2003 NISSAN X-TRAIL Service Repair Manual

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Page 473 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-95
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ECM Harness Connector Terminal LayoutEBS010LW
ECM Terminals and Reference ValueEBS010LX
PREPARATION
1. ECM is located behind th

Page 474 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-96
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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
–

Page 475 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual 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 dependi

Page 476 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-98
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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 abo

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

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

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

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 480 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-102
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TROUBLE DIAGNOSIS

: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
CONSULT-II FunctionEBS010LY
FUNCTION
104 W/BThrottle control

EC-102
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TROUBLE DIAGNOSIS

: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
CONSULT-II FunctionEBS010LY
FUNCTION
104 W/BThrottle 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
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 ignition
switch OFFBATTERY VOLTAGE
(11 - 14V)
114 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)
Diagnostic 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.

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