2003 NISSAN X-TRAIL Electronic Repair Manual

ignition fuse chart wipers fuel consumption auxiliary battery bonnet

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Page 1145 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual BASIC SERVICE PROCEDURE
EC-31
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–Check ignition timing.
Throttle Valve Closed Position LearningEBS00B0X
DESCRIPTION
“Throttle Valve Closed Position Lea

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-32
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BASIC SERVICE PROCEDURE
PREPARATION
Before performing “Idle Air Volume Learning”, make sure that all of the following conditions are satisfied.
Learning will be cancelle

Page 1147 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual BASIC SERVICE PROCEDURE
EC-33
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7. Make sure that “CMPLT” is displayed on CONSULT-II screen. If
“INCMP” is displayed, “Idle Air Volume Learning�

BASIC SERVICE PROCEDURE
EC-33
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7. Make sure that “CMPLT” is displayed on CONSULT-II screen. If
“INCMP” is displayed, “Idle Air Volume Learning” will not be car-
ried out successfully. In this case, find the cause of the problem
by referring to the “Diagnostic Procedure” below.
8. Rev up the engine two or three times and make sure that idle
speed and ignition timing are within the specifications.
Without CONSULT-II
NOTE:
lIt is better to count the time accurately with a clock.
lIt is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit
has a malfunction.
1. PerformEC-31, "
Accelerator Pedal Released Position Learning".
2. PerformEC-31, "
Throttle Valve Closed Position Learning".
3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic “PRE-CONDITIONING” (previously mentioned) are in good
order.
5. Turn ignition switch “OFF” and wait at least 10 seconds.
6. Confirm that accelerator pedal is fully released, turn ignition switch “ON” and wait 3 seconds.
7. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal.
8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MI stops
blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the MI goes off.
10. Start engine and let it idle.
11. Wait 20 seconds.
12. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the
specifications.
13. If idle speed and ignition timing are not within the specification, the result will be incomplete. In this case,
find the cause of the problem by referring to the “Diagnostic Procedure” below.
ITEM SPECIFICATION
Idle speed M/T: 650±50 rpm
A/T: 700±50 rpm (in “P” or “N” position)
Ignition timing M/T: 14±5°BTDC
A/T: 16±5°BTDC (in “P” or “N” position)
SEF455Y
ITEM SPECIFICATION
Idle speed M/T: 650±50 rpm
A/T: 700±50 rpm (in “P” or “N” position)
Ignition timing M/T: 14±5°BTDC
A/T: 16±5°BTDC (in “P” or “N” position)
PBIB0665E

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-34
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BASIC SERVICE PROCEDURE
DIAGNOSTIC PROCEDURE
If idle air volume learning cannot be performed successfully, proceed as follows:
1.Check that throttle valve is fully closed.
2

EC-34
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BASIC SERVICE PROCEDURE
DIAGNOSTIC PROCEDURE
If idle air volume learning cannot be performed successfully, proceed as follows:
1.Check that throttle valve is fully closed.
2.Check PCV valve operation.
3.Check that downstream of throttle valve is free from air leakage.
4.When the above three items check out OK, engine component parts and their installation condi-
tion are questionable. Check and eliminate the cause of the problem.
It is useful to performEC-103, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE".
5.If any of the following conditions occur after the engine has started, eliminate the cause of the
problem and perform “Idle air volume learning” all over again:
–Engine stalls.
–Erroneous idle.
Fuel Pressure CheckEBS00B0Z
FUEL PRESSURE RELEASE
Before disconnecting fuel line, release fuel pressure from fuel line to eliminate danger.
NOTE:
Prepare pans or saucers under the disconnected fuel line because the fuel may spill out. The fuel pres-
sure cannot be completely released because QR engine models do not have fuel return system.
With CONSULT-II
1. Turn ignition switch “ON”.
2. Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT”
mode with CONSULT-II.
3. Start engine.
4. After engine stalls, crank it two or three times to release all fuel
pressure.
5. Turn ignition switch “OFF”.
Without CONSULT-II
1. Remove fuel pump fuse located in fuse box.
2. Start engine.
3. After engine stalls, crank it two or three times to release all fuel
pressure.
4. Turn ignition switch “OFF”.
5. Reinstall fuel pump fuse after servicing fuel system.
FUEL PRESSURE CHECK
CAUTION:
lThe fuel hose connection method used when taking fuel pressure check must not be used for
other purposes.
lTake care for not to scratch and not to put debris around connection area when servicing, so that
the quick connector keeps sealability with O-rings inside.
1. Release fuel pressure to zero. Refer toEC-34, "
FUEL PRESSURE RELEASE".
2. Prepare fuel hose for fuel pressure check, and connect fuel pressure gauge.
lUse suitable fuel hose for fuel pressure check (genuine NISSAN fuel hose without quick connector).
SEF214Y
PBIB0508E

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NISSAN X-TRAIL 2003 Electronic Repair Manual BASIC SERVICE PROCEDURE
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lTo avoid unnecessary force or tension to hose, use moderately long fuel hose for fuel pressure check.
lDo not use the fuel

BASIC SERVICE PROCEDURE
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lTo avoid unnecessary force or tension to hose, use moderately long fuel hose for fuel pressure check.
lDo not use the fuel hose for checking fuel pressure with damage or cracks on it.
lUse Pressure Gauge to check fuel pressure.
3. Remove fuel hose. Refer toEM-17, "
INTAKE MANIFOLD".
lDo not twist or kink fuel hose because it is plastic hose.
lDo not remove fuel hose from quick connector.
lKeep the original fuel hose to be free from intrusion of dust or foreign substances with a suitable cover.
4. Install the fuel pressure gauge as shown in the figure.
lWipe off oil or dirt from hose insertion part using cloth moist-
ened with gasoline.
lApply proper amount of gasoline between top of the fuel tube
and No.1 spool.
lInsert fuel hose for fuel pressure check until it touches the
No.1 spool on fuel tube.
lUse NISSAN genuine hose clamp (part number: 16439
N4710 or 16439 40U00).
lWhen reconnecting fuel line, always use new clamps.
lWhen reconnecting fuel hose, check the original fuel hose for
damage and abnormality.
lUse a torque driver to tighten clamps.
lInstall hose clamp to the position within 1 - 2 mm (0.04 - 0.08
in).
lMake sure that clamp screw does not contact adjacent parts.
5. After connecting fuel hose for fuel pressure check, pull the hose
with a force of approximately 98 N (10 kg, 22 lb) to confirm fuel
tube does not come off.
6. Turn ignition switch "ON", and check for fuel leakage.
7. Start engine and check for fuel leakage.
8. Read the indication of fuel pressure gauge.
lDo not perform fuel pressure check with system operating. Fuel pressure gauge may indicate false
readings.
lDuring fuel pressure check, confirm for fuel leakage from fuel connection every 3 minutes.
9. If result is unsatisfactory, go to next step.
10. Check the following.
lFuel hoses and fuel tubes for clogging
lFuel filter for clogging
lFuel pump
lFuel pressure regulator for clogging
If OK, replace fuel pressure regulator.
If NG, repair or replace.Tightening torque: 1 - 1.5 N·m (0.1 - 0.15 kg-m,
9-13in-lb)
At idling:
Approximately 350 kPa (3.5 bar, 3.7 kg/cm
2,51psi)
PBIB0669E
PBIB0670E

Page 1150 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-36
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEM
PFP:00028
IntroductionEBS00BM5
The ECM has an on board diagnostic system, which detects malfunctions relate

EC-36
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEM
PFP:00028
IntroductionEBS00BM5
The ECM has an on board diagnostic system, which detects malfunctions related to engine sensors or actua-
tors. The ECM also records various emission-related diagnostic information including:
The above information can be checked using procedures listed in the table below.
´: Applicable —: Not applicable
*1: 1st trip DTCs for self-diagnoses concerning SRT items cannot be shown on the GST display.
*2: When DTC and 1st trip DTC simultaneously appear on the display, they cannot be clearly distinguished from each other.
The malfunction indicator (MI) on the instrument panel lights up when the same malfunction is detected in two
consecutive trips (Two trip detection logic), or when the ECM enters fail-safe mode. (Refer toEC-62
.)
Two Trip Detection LogicEBS00BM6
When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the
ECM memory. The MI will not light up at this stage. <1st trip>
If the same malfunction is detected again during the next drive, the DTC and Freeze Frame data are stored in
the ECM memory, and the MI lights up. The MI lights up at the same time when the DTC is stored. <2nd trip>
The “trip” in the “Two Trip Detection Logic” means a driving mode in which self-diagnosis is performed during
vehicle operation. Specific on board diagnostic items will cause the ECM to light up or blink the MI, and store
DTC and Freeze Frame data, even in the 1st trip, as shown below.
´: Applicable —: Not applicable
*1: Except “ECM”Emission-related diagnostic information ISO Standard
Diagnostic Trouble Code (DTC) Mode 3 of ISO 15031-5
Freeze Frame data Mode 2 of ISO 15031-5
System Readiness Test (SRT) code Mode 1 of ISO 15031-5
1st Trip Diagnostic Trouble Code (1st Trip DTC) Mode 7 of ISO 15031-5
1st Trip Freeze Frame data
Test values and Test limits Mode 6 of ISO 15031-5
Calibration ID Mode 9 of ISO 15031-5
DTC 1st trip DTCFreeze Frame
data1st trip Freeze
Frame dataSRT code Test value
CONSULT-II´´ ´ ´ ´—
GST´´*1´—´´
ECM´´*2 — — — —
ItemsMI DTC 1st trip DTC
1st trip 2nd trip
1st trip
displaying2nd trip
displaying1st trip
displaying2nd trip
display-
ing BlinkingLighting
upBlinkingLighting
up
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0304 is being detected´———— —´—
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0304 is being detected——´——´——
Fail-safe items (Refer toEC-62
.) —´——´*1 —´*1 —
Except above — — —´—´´—

Page 1151 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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Emission-related Diagnostic InformationEBS00BM7
EMISSION-RELATED DIAGNOSTIC INFORMATION ITEMS
´: Applicable —:

Page 1152 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-38
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
*1: 1st trip DTC No. is the same as DTC No.
*2: These numbers are prescribed by ISO 15031-5.
*3: In Diagnostic Test Mode II (Self-diagnostic

EC-38
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
*1: 1st trip DTC No. is the same as DTC No.
*2: These numbers are prescribed by ISO 15031-5.
*3: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN.
*4: These are not displayed with GST.
*5: When the fail-safe operation occurs, the MI illuminates.
*6: The trouble shooting for this DTC needs CONSULT-II.
*7: Except for M/T models without ESP/TCS/ABS system.
*8: For M/T models with ESP/TCS/ABS system.
*9: When the fail-safe operations for both self-diagnoses occur at the same time, the MI illuminates.
DTC AND 1ST TRIP DTC
The 1st trip DTC (whose number is the same as the DTC number) is displayed for the latest self-diagnostic
result obtained. If the ECM memory was cleared previously, and the 1st trip DTC did not reoccur, the 1st trip
DTC will not be displayed.
If a malfunction is detected during the 1st trip, the 1st trip DTC is stored in the ECM memory. The MI will not
light up (two trip detection logic). If the same malfunction is not detected in the 2nd trip (meeting the required
driving pattern), the 1st trip DTC is cleared from the ECM memory. If the same malfunction is detected in the
2nd trip, both the 1st trip DTC and DTC are stored in the ECM memory and the MI lights up. In other words,
the DTC is stored in the ECM memory and the MI lights up when the same malfunction occurs in two consec-
P0705 0705 PNP SW/CIRC — —´AT- 1 3 0
P0710 0710 ATF TEMP SEN/CIRC — —´AT- 1 3 6
P0720 0720 VEH SPD SEN/CIR AT*9 — —´AT- 1 4 2
P0731 0731 A/T 1ST GR FNCTN — —´AT- 1 5 1
P0732 0732 A/T 2ND GR FNCTN — —´AT- 1 5 8
P0733 0733 A/T 3RD GR FNCTN — —´AT- 1 6 5
P0734 0734 A/T 4TH GR FNCTN — —´AT- 1 7 2
P0740 0740 TCC SOLENOID/CIRC — —´AT- 1 8 1
P0745 0745 L/PRESS SOL/CIRC — —´AT- 1 8 6
P0750 0750 SFT SOL A/CIRC*5 — —´AT- 1 9 3
P0755 0755 SFT SOL B/CIRC*5 — —´AT- 1 9 8
P1065 1065 ECM BACK UP/CIRC — —´EC-256
P1102 1102 MAF SENSOR — —´EC-260
P 1111 1111 I N T / V T IM V / C I R - B 1 — —´EC-266
P1121 1121 ETC ACTR — —´EC-271
P1122 1122 ETC FUNCTION/CIRC — —´EC-273
P1123 1123 ETC MOT RLY/CIRC — —´EC-279
P1143 1143 HO2S1 (B1) — —´*4EC-284
P1144 1144 HO2S1 (B1) — —´*4EC-290
P1146 1146 HO2S2 (B1) — —´*4EC-296
P1147 1147 HO2S2 (B1) — —´*4EC-303
P1212 1212 TCS/CIRC*8 — —´EC-310
P1217 1217 ENG OVER TEMP — —´EC-311
P1610 - P1615 1610 - 1615 NATS MALFUNCTION — —´EC-48
P1705 1705 TP SEN/CIRC A/T*5 — —´AT- 2 0 3
P1706 1706 P-N POS SW/CIRCUIT — —´EC-325
P1760 1760 O/R CLTCH SOL/CIRC — —´AT- 2 0 8
P1805 1805 BRAKE SW/CIRCUIT — —´EC-329
DTC*1
Items
(CONSULT-II screen terms)SRT codeTe s t v a l u e /
Test limit
(GST only)1st trip
DTC*1Reference page
CONSULT-II
GST*2ECM*3

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