2005 NISSAN X-TRAIL Service Repair Manual

CD player tow engine overheat horn light coolant capacity

Page 1017 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-613
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REAL TIME DIAGNOSIS IN DATA MONITOR MODE (RECORDING VEHICLE DATA)
Description
CONSULT-II has two kinds of triggers and they

TROUBLE DIAGNOSIS
EC-613
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REAL TIME DIAGNOSIS IN DATA MONITOR MODE (RECORDING VEHICLE DATA)
Description
CONSULT-II has two kinds of triggers and they can be selected by touching “SETTING” in “DATA MONITOR”
mode.
1. “AUTO TRIG” (Automatic trigger):
The malfunction will be identified on the CONSULT-II screen
in real time.
In other words, DTC/1st trip DTC and malfunction item will be
displayed if the malfunction is detected by ECM.
At the moment a malfunction is detected by ECM, “MONI-
TOR” in “DATA MONITOR” screen is changed to “Recording
Data ... xx%” as shown at right, and the data after the mal-
function detection is recorded. Then when the percentage
reached 100%, “REAL-TIME DIAG” screen is displayed. If
“STOP” is touched on the screen during “Recording Data ...
xx%”, “REAL-TIME DIAG” screen is also displayed.
The recording time after the malfunction detection and the
recording speed can be changed by “TRIGGER POINT” and
“Recording Speed”. Refer to CONSULT-II Operation Manual.
2. “MANU TRIG” (Manual trigger):
DTC/1st trip DTC and malfunction item will not be displayed
automatically on CONSULT-II screen even though a malfunc-
tion is detected by ECM.
DATA MONITOR can be performed continuously even though
a malfunction is detected.
Operation
1. “AUTO TRIG”
While trying to detect the DTC/1st trip DTC by performing the DTC Confirmation Procedure, be sure to
select to “DATA MONITOR (AUTO TRIG)” mode. You can confirm the malfunction at the moment it is
detected.
While narrowing down the possible causes, CONSULT-II should be set in “DATA MONITOR (AUTO
TRIG)” mode, especially in case the incident is intermittent.
When you are inspecting the circuit by gently shaking (or twisting) the suspicious connectors, compo-
nents and harness in the “DTC Confirmation Procedure”, the moment a malfunction is found the DTC/
1st trip DTC will be displayed. (Refer to “Incident Simulation Tests” in GI-23, "
How to Perform Efficient
Diagnosis for an Electrical Incident" .)
2. “MANU TRIG”
If the malfunction is displayed as soon as “DATA MONITOR” is selected, reset CONSULT-II to “MANU
TRIG”. By selecting “MANU TRIG” you can monitor and store the data. The data can be utilized for fur-
ther diagnosis, such as a comparison with the value for the normal operating condition.
SEF705Y
SEF707X

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NISSAN X-TRAIL 2005 Service Repair Manual EC-614
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TROUBLE DIAGNOSIS

PBIB0197E

Page 1019 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-615
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CONSULT-II Reference Value in Data Monitor ModeEBS010XE
Remarks:
Specification data are reference values.
Specification

TROUBLE DIAGNOSIS
EC-615
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CONSULT-II Reference Value in Data Monitor ModeEBS010XE
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 related to their components signals/values/operations.
i.e. Adjust ignition timing with a timing light before monitoring IGN TIMING, because the monitor may show the specification data in
spite of the ignition timing not being 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 SPECIFICATION
ENG SPEED
Run engine and compare CONSULT-II value with the tachometer indi-
cation.Almost the same speed as the
tachometer indication.
MAS A/F SE-B1 See EC-620, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
B/FUEL SCHDL See EC-620, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
A/F ALPHA-B1 See EC-620, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
COOLAN TEMP/S
Engine: After warming up More than 70°C (158°F)
HO2S1 (B1)
Engine: After warming upMaintaining engine speed at 2,000
rpm0 - 0.3V ←→ Approx. 0.6 - 1.0V
HO2S2 (B1)
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 loadRevving engine from idle to 3,000
rpm quickly.0 - 0.3V ←→ Approx. 0.6 - 1.0V
HO2S1 MNTR (B1)
Engine: After warming upMaintaining engine speed at 2,000
rpmLEAN ←→ RICH
Changes more than 5 times dur-
ing 10 seconds.
HO2S2 MNTR (B1)
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 loadRevving engine from idle to 3,000
rpm quickly.LEAN ←→ RICH
VEH SPEED SE
Turn drive wheels and compare CONSULT-II value with the speedome-
ter indication.Almost the same speed as the
speedometer indication.
BATTERY VOLT
Ignition switch: ON (Engine stopped) 11 - 14V
ACCEL SEN 1
Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released 0.5 - 1.0V
Accelerator pedal: Fully depressed 4.0 - 4.7V
ACCEL SEN 2*
1Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released 0.3 - 1.2V
Accelerator pedal: Fully depressed 3.9 - 4.8V
THRTL SEN 1
THRTL SEN 2*
1
Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released More than 0.36V
Shift lever: D (A/T), 1st (M/T) Accelerator pedal: Fully depressed Less than 4.75V
START SIGNAL
Ignition switch: ON → START → ON OFF → ON → OFF
CLSD THL POS
Ignition switch: ONAccelerator pedal: Fully released ON
Accelerator pedal: Slightly
depressedOFF
AIR COND SIG
Engine: After warming up, idle
the engineAir conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates.)ON
P/N POSI SW
Ignition switch: ONShift lever:
P or N (A/T), Neutral (M/T)ON
Shift lever: Except above OFF
PW/ST SIGNAL
Engine: After warming up, idle
the engineSteering wheel is not being turned OFF
Steering wheel is being turned ON

