2001 NISSAN X-TRAIL Service Repair Manual

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Page 457 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
EC-107
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THRTL SEN1
THRTL SEN2*2
●Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released More than 0.36V
●Shift lever

TROUBLE DIAGNOSIS
EC-107
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THRTL SEN1
THRTL SEN2*2
●Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released More than 0.36V
●Shift lever:
D (A/T model)
1st (M/T model)Accelerator pedal: Fully depressed Less than 4.75V
START SIGNAL
●Ignition switch: ON → START → ON OFF → ON → OFF
CLSD THL POS
●Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released ON
Accelerator pedal: Slightly depressed OFF
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 model)
Neutral (M/T model)ON
Shift lever: Except above OFF
PW/ST SIGNAL
●Engine: After warming up, idle
the engineSteering wheel is in neutral position.
(Forward direction)OFF
Steering wheel is turned. ON
LOAD SIGNAL
●Ignition switch: ONRear window defogger switch is ON
and/or lighting switch is in 2nd.ON
Rear window defogger switch is OFF
and lighting switch is OFF.OFF
IGNITION SW
●Ignition switch: ON → OFF → ON ON → OFF → ON
HEATER FAN SW
●Engine: After warming up, idle
the engineHeater fan is operating. ON
Heater fan is not operating OFF
BRAKE SW
●Ignition switch: ONBrake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
INJ PULSE-B1
●Engine: After warming up
●Shift lever: N
●Air conditioner switch: OFF
●No-loadIdle 2.0 - 3.0 msec
2,000 rpm 1.9 - 2.9 msec
IGN TIMING
●Engine: After warming up
●Shift lever: N
●Air conditioner switch: OFF
●No-loadIdleMT: 12° - 16° BTDC
AT: 1 4° - 18° BTDC
2,000 rpm 25° - 45° BTDC
CAL/LD VALUE
●Engine: After warming up
●Shift lever: N
●Air conditioner switch: OFF
●No-loadIdle 10% - 35%
2,500 rpm 10% - 35%
MASS AIRFLOW
●Engine: After warming up
●Shift lever: N
●Air conditioner switch: OFF
●No-loadIdle 1.0 - 4.0 g·m/s
2,500 rpm 4.0 - 10.0 g·m/s
PURG VOL C/V
●Engine: After warming up
●Shift lever: N
●Air conditioner switch: OFF
●No-loadIdle 0%
2,000 rpm 20 - 30% MONITOR ITEM CONDITION SPECIFICATION

Page 458 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-108
[QR25(WITH EURO-OBD)]
TROUBLE DIAGNOSIS
*1: These items are not applied for M/T models.
*2: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are co

EC-108
[QR25(WITH EURO-OBD)]
TROUBLE DIAGNOSIS
*1: These items are not applied for M/T models.
*2: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they differ
from ECM terminals voltage signal.INT/V TIM (B1)
●Engine: After warming up
●Shift lever: N
●Air conditioner switch: OFF
●No-loadIdle−5° - 5°CA
When revving engine up to 2,000 rpm
quicklyApprox. 0° - 20°CA
INT/V SOL (B1)
●Engine: After warming up
●Shift lever: N
●Air conditioner switch: OFF
●No-loadIdle 0% - 2%
When revving engine up to 2,000 rpm
quicklyApprox. 0% - 50%
VIAS S/V
●Engine: After warming upIdle OFF
More than 5,000 rpm ON
AIR COND RLY
●Engine: After warming up, idle
the engineAir 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 crankingON
●Except above conditions OFF
THRTL RELAY
●Ignition switch: ON ON
COOLING 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 104°C
(219°F)LOW
Engine coolant temperature is 105°C
(221°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: 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 one minute
and at idle for one minute under on loadON
●Engine speed: Above 3,600 rpm OFF
TRVL AFTER MIL
●Ignition switch: ONVehicle has traveled after MI has
turned ON.0 - 65,535 km
(0 - 40,723 mile)
AC PRESS SEN
●Ignition switch: ON (Engine stopped) Approx. 0V
●Engine: Idle
●Air conditioner switch: OFF1.0 - 4.0V
CAN COMM*
1
●Ignition switch: ONOK
CAN CIRC 1*
1OK
CAN CIRC 2*
1OK
CAN CIRC 3*
1UNKWN
CAN CIRC 4*
1UNKWN
CAN CIRC 5*
1UNKWN MONITOR ITEM CONDITION SPECIFICATION

Page 459 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
EC-109
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Major Sensor Reference Graph in Data Monitor ModeEBS00M14
The following are the major sensor reference graphs in “DATA MONITO

Page 460 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-110
[QR25(WITH EURO-OBD)]
TROUBLE DIAGNOSIS
PBIB0668E

Page 461 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-111
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionEBS00M15
The specification (SP) value indicat

TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-111
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionEBS00M15
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
MI.
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 ConditionEBS00M16
●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 ProcedureEBS00M17
NOTE:
Perform “DATA MONITOR (SPEC)” mode in maximum scale display.
1. Perform EC-1152, "
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-112, "
Diagnostic Procedure" .
SEF601Z

Page 462 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-112
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Diagnostic Procedure
EBS00M18
SEF613ZD

Page 463 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-113
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SEF768Z

Page 464 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-114
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
SEF615ZA

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