Page 464 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-86
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETON](/manual-img/5/57404/w960_57404-463.png "NISSAN X-TRAIL 2003 Service Repair Manual EC-86
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETON")
EC-86
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel tank
5
5FL-11
Fuel piping 5 5 5 5 5 5FL-3, EM-
32
Vapor lock—
Valve deposit
5 555 55 5—
Poor fuel (Heavy weight gaso-
line, Low octane)—
Air Air duct
55555 5EM-15
Air cleaner
Air leakage from air duct
(Mass air flow sensor —electric
throttle control actuator)
5555
Electric throttle control actuator
EM-17
Air leakage from intake manifold/
Collector/Gasket
Cranking Battery
111111 11SC-3
Alternator circuitSC-12
Starter circuit 3SC-21
Signal plate/Flywheel/Drive plate 6EM-82
PNP switch 4MT-13 or
AT- 1 0 0
Engine Cylinder head
55555 55 5EM-67
Cylinder head gasket 4 3
Cylinder block
66666 66 64
EM-82
Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Page 474 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-96
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
2PU/RHeated oxygen sensor 2
heater[Engine is running]
Engine speed is below 3,600 rpm after the fol-
lowing conditions are met
–Warm-up condition
–](/manual-img/5/57404/w960_57404-473.png "NISSAN X-TRAIL 2003 Service Repair Manual EC-96
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
2PU/RHeated oxygen sensor 2
heater[Engine is running]
Engine speed is below 3,600 rpm after the fol-
lowing conditions are met
–Warm-up condition
–")
EC-96
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
2PU/RHeated oxygen sensor 2
heater[Engine is running]
Engine speed is below 3,600 rpm after the fol-
lowing conditions are met
–Warm-up condition
–Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load0 - 1.0V
[Ignition switch: ON]
Engine stopped
[Engine is running]
Engine speed is above 3,600 rpmBATTERY VOLTAGE
(11 - 14V)
3W/BThrottle control motor
relay power supply[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
4GThrottle control motor
(Close)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T), 1st (M/T)
Accelerator pedal: Released0 - 14V
5RThrottle control motor
(Open)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T), 1st (M/T)
Accelerator pedal: Fully depressed0 - 14V
6YVIAS control solenoid
valve[Engine is running]
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Engine speed is above 5,000 rpm0 - 1.0V
12 PPower steering pressure
sensor[Engine is running]
Steering wheel is being turned0.5 - 4.0V
[Engine is running]
Steering wheel is not being turned0.4 - 0.8V TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB1104E
PBIB1105E
Page 475 of 4179
TROUBLE DIAGNOSIS
EC-97
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13 L/WCamshaft position sensor
(PHASE)[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle1.0 - 4.0V
[Engine is running]
Engine speed is 2,000 rpm1.0 - 4.0V
14 PU/RCrankshaft position
sensor (POS)[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idleApproximately 3.0V
[Engine is running]
Engine speed is 2,000 rpmApproximately 3.0V
15 W Knock sensor[Engine is running]
Idle speedApproximately 2.5V
16 OR/B Heated oxygen sensor 2[Engine is running]
Warm-up condition
Revving engine from idle to 3,000 rpm quickly
after the following conditions are met
–Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load0 - Approximately 1.0V TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB0525E
PBIB0526E
PBIB0527E
PBIB0528E
Page 476 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-98
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
19 PEVAP canister purge vol-
ume control solenoid valve[Engine is running]
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Engine speed is abo](/manual-img/5/57404/w960_57404-475.png "NISSAN X-TRAIL 2003 Service Repair Manual EC-98
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
19 PEVAP canister purge vol-
ume control solenoid valve[Engine is running]
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Engine speed is abo")
EC-98
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
19 PEVAP canister purge vol-
ume control solenoid valve[Engine is running]
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Engine speed is about 2,000 rpm (More than
100 seconds after starting engine)Approximately 10V
22
23
41
42G/B
R/B
L/B
Y/BInjector No. 3
Injector No. 1
Injector No. 4
Injector No. 2[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idleBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Warm-up condition
Engine speed is 2,000 rpmBATTERY VOLTAGE
(11 - 14V)
24 G/WHeated oxygen sensor 1
heater[Engine is running]
Warm-up condition
Engine speed is below 3,600 rpmApproximately 7.0V
[Engine is running]
Engine speed is above 3,600 rpmBATTERY VOLTAGE
(11 - 14V)
29 BSensor ground
(Camshaft position sen-
sor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
30 BSensor ground
(Crankshaft position sen-
sor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
34 Y/GIntake air temperature
sensor[Engine is running]Approximately 0 - 4.8V
Output voltage varies with intake
air temperature. TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB0050E
PBIB0520E
PBIB0529E
PBIB0530E
PBIB0519E
Page 477 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-99
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35 P/L Heated oxygen sensor 1[Engine is running]Warm-up condition
Engine speed is 2,000 rpm0 - Approximately 1.0V
(Periodicall](/manual-img/5/57404/w960_57404-476.png "NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-99
[QR (WITH EURO-OBD)]
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35 P/L Heated oxygen sensor 1[Engine is running]Warm-up condition
Engine speed is 2,000 rpm0 - Approximately 1.0V
(Periodicall")
TROUBLE DIAGNOSIS
EC-99
[QR (WITH EURO-OBD)]
C
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35 P/L Heated oxygen sensor 1[Engine is running]Warm-up condition
Engine speed is 2,000 rpm0 - Approximately 1.0V
(Periodically change)
46 RSensor power supply
(Refrigerant pressure sen-
sor)[Ignition switch: ON]Approximately 5V
47 RSensor power supply
(Throttle position sensor)[Ignition switch: ON]Approximately 5V
49 W Throttle position sensor 1[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T), 1st (M/T)
Accelerator pedal: Fully releasedMore than 0.36V
[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T), 1st (M/T)
Accelerator pedal: Fully depressedLess than 4.75V
50 OR Mass air flow sensor[Engine is running]
Warm-up condition
Idle speed0.7 - 1.1V (QR20DE)
0.8 - 1.2V (QR25DE)
[Engine is running]
Warm-up condition
Engine speed is 2,500 rpm1.4 - 1.9V (QR20DE)
1.6 - 1.9V (QR25DE)
54 —Sensor ground
(Knock sensor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
57 BSensor ground
(Intake air temperature
sensor/ Power steering
pressure sensor/ Refriger-
ant pressure sensor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
60
61
79
80L/R
BR
GY/R
PUIgnition signal No. 3
Ignition signal No. 1
Ignition signal No. 4
Ignition signal No. 2[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle0 - 0.1V
[Engine is running]
Warm-up condition
Engine speed is 2,000 rpm0 - 0.2V TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB0521E
PBIB0522E
Page 478 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-100
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
62 YIntake valve timing
control solenoid valve[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Warm-up](/manual-img/5/57404/w960_57404-477.png "NISSAN X-TRAIL 2003 Service Repair Manual EC-100
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
62 YIntake valve timing
control solenoid valve[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Warm-up")
EC-100
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
62 YIntake valve timing
control solenoid valve[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Warm-up condition
Engine speed is 2,000 rpmApproximately 4V - BATTERY
VOLTAGE (11 - 14V)
65 RSensor power supply
(Power steering pressure
sensor)[Ignition switch: ON]Approximately 5V
66 BSensor ground
(Throttle position sensor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
67 B/PSensor ground
(Mass air flow sensor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
68 R Throttle position sensor 2[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T), 1st (M/T)
Accelerator pedal: Fully releasedLess than 4.75V
[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T), 1st (M/T)
Accelerator pedal: Fully depressedMore than 0.36V
69 YRefrigerant pressure sen-
sor[Engine is running]
Warm-up condition
Both A/C switch and blower switch: ON
(Compressor operates)1.0 - 4.0V
72 BR/YEngine coolant tempera-
ture sensor[Engine is running]Approximately 0 - 4.8V
Output voltage varies with
engine coolant temperature.
73 BSensor ground
(Engine coolant tempera-
ture sensor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
74 BSensor ground
(Heated oxygen sensor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
82 RYSensor ground
(Accelerator pedal position
sensor 1)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
83 LSensor ground
(Accelerator pedal position
sensor 2)[Engine is running]
Warm-up condition
Idle speedApproximately 0V TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB1790E
Page 479 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-101
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84 L/YElectrical load signal
(Headlamp signal)[Ignition switch: ON]Lighting switch: 2ND positionBATTERY VOLTAGE
(11 - 14V)
[Ig](/manual-img/5/57404/w960_57404-478.png "NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-101
[QR (WITH EURO-OBD)]
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84 L/YElectrical load signal
(Headlamp signal)[Ignition switch: ON]Lighting switch: 2ND positionBATTERY VOLTAGE
(11 - 14V)
[Ig")
TROUBLE DIAGNOSIS
EC-101
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84 L/YElectrical load signal
(Headlamp signal)[Ignition switch: ON]Lighting switch: 2ND positionBATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]
Lighting switch: OFFApproximately 0V
85 LG DATA link connector[Ignition switch: ON]
CONSULT-II or GST is disconnectedBATTERY VOLTAGE
(11 - 14V)
86 GY/R CAN communication line[Ignition switch: ON]1.0 - 2.5V
89 G Cooling fan relay (High)[Engine is running]
Cooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Cooling fan is high speed operating0 - 1.0V
90 RSensor power supply
(Accelerator pedal position
sensor 1)[Ignition switch: ON]Approximately 5V
91 BR/YSensor power supply
(Accelerator pedal position
sensor 2)[Ignition switch: ON]Approximately 5V
93 BRElectrical load signal
(Rear window defogger
signal)[Ignition switch: ON]
Rear window defogger switch: ONBATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]
Rear window defogger switch: OFFApproximately 0V
94 G/R CAN communication line[Ignition switch: ON]2.5 - 4.0V
96 LG/B Heater fan switch[Engine is running]
Heater fan switch: ONApproximately 0V
[Engine is running]
Heater fan switch: OFFBATTERY VOLTAGE
(11 - 14V)
97 PU Cooling fan relay (Low)[Ignition switch: ON]
Cooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]
Cooling fan is operating0 - 1.0V
98 B/WAccelerator pedal position
sensor 2[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully released0.15 - 0.6V
[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully depressed1.95 - 2.4V
101 P Stop lamp switch[Ignition switch: OFF]
Brake pedal: Fully releasedApproximately 0V
[Ignition switch: OFF]
Brake pedal: Slightly fully depressedBATTERY VOLTAGE
(11 - 14V)
102 G/OR PNP switch[Ignition switch: ON]
Shift lever: P or N (A/T), Neutral (M/T)Approximately 0V
[Ignition switch: ON]
Except above positionA/T models
BATTERY VOLTAGE
(11 - 14V)
M/T models
Approximately 5V TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
Page 481 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-103
[QR (WITH EURO-OBD)]
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*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
Diagnostic trouble codes
1](/manual-img/5/57404/w960_57404-480.png "NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-103
[QR (WITH EURO-OBD)]
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*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
Diagnostic trouble codes
1")
TROUBLE DIAGNOSIS
EC-103
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*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
Diagnostic trouble codes
1st trip diagnostic trouble codes
Freeze frame data
1st trip freeze frame data
System readiness test (SRT) codes
Test values
ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
DTC & SRT confirmation The status of system monitoring tests and the self-diagnosis status/result can be confirmed.
ECM part number ECM part number can be read.Diagnostic test mode Function
ItemDIAGNOSTIC TEST MODE
WORK
SUP-
PORTSELF-DIAGNOS-
TIC RESULTS
DATA
MONI-
TORDATA
MONI-
TOR
(SPEC)ACTIV
E TESTDTC & SRT
CONFIRMATION
DTC*1FREEZ
E
FRAME
DATA*
2
SRT
STA-
TUSDTC
WORK
SUP-
PORT
ENGINE CONTROL COMPONENT PARTS
INPUT
Crankshaft position sensor (POS)××××
Camshaft position sensor (PHASE)×××
Mass air flow sensor×××
Engine coolant temperature sensor×××××
Heated oxygen sensor 1×××××
Heated oxygen sensor 2×××××
Vehicle speed signal××××
Accelerator pedal position sensor×××
Throttle position sensor×××
Intake air temperature sensor××××
Knock sensor×
Refrigerant pressure sensor××
Closed throttle position switch (accelera-
tor pedal position sensor signal)××
Air conditioner switch××
Park/neutral position (PNP) switch×××
Stop lamp switch×××
Power steering pressure sensor×××
Battery voltage××
Electrical load signal××
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-97
[QR (WITH EURO-OBD)]
C
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13 L/WCamshaft position sensor
(PHASE)[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes dependi](/manual-img/5/57404/w960_57404-474.png "NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-97
[QR (WITH EURO-OBD)]
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13 L/WCamshaft position sensor
(PHASE)[Engine is running]
Warm-up condition
Idle speed
NOTE:
The pulse cycle changes dependi")