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![NISSAN X-TRAIL 2005 Service Repair Manual EVAPORATIVE EMISSION SYSTEM
EC-525
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Component InspectionEBS010VY
EVAP CANISTER
Check EVAP canister as follows:
1. Block port B . Orally blow air through NISSAN X-TRAIL 2005 Service Repair Manual EVAPORATIVE EMISSION SYSTEM
EC-525
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Component InspectionEBS010VY
EVAP CANISTER
Check EVAP canister as follows:
1. Block port B . Orally blow air through](/manual-img/5/57403/w960_57403-928.png)
EVAPORATIVE EMISSION SYSTEM
EC-525
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Component InspectionEBS010VY
EVAP CANISTER
Check EVAP canister as follows:
1. Block port B . Orally blow air through port A .
Check that air flows freely through port C .
2. Block port A . Orally blow air through port B .
Check that air flows freely through port C .
FUEL CHECK VALVE
1. Blow air through connector on fuel tank side.
A considerable resistance should be felt and a portion of air flow
should be directed toward the EVAP canister side.
2. Blow air through connector on EVAP canister side.
Air flow should be smoothly directed toward fuel tank side.
3. If fuel check valve is suspected of not properly functioning in
steps 1 and 2 above, replace it.
FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FILLER CAP)
1. Wipe clean valve housing.
2. Check valve opening pressure and vacuum.
3. If out of specification, replace fuel filler cap as an assembly.
PBIB0663E
SEF552Y
SEF989X
Pressure: 15.3 - 20.0 kPa (0.153 - 0.200 bar,
0.156 - 0.204 kg/cm
2 , 2.22 - 2.90 psi)
Va c u u m :−6.0 to −3.4 kPa (−0.060 to −0.034 bar,
−0.061 to −0.035 kg/cm
2 , −0.87 to −0.49 psi)
SEF943S
Page 930 of 4555
EC-526
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EVAPORATIVE EMISSION SYSTEM
WATER SEPARATOR
1. Check visually for insect nests in the water separator air inlet.
2. Check visually for cracks or flaws in the appearance.
3. Check visually for cracks or flaws in the hose.
4. Check that A and C are not clogged by blowing air into B with
A , and then C plugged.
5. In case of NG in items 2 - 4, replace the parts.
NOTE:
Do not disassemble water separator.
EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to EC-275, "Component Inspection" .
PBIB1032E
Page 931 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual POSITIVE CRANKCASE VENTILATION
EC-527
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POSITIVE CRANKCASE VENTILATIONPFP:11810
DescriptionEBS010VZ
SYSTEM DESCRIPTION
This system returns blow-by gas to NISSAN X-TRAIL 2005 Service Repair Manual POSITIVE CRANKCASE VENTILATION
EC-527
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POSITIVE CRANKCASE VENTILATIONPFP:11810
DescriptionEBS010VZ
SYSTEM DESCRIPTION
This system returns blow-by gas to](/manual-img/5/57403/w960_57403-930.png)
POSITIVE CRANKCASE VENTILATION
EC-527
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POSITIVE CRANKCASE VENTILATIONPFP:11810
DescriptionEBS010VZ
SYSTEM DESCRIPTION
This system returns blow-by gas to the intake manifold.
The positive crankcase ventilation (PCV) valve is provided to conduct crankcase blow-by gas to the intake
manifold. During partial throttle operation of the engine, the intake manifold sucks the blow-by gas through the
PCV valve. Normally, the capacity of the valve is sufficient to handle any blow-by and a small amount of venti-
lating air. The ventilating air is then drawn from the air inlet tubes into the crankcase. In this process the air
passes through the hose connecting air inlet tubes to rocker cover. Under full-throttle condition, the manifold
vacuum is insufficient to draw the blow-by flow through the valve. The flow goes through the hose connection
in the reverse direction.
On vehicles with an excessively high blow-by, the valve does not
meet the requirement. This is because some of the flow will go
through the hose connection to the air inlet tubes under all condi-
tions.
Component InspectionEBS010W0
PCV (POSITIVE CRANKCASE VENTILATION) VALVE
With engine running at idle, remove PCV valve from rocker cover. A
properly working valve makes a hissing noise as air passes through
it. A strong vacuum should be felt immediately when a finger is
placed over valve inlet.