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NISSAN X-TRAIL 2005 Service Repair Manual EC-616
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TROUBLE DIAGNOSIS

LOAD SIGNALIgnition switch: ONRear window defogger switch is ON
and/or lighting switch is in 2nd
(placed in LOW position for models
with Xenon he

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NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-617
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*1: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus,

TROUBLE DIAGNOSIS
EC-617
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*1: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they differ
from ECM terminals voltage signals.
*2: For QR25DE engine modelsCOOLING FAN
Engine: After warming up, idle
the engine
Air conditioner switch: OFFEngine coolant temperature is 94°C
(201°F) or lessOFF
Engine coolant temperature is
between 95°C (203°F) and 99°C
(210°F)LOW
Engine coolant temperature is
100°C (212°F) or moreHIGH
HO2S1 HTR (B1)
Engine: After warming up
Engine speed: Below 3,600 rpmON
Engine speed: Above 3,600 rpm OFF
HO2S2 HTR (B1)
Engine speed is 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
Engine speed: Above 3,600 rpm OFF
O2SEN HTR DTY
Engine coolant temperature when engine started: More than 80°C
(176°F)
Engine speed: below 3,600 rpmApprox. 50%
AC PRESS SEN
Engine: Idle
Both A/C switch and blower fan seitch: ON (Compressor operates)1.0 - 4.0V
VEH SPEED SE*
2Turn drive wheels and compare CONSULT-II value with the speedome-
ter indication.Almost the same speed as the
speedometer indication
SET VHCL SPD*
2Engine: Running ASCD: Operating.The preset vehicle speed is dis-
played.
MAIN SW*
2Ignition switch: ONMAIN switch: Pressed ON
MAIN switch: Released OFF
CANCEL SW*
2Ignition switch: ONCANCEL switch: Pressed ON
CANCEL switch: Released OFF
RESUME/ACC SW*
2Ignition switch: ONRESUME/ACCELERATE switch:
PressedON
RESUME/ACCELERATE switch:
ReleasedOFF
SET SW
Ignition switch: ONSET/COAST switch: Pressed ON
SET/COAST switch: Released OFF
BRAKE SW1*
2Ignition switch: ONClutch pedal (M/T) and brake pedal:
Fully releasedON
Clutch pedal (M/T) and/or brake
pedal: Slightly depressedOFF
BRAKE SW2*
2Ignition switch: ONBrake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
CRUISE LAMP*
2Ignition switch: ONMAIN switch: Pressed at the 1st
time → at the 2nd timeON → OFF
SET LAMP*
2
MAIN switch: ON
Vehicle speed: Between 40 km/h
(25 MPH) and 144 km/h (89
MPH)ASCD: Operating ON
ASCD: Not operating OFF MONITOR ITEM CONDITION SPECIFICATION

Page 1022 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-618
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TROUBLE DIAGNOSIS

Major Sensor Reference Graph in Data Monitor ModeEBS010XF
The following are the major sensor reference graphs in “DATA MONITOR” mode.
CLSD THL PO

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NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-619
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PBIB0668E

Page 1024 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-620
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE

TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionEBS010XG
The specification (SP) value indicates the tolerance of th

EC-620
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE

TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionEBS010XG
The specification (SP) value indicates the tolerance of the value that is displayed in “DATA MONITOR (SPEC)”
mode of CONSULT-II during normal operation of the Engine Control System. When the value in “DATA MONI-
TOR (SPEC)” mode is within the SP value, the Engine Control System is confirmed OK. When the value in
“DATA MONITOR (SPEC)” mode is NOT within the SP value, the Engine Control System may have one or
more malfunctions.
The SP value is used to detect malfunctions that may affect the Engine Control System, but will not light the
MIL.
The SP value will be displayed for the following three items:
B/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board cor-
rection)
A/F ALPHA-B1 (The mean value of air-fuel ratio feedback correction factor per cycle)
MAS A/F SE-B1 (The signal voltage of the mass air flow sensor)
Testing ConditionEBS010XH
Vehicle driven distance: More than 5,000 km (3,017 miles)
Barometric pressure: 98.3 - 104.3 kPa (0.983 - 1.043 bar, 1.003 - 1.064 kg/cm2 , 14.25 - 15.12 psi)
Atmospheric temperature: 20 - 30°C (68 - 86°F)
Engine coolant temperature: 75 - 95°C (167 - 203°F)
Transmission: Warmed-up*1
Electrical load: Not applied*2
Engine speed: Idle
*1: For A/T models, after the engine is warmed up to normal operating temperature, drive vehicle until “FLUID
TEMP SE” (A/T fluid temperature sensor signal) indicates more than 60°C (140°F).
For M/T models, after the engine is warmed up to normal operating temperature, drive vehicle for 5 minutes.
*2: Rear window defogger switch, air conditioner switch, lighting switch are OFF. Steering wheel is straight
ahead.
Inspection ProcedureEBS010XI
NOTE:
Perform “DATA MONITOR (SPEC)” mode in maximum scale display.
1. Perform EC-578, "
Basic Inspection" .
2. Confirm that the testing conditions indicated above are met.
3. Select “B/FUEL SCHDL”, “A/F ALPHA-B1” and “MAS A/F SE-
B1” in “DATA MONITOR (SPEC)” mode with CONSULT-II.
4. Make sure that monitor items are within the SP value.
5. If NG, go to EC-621, "
Diagnostic Procedure" .
SEF601Z

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