow sensor harness connector.
3. Check pin terminal and connector for damage and then reconnect it again.
>> GO TO 22.
Revision: January 20102010 Versa

EC-112
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
22.CHECK “A/F ALPHA-B1”
1. Start engine.
2. Select “A/F ALPHA-B1” in “SPEC” of “DATA MONITO R” mode, and make sure that the indication is within
the SP value.
Is the measurement value within the SP value?
YES >> Detect malfunctioning part of mass air flow sensor circuit and repair it. Refer to EC-142, "DTC
Logic". Then GO TO 29.
NO >> GO TO 23.
23.CHECK “MAS A/F SE-B1”
Select “MAS A/F SE-B1” in “SPEC” of “DATA MONITOR” mode, and make sure that the indication is within the
SP value.
Is the measurement value within the SP value?
YES >> GO TO 24.
NO >> More than the SP value: Replace mass air flow sensor, and then GO TO 29.
24.REPLACE ECM
1. Replace ECM.
2. Perform EC-23, "
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Require-
ment".
>> GO TO 29.
25.CHECK INTAKE SYSTEM
Check for the cause of uneven air flow through mass air flow sensor. Refer to the following.
• Crushed air ducts
• Malfunctioning seal of air cleaner element
• Uneven dirt of air cleaner element
• Improper specification of intake air system
Is the inspection result normal?
YES >> GO TO 27.
NO >> Repair or replace malfunctioning part, and then GO TO 26.
26.CHECK “B/FUEL SCHDL”
Select “B/FUEL SCHDL” in “SPEC” of “DATA MONITOR” mode, and make sure that the indication is within the
SP value.
Is the measurement value within the SP value?
YES >> INSPECTION END
NO >> Less than the SP value: GO TO 27.
27.CHECK “MAS A/F SE-B1”
Select “MAS A/F SE-B1” in “SPEC” of “DATA MONITOR” mode, and make sure that the indication is within the
SP value.
Is the measurement value within the SP value?
YES >> GO TO 28.
NO >> Less than the SP value: Replace mass air flow sensor, and then GO TO 30.
28.CHECK INTAKE SYSTEM
Check for the cause of air leak after the mass air flow sensor. Refer to the following.
• Disconnection, looseness, and cracks in air duct
• Looseness of oil filler cap
• Disconnection of oil level gauge
• Open stuck, breakage, hose disconnecti on, or cracks of PCV valve
• Disconnection or cracks of EVAP purge hose, open stuc k of EVAP canister purge volume control solenoid
valve
• Malfunctioning seal of rocker cover gasket
• Disconnection, looseness, or cracks of hoses, such as vacuum hose, connecting to intake air system parts
Revision: January 20102010 Versa