PBIB0492E
PBIB1588E
PBIB1589E
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EC-528
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POSITIVE CRANKCASE VENTILATION
PCV VALVE VENTILATION HOSE
1. Check hoses and hose connections for leaks.
2. Disconnect all hoses and clean with compressed air. If any hose
cannot be freed of obstructions, replace.
S-ET277
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![NISSAN X-TRAIL 2005 Service Repair Manual AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-529
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AUTOMATIC SPEED CONTROL DEVICE (ASCD)PFP:18930
System DescriptionEBS01FAX
INPUT/OUTPUT SIGNAL CHART
*: Thi NISSAN X-TRAIL 2005 Service Repair Manual AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-529
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AUTOMATIC SPEED CONTROL DEVICE (ASCD)PFP:18930
System DescriptionEBS01FAX
INPUT/OUTPUT SIGNAL CHART
*: Thi](/manual-img/5/57403/w960_57403-932.png)
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-529
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AUTOMATIC SPEED CONTROL DEVICE (ASCD)PFP:18930
System DescriptionEBS01FAX
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM through CAN communication line.
BASIC ASCD SYSTEM
Refer to Owner's Manual for ASCD operating instructions.
Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermined constant speed
without depressing accelerator pedal. Driver can set vehicle speed in advance between approximately 40 km/
h (25 MPH) and 144 km/h (89 MPH).
ECM controls throttle angle of electric throttle control actuator to regulate engine speed.
Operation status of ASCD is indicated by CRUISE indicator and SET indicator in combination meter. If any
malfunction occurs in ASCD system, it automatically deactivates control.
NOTE:
Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws.
SET OPERATION
Press ASCD MAIN switch. (The CRUISE indicator in combination meter illuminates.)
When vehicle speed reaches a desired speed between approximately 40 km/h (25 MPH) and 144 km/h (89
MPH), press SET/COAST switch. (Then SET indicator in combination meter illuminates.)
ACCEL OPERATION
If the RESUME/ACCELERATE switch is pressed during cruise control driving, increase the vehicle speed until
the switch is released or vehicle speed reaches maximum speed controlled by the system.
And then ASCD will keep the new set speed.
CANCEL OPERATION
When any of following conditions exist, cruise operation will be canceled.
CANCEL switch is pressed
More than 2 switches at ASCD steering switch are pressed at the same time (Set speed will be cleared)
Brake pedal is depressed
Clutch pedal is depressed or gear position is changed to the neutral position (M/T models)
Vehicle speed decreased to 13 km/h (8 MPH) lower than the set speed
ESP/TCS system is operated
When the ECM detects any of the following conditions, the ECM will cancel the cruise operation and inform
the driver by blinking indicator lamp.
Engine coolant temperature is slightly higher than the normal operating temperature, CRUISE lamp may
blink slowly.
When the engine coolant temperature decreases to the normal operating temperature, CRUISE lamp will
stop blinking and the cruise operation will be able to work by pressing SET/COAST switch or RESUME/
ACCELERATE switch.
Malfunction for some self-diagnoses regarding ASCD control: SET lamp will blink quickly.
If MAIN switch is turned to OFF during ASCD is activated, all of ASCD operations will be canceled and vehicle
speed memory will be erased.
Sensor Input signal to ECM ECM function Actuator
ASCD brake switch Brake pedal operation
ASCD vehicle speed controlElectric throttle control
actuator Stop lamp switch Brake pedal operation
ASCD clutch switch (M/T) Clutch pedal operation
ASCD steering switch ASCD steering switch operation
Park/Neutral position (PNP)
switchGear position
wheel sensor* Vehicle speed
Page 934 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-530
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AUTOMATIC SPEED CONTROL DEVICE (ASCD)
COAST OPERATION
When the SET/COAST switch is pressed during cruise control driving, decrease vehicle set speed until the
switch is r NISSAN X-TRAIL 2005 Service Repair Manual EC-530
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AUTOMATIC SPEED CONTROL DEVICE (ASCD)
COAST OPERATION
When the SET/COAST switch is pressed during cruise control driving, decrease vehicle set speed until the
switch is r](/manual-img/5/57403/w960_57403-933.png)
EC-530
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AUTOMATIC SPEED CONTROL DEVICE (ASCD)
COAST OPERATION
When the SET/COAST switch is pressed during cruise control driving, decrease vehicle set speed until the
switch is released. And then ASCD will keep the new set speed.
RESUME OPERATION
When the RESUME/ACCELERATE switch is pressed after cancel operation other than pressing MAIN switch
is performed, vehicle speed will return to last set speed. To resume vehicle set speed, vehicle condition must
meet following conditions.
Brake pedal is fully released
Clutch pedal is fully released (M/T models)
A/T selector lever is in other than P and N position (A/T models)
Vehicle speed is greater than 40 km/h (25 MPH) and less than 144 km/h (89 MPH)
Component DescriptionEBS01FAY
ASCD STEERING SWITCH
Refer to EC-377 .
ASCD BRAKE SWITCH
Refer to EC-387 and EC-506 .
ASCD CLUTCH SWITCH
Refer to EC-387 and EC-506
STOP LAMP SWITCH
Refer to EC-387 , EC-405 and EC-506 .
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to EC-294 , EC-296 , EC-306 and EC-314 .
ASCD INDICATOR
Refer to EC-514 .
Page 935 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual SERVICE DATA AND SPECIFICATIONS (SDS)
EC-531
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SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Fuel PressureEBS010W1
Idle Speed and Ignition TimingEBS010W NISSAN X-TRAIL 2005 Service Repair Manual SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Fuel PressureEBS010W1
Idle Speed and Ignition TimingEBS010W](/manual-img/5/57403/w960_57403-934.png)
SERVICE DATA AND SPECIFICATIONS (SDS)
EC-531
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SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Fuel PressureEBS010W1
Idle Speed and Ignition TimingEBS010W2
*: Under the following conditions:
Air conditioner switch: OFF
Electric load: OFF (Lights, heater fan & rear window defogger)
Steering wheel: Kept in straight-ahead position
Calculated Load ValueEBS010W3
Mass Air Flow SensorEBS010W4
*: Engine is warmed up to normal operating temperature and running under no-load.
Intake Air Temperature SensorEBS010W5
Engine Coolant Temperature SensorEBS010W6
Heated Oxygen Sensor 1 HeaterEBS010W7
Fuel pressure at idle
Approximately 350 kPa (3.5bar, 3.57kg/cm2 , 51psi)
Target idle speedQR20DEM/T No load* (in Neutral position) 650±50 rpm
A/T No load* (in P or N position)
700±50 rpm
QR25DEM/T No load* (in Neutral position)
A/T No load* (in P or N position)
Air conditioner: ONQR20DEM/T In Neutral position
725 rpm or more
A/T In P or N position
QR25DEM/T In Neutral position 750 rpm or more
A/T In P or N position 700 rpm or more
Ignition timingQR20DEM/T In Neutral position
15°±5° BTDC A/T In P or N position
QR25DEM/T In Neutral position
A/T In P or N position
Calculated load value% (Using CONSULT-II or GST)
At idle10 - 35
At 2,500 rpm10 - 35
Supply voltageBattery voltage (11 - 14V)
Output voltage at idle0.7 - 1.1*V (QR20DE)
0.8 - 1.2*V (QR25DE)
Mass air flow (Using CONSULT-II or GST)1.0 - 4.0 g·m/sec at idle*
4.0 - 10.0 g·m/sec at 2,500 rpm*
Temperature °C (°F) Resistance kΩ
25 (77)1.800 - 2.200
80 (176)0.283 - 0.359
Temperature °C (°F) Resistance kΩ
20 (68)2.1 - 2.9
50 (122)0.68 - 1.00
90 (194)0.236 - 0.260
Resistance [at 25°C (77°F)] 3.3 - 4.0Ω
Page 936 of 4555
EC-532
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SERVICE DATA AND SPECIFICATIONS (SDS)
Heated Oxygen sensor 2 HeaterEBS010W8
Crankshaft Position Sensor (POS)EBS010W9
Refer to EC-255, "Component Inspection" .
Camshaft Position Sensor (PHASE)EBS010WA
Refer to EC-262, "Component Inspection" .
Throttle Control MotorEBS010WB
InjectorEBS010WC
Fuel PumpEBS010WD
Resistance [at 25°C (77°F)] 5.0 - 7.0Ω
Resistance [at 25°C (77°F)] Approximately 1 - 15Ω
Resistance [at 10 - 60°C (50 - 140°F)] 13.5 - 17.5Ω
Resistance [at 25°C (77°F)] Approximately 0.2 - 5.0Ω