2003 NISSAN X-TRAIL change time

TROUBLE DIAGNOSIS
EC-1255
[YD (WITHOUT EURO-OBD)]
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NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ACTIVE TEST MODE
COOLING FAN
[LOW/HI/OFF]×

Indicates the control condition of the
cooling fans (determined by ECM
according to the input signal).
LOW ... Operates at low speed.
HI ... Operates at high speed.
OFF ... Stopped
EGR VOL CON/V [step]×

Indicates the EGR volume control value
computed by the ECM according to the
input signals.

The opening becomes larger as the
value increases.
INT/A VOLUME [mg/]

The intake air volume computed from the
mass air flow sensor signal is displayed.
BARO SEN [kPa]××

The barometric pressure (determined by
the signal voltage from the absolute pres-
sure sensor built into the ECM) is dis-
played.
INT/M PRES SE [kPa]

Turbocharger boost (determined by the
signal voltage from the turbocharger
boost sensor) is displayed.
CYL COUNT [1/2/3/4]

The cylinder being injected is displayed.
1 ... Cylinder No.1 is injected.
2 ... Cylinder No.2 is injected.
3 ... Cylinder No.3 is injected.
4 ... Cylinder No.4 is injected.
Voltage [V]
Voltage, frequency, duty cycle or pulse
width measured by the probe.Only “#” is displayed if item is
unable to be measured.
Figures with “#”s are temporary
ones.
They are the same figures as an
actual piece of data which was
just previously measured. [Hz] or
[%] Frequency [msec], [Hz] or
[%]
DUTY-HI
DUTY-LOW
PLS WIDTH-HI
PLS WIDTH-LOWMONITOR ITEMECM
INPUT
SIGNALMAIN
SIG-
NALSCONDITION SPECIFICATION
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
POWER BAL-
ANCE

Engine: After warming up, idle the
engine.

A/C switch: OFF

Shift lever: N

Cut off each injector signal one at
a time using CONSULT-IIEngine runs rough or dies.

Harness and connectors

Compression

Fuel injector
COOLING FAN *

Ignition switch: ON

Operate the cooling fan at LOW,
HI speed and turn OFF using
CONSULT-II.Cooling fan moves at LOW, HI
speed and stops.

Harness and connector

Cooling fan motor

Cooling fan relay
ENG COOLANT
TEMP

Engine: Return to the original
trouble condition

Change the engine coolant tem-
perature using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.

Harness and connectors

Engine coolant temperature sen-
sor

Fuel injector

EC-1256
[YD (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS

*:Leaving cooling fan OFF with CONSULT-II while engine is running may cause the engine to overheat.
REAL TIME DIAGNOSIS IN DATA MONITOR MODE
CONSULT-II has two kinds of triggers and they can be selected by touching “SETTING” in “DATA MONITOR”
mode.
1. “AUTO TRIG” (Automatic trigger):
–The malfunction will be identified on the CONSULT-II screen in
real time.
In other words, DTC will be displayed if the malfunction is
detected by ECM.
At the moment a malfunction is detected by ECM, “MONITOR”
in “DATA MONITOR” screen is changed to “Recording Data ...
xx%” as shown in the figure, and the data after the malfunction
detection is recorded. Then when the percentage reached
100%, “REAL-TIME DIAG” screen is displayed. If “STOP” is
touched on the screen during “ Recording Data ... xx%”, “REAL-
TIME DIAG” screen is also displayed.
The recording time after the malfunction detection and the recording speed can be changed by “TRIG-
GER POINT” and “Recording Speed”. Refer to CONSULT-II OPERATION MANUAL.
2. “MANU TRIG” (Manual trigger):
–DTC will not be displayed automatically on CONSULT-II screen
even though a malfunction is detected by ECM.
DATA MONITOR can be performed continuously even though a
malfunction is detected.
Use these triggers as follows:
1. “AUTO TRIG”
–While trying to detect the DTC by performing the DTC Confirma-
tion Procedure, be sure to select to “DATA MONITOR (AUTO
TRIG)” mode. You can confirm the malfunction at the moment it
is detected.
–While narrowing down the possible causes, CONSULT-II should be set in “DATA MONITOR (AUTO
TRIG)” mode, especially in case the incident is intermittent.
When you are inspecting the circuit by gently shaking (or twisting) the suspicious connectors, components
and harness in the DTC Confirmation Procedure, the moment a malfunction is found the DTC will be dis-
played. Refer to GI-23, "
How to Perform Efficient Diagnosis for an Electrical Incident" , “INCIDENT SIMU-
LATION TESTS”.
2. “MANU TRIG”
GLOW RLY

Ignition switch: ON (Engine
stopped)

Turn the glow relay ON and OFF
using CONSULT-II and listen to
operating sound.Glow relay makes the operating
sound.
Harness and connector

Glow relay
EGR VOL CONT/
V

Ignition switch: ON

Change EGR volume control
valve opening step using CON-
SULT-II.EGR volume control valve makes
an operating sound.
Harness and connector

EGR volume control valve
PRES REGULA-
TOR

Ignition switch: ON

Change fuel rail pressure using
CONSULT-IIFuel leaks.
Fuel line

Fuel pressure relief valve
PUMP LEANT
CLEAR

This mode is used for performing Fuel Pump Learning Value Clearing. Refer to EC-1221, "Fuel Pump Learning
Value Clearing" . TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
PBIB0480E
SEF707X

EGR VOLUME CONTROL SYSTEM
EC-1465
[YD (WITHOUT EURO-OBD)]
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EGR VOLUME CONTROL SYSTEMPFP:14710
DescriptionEBS0125M
SYSTEM DESCRIPTION
*: These signals are sent to the ECM through CAN communication line.
This system controls flow rate of EGR led from exhaust manifold to intake manifold. The opening of the EGR
by-pass passage in the EGR volume control valve changes to control the flow rate. A built-in step motor
moves the valve in steps corresponding to the ECM output pulses. The opening of the valve varies for opti-
mum engine control. The optimum value stored in the ECM is determined by considering various engine con-
ditions.
The EGR volume control valve remains close under the following conditions.

Engine stopped

Engine starting

Low engine coolant temperature

High engine speed

Accelerator pedal fully depressed
COMPONENT DESCRIPTION
EGR Volume Control Valve
The EGR volume control valve uses a step motor to control the flow
rate of EGR from exhaust manifold. This motor has four winding
phases. It operates according to the output pulse signal of the ECM.
Two windings are turned ON and OFF in sequence. Each time an
ON pulse is issued, the valve opens or closes, changing the flow
rate. When no change in the flow rate is needed, the ECM does not
issue the pulse signal. A certain voltage signal is issued so that the
valve remains at that particular opening.
Sensor Input Signal to ECM ECM Function Actuator
Crankshaft position sensor Engine speed
EGR volume con-
trolEGR volume control
valve Vehicle speed sensor* Vehicle speed
Engine coolant temperature sensor Engine coolant temperature
Ignition switch Start signal
Accelerator pedal position sensor Accelerator pedal position
Mass air flow sensor Amount of intake air
Air conditioner switch
* Air conditioner operation
SEF908Y
SEF411Y

AT-126
[EURO-OBD]
DTC P0731 A/T 1ST GEAR FUNCTION

WITH CONSULT-II
1. Start engine and select “DATA MONITOR” mode for “A/T” with
CONSULT-II.
2. Make sure that output voltage of A/T fluid temperature sensor is
within the range below.
FLUID TEMP SEN: 0.4 - 1.5V
If out of range, drive the vehicle to decrease the voltage (warm
up the fluid) or stop engine to increase the voltage (cool down
the fluid).
3. Select “1ST GR FNCTN P0731” of “DTC WORK SUPPORT”
mode for “A/T” with CONSULT-II and touch “START”.
4. Accelerate vehicle to 15 to 20 km/h (9 to 12 MPH) under the fol-
lowing condition and release the accelerator pedal completely.
THROTTLE POSI: Less than 1.0/8 (at all times during step 4)
Selector lever: D position (OD “ON”)
–Make sure that “GEAR” shows “2” after releasing pedal.
5. Depress accelerator pedal to WOT (more than 7.0/8 of “THROT-
TLE POSI”) quickly from a speed of 15 to 20 km/h (9 to 12 MPH)
until “TESTING” changes to “STOP VEHICLE” or “COM-
PLETED”. (It will take approximately 3 seconds.)
If the check result NG appears on CONSULT-II screen, go to AT-
128, "Diagnostic Procedure" .
If “STOP VEHICLE” appears on CONSULT-II screen, go to the
following step.
–Make sure that “GEAR” shows “1” when depressing accelerator pedal to WOT.
–If “TESTING” does not appear on CONSULT-II for a long time, select “SELF-DIAGNOSIS” for
“ENGINE”. In case a 1st trip DTC other than P0731 is shown, refer to applicable “TROUBLE DIAG-
NOSIS FOR DTC”.
6. Stop vehicle.
7. Follow the instruction displayed. (Check for normal shifting refer-
ring to the table below.)
8. Make sure that “OK” is displayed. (If “NG” is displayed, refer to
“Diagnostic Procedure”.)
Refer to AT- 1 2 8 , "
Diagnostic Procedure" .
Refer to AT- 5 3 0 , "
Shift Schedule" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
SAT014K
Vehicle conditionGear on actual transmission shift pattern when
screen is changed to 1 → 2 → 3 → 4
No malfunction exists 1 → 2 → 3 → 4
Malfunction for P0731
exists.2 → 2 → 3 → 3
4 → 3 → 3 → 4
SCIA5358E
SAT021J

DTC P0732 A/T 2ND GEAR FUNCTION
AT-131
[EURO-OBD]
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WITH CONSULT-II
1. Start engine and select “DATA MONITOR” mode for “A/T” with
CONSULT-II.
2. Make sure that output voltage of A/T fluid temperature sensor is
within the range below.
FLUID TEMP SEN: 0.4 - 1.5V
If out of range, drive the vehicle to decrease the voltage (warm
up the fluid) or stop engine to increase the voltage (cool down
the fluid).
3. Select “2ND GR FNCTN P0732” of “DTC WORK SUPPORT”
mode for “A/T” with CONSULT-II and touch “START”.
4. Accelerate vehicle to 35 to 40 km/h (22 to 25 MPH) under the
following condition and release the accelerator pedal com-
pletely.
THROTTLE POSI: Less than 1.0/8 (at all times during step 4)
Selector lever: D position (OD “ON”)
–Make sure that “GEAR” shows “3” or “4” after releasing
pedal.
5. Depress accelerator pedal to WOT (more than 7.0/8 of “THROT-
TLE POSI”) quickly from a speed of 35 to 40 km/h (22 to 25
MPH) until “TESTING” changes to “STOP VEHICLE” or “COM-
PLETED”. (It will take approximately 3 seconds.)
If the check result NG appears on CONSULT-II screen, go to AT-
133, "Diagnostic Procedure" .
If “STOP VEHICLE” appears on CONSULT-II screen, go to following step.
–Make sure that “GEAR” shows “2” when depressing accelerator pedal to WOT.
–If “TESTING” does not appear on CONSULT-II for a long time, select “SELF-DIAGNOSIS” for
“ENGINE”. In case a 1st trip DTC other than P0732 is shown, refer to applicable “TROUBLE DIAG-
NOSIS FOR DTC”.
6. Stop vehicle.
7. Follow the instruction displayed. (Check for normal shifting refer-
ring to the table below.)
8. Make sure that “OK” is displayed. (If “NG” is displayed, refer to
“Diagnostic Procedure”.)
Refer to AT- 1 3 3 , "
Diagnostic Procedure" .
Refer to AT- 5 3 0 , "
Shift Schedule" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
SAT014K
Vehicle conditionGear on actual transmission shift pattern when
screen is changed to 1 → 2 → 3 → 4
No malfunction exists 1 → 2 → 3 → 4
Malfunction for P0732
exists.4 → 3 → 3 → 4
SCIA5358E
SAT021J

AT-136
[EURO-OBD]
DTC P0733 A/T 3RD GEAR FUNCTION

WITH CONSULT-II
1. Start engine and select “DATA MONITOR” mode for “A/T” with
CONSULT-II.
2. Make sure that output voltage of A/T fluid temperature sensor is
within the range below.
FLUID TEMP SEN: 0.4 - 1.5V
If out of range, drive the vehicle to decrease the voltage (warm
up the fluid) or stop engine to increase the voltage (cool down
the fluid).
3. Select “3RD GR FNCTN P0733” of “DTC WORK SUPPORT”
mode for “A/T” with CONSULT-II and touch “START”.
4. Accelerate vehicle to 55 to 70 km/h (34 to 44 MPH) under the
following condition and release the accelerator pedal com-
pletely.
THROTTLE POSI: Less than 1.0/8 (at all times during step 4)
Selector lever: D position (OD “ON”)
–Make sure that “GEAR” shows “4” after releasing pedal.
5. Depress accelerator pedal steadily with 3.5/8 - 4.5/8 of “THROT-
TLE POSI” from a speed of 55 to 70 km/h (34 to 44 MPH) until
“TESTING” changes to “STOP VEHICLE” or “COMPLETED”. (It
will take approximately 3 seconds.)
If the check result NG appears on CONSULT-II screen, go to AT-
138, "Diagnostic Procedure" .
If “STOP VEHICLE” appears on CONSULT-II screen, go to following step.
–Make sure that “GEAR” shows “3” when depressing accelerator pedal with 3.5/8 - 4.5/8 of
“THROTTLE POSI”.
–If “TESTING” does not appear on CONSULT-II for a long time, select “SELF-DIAGNOSIS” for
“ENGINE”. In case a 1st trip DTC other than P0733 is shown, refer to applicable “TROUBLE DIAG-
NOSIS FOR DTC”.
6. Stop vehicle.
7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)
8. Make sure that “OK” is displayed. (If “NG” is displayed, refer to Diagnostic Procedure.)
Refer to AT- 1 3 8 , "
Diagnostic Procedure" .
Refer to AT- 5 3 0 , "
Shift Schedule" .
WITH GST
Follow the procedure “With CONSULT-II”.
SAT014K
Vehicle conditionGear on actual transmission shift pattern when
screen is changed to 1 → 2 → 3 → 4
No malfunction exists. 1 → 2 → 3 → 4
Malfunction for P0733 exists. 1 → 1 → 4 → 4
SCIA5358E

AT-142
[EURO-OBD]
DTC P0734 A/T 4TH GEAR FUNCTION

–If “TESTING” does not appear on CONSULT-II for a long
time, select “SELF-DIAGNOSIS” for “ENGINE”. In case a 1st
trip DTC other than P0734 is shown, refer to applicable
“TROUBLE DIAGNOSIS FOR DTC”.
6. Stop vehicle.
7. Follow the instruction displayed. (Check for normal shifting refer-
ring to the table below.)
8. Make sure that “OK” is displayed. (If “NG” is displayed, refer to Diagnostic Procedure.)
Refer to AT- 1 4 4 , "
Diagnostic Procedure" .
Refer to AT- 5 3 0 , "
Shift Schedule" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Vehicle conditionGear on actual transmission shift pattern when
screen is changed to 1 → 2 → 3 → 4
No malfunction exists 1 → 2 → 3 → 4
Malfunction for P0734 exists.2 → 2 → 3 → 3
1 → 2 → 2 → 1
SAT021J

ALL MODE 4X4 SYSTEM
TF-11
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4WD MODE SWITCH
AUTO Mode

Electronