Page 1001 of 4555
TROUBLE DIAGNOSIS
EC-597
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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 1002 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-598
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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 NISSAN X-TRAIL 2005 Service Repair Manual EC-598
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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](/manual-img/5/57403/w960_57403-1001.png)
EC-598
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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 sensor)[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 sen-
sor[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 1003 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-599
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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
(Periodi NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-599
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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
(Periodi](/manual-img/5/57403/w960_57403-1002.png)
TROUBLE DIAGNOSIS
EC-599
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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[Ignition switch: ON]Approximately 0.4V
[Engine is running]
Warm-up condition
Idle speed0.7 - 1.1V (QR20DE)
0.8 - 1.2V (QR25DE)
[Engine is running]
Warm-up condition
Engine is revving from idle to about 4,000
rpm0.7 - 1.1 to approximately 4.0V
(QR20DE)
0.8 - 1.2 to approximately 4.0V
(QR25DE)
(Check for liner voltage rise in
response to engine being
increased to about 4,000 rpm)
54 —Sensor ground
(Knock sensor)[Engine is running]
Warm-up condition
Idle speedApproximately 0V
57 B Sensor ground[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 1004 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-600
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TROUBLE DIAGNOSIS
62 YIntake valve timing
control solenoid valve[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Warm NISSAN X-TRAIL 2005 Service Repair Manual EC-600
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TROUBLE DIAGNOSIS
62 YIntake valve timing
control solenoid valve[Engine is running]
Warm-up condition
Idle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Warm](/manual-img/5/57403/w960_57403-1003.png)
EC-600
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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]
Shift lever: D (A/T), 1st (M/T)
Accelerator pedal: Fully releasedLess than 4.75V
[Ignition switch: ON]
Shift lever: D (A/T), 1st (M/T)
Accelerator pedal: Fully depressedMore than 0.36V
69 Y Refrigerant pressure sensor[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 R/YSensor 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 1005 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-601
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84 L/YElectrical load signal
(Headlamp signal)[Ignition switch: ON]
Lighting switch: 2ND position (placed in
LOW position NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-601
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84 L/YElectrical load signal
(Headlamp signal)[Ignition switch: ON]
Lighting switch: 2ND position (placed in
LOW position](/manual-img/5/57403/w960_57403-1004.png)
TROUBLE DIAGNOSIS
EC-601
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84 L/YElectrical load signal
(Headlamp signal)[Ignition switch: ON]
Lighting switch: 2ND position (placed in
LOW position for models with Xenon
headlamp)BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]
Lighting switch: OFFApproximately 0V
85 LG DATA link connector[Ignition switch: ON]
CONSULT-II 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 sig-
nal)[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 TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
Page 1006 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-602
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TROUBLE DIAGNOSIS
99*1W/R ASCD steering switch[Ignition switch: ON]
ASCD steering switch: OFFApproximately 4V
[Ignition switch: ON]
MAIN switch: PressedApproximately NISSAN X-TRAIL 2005 Service Repair Manual EC-602
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TROUBLE DIAGNOSIS
99*1W/R ASCD steering switch[Ignition switch: ON]
ASCD steering switch: OFFApproximately 4V
[Ignition switch: ON]
MAIN switch: PressedApproximately](/manual-img/5/57403/w960_57403-1005.png)
EC-602
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TROUBLE DIAGNOSIS
99*1W/R ASCD steering switch[Ignition switch: ON]
ASCD steering switch: OFFApproximately 4V
[Ignition switch: ON]
MAIN switch: PressedApproximately 0V
[Ignition switch: ON]
CANCEL switch: PressedApproximately 1V
[Ignition switch: ON]
RESUME/ACCELERATE switch: PressedApproximately 3V
[Ignition switch: ON]
SET/COAST switch: PressedApproximately 2V
101 P Stop lamp switch[Ignition switch: OFF]
Brake pedal: Fully releasedApproximately 0V
[Ignition switch: OFF]
Brake pedal: Slightly 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
104 W/B Throttle control motor relay[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]0 - 1.0V
106 WAccelerator pedal position
sensor 1[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully released0.5 - 1.0V
[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully depressed3.9 - 4.7V
108*
1GY/L ASCD brake switch[Ignition switch: ON]
Brake pedal: Slightly depressed
Clutch pedal: Slightly depressed (M/T)Approximately 0V
[Ignition switch: ON]
Brake pedal: Fully released
Clutch pedal: Fully released (M/T)BATTERY VOLTAGE
(11 - 14V)
109 B/R Ignition switch[Ignition switch: OFF]0V
[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
111 G / WECM relay
(Self shut-off)[Engine is running]
[Ignition switch: OFF]
For a few seconds after turning ignition
switch OFF0 - 1.0V
[Ignition switch: OFF]
More than a few seconds after turning igni-
tion switch OFFBATTERY VOLTAGE
(11 - 14V) TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
Page 1007 of 4555
TROUBLE DIAGNOSIS
EC-603
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: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
*1: For QR25DE engine models114 B/OR Fuel pump relay[Ignition switch: ON]
For 1 second after turning ignition switch
ON
[Engine is running]0 - 1.0V
[Ignition switch: ON]
More than 1 second after turning ignition
switch ONBATTERY VOLTAGE
(11 - 14V)
11 5
11 6B
BECM ground[Engine is running]
Idle speedBody ground
11 9
120SB
GYPower supply for ECM[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
121 W/LPower supply for ECM
(Back-up)[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V) TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
Page 1008 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-604
[QR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
CONSULT-II Function (ENGINE)EBS010XD
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
Dia NISSAN X-TRAIL 2005 Service Repair Manual EC-604
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TROUBLE DIAGNOSIS
CONSULT-II Function (ENGINE)EBS010XD
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
Dia](/manual-img/5/57403/w960_57403-1007.png)
EC-604
[QR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
CONSULT-II Function (ENGINE)EBS010XD
FUNCTION
*: 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 dataDiagnostic test mode Function
Work supportThis mode enables a technician to adjust some devices faster and more accurately by following the
indications on the CONSULT-II unit.
Self-diagnostic resultsSelf-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data
can be read and erased quickly.*
Data monitor Input/Output data in the ECM can be read.
Data monitor (SPEC)Input/Output of the specification for Basic fuel schedule, AFM, A/F feedback control value and the
other data monitor items can be read.
CAN diagnostic support
monitorThe results of transmit/receive diagnosis of CAN communication can be read.
Active testDiagnostic Test Mode in which CONSULT-II drives some actuators apart from the ECMs and also
shifts some parameters in a specified range.
Function test This mode is used to inform customers when their vehicle condition requires periodic maintenance.
ECM part number ECM part number can be read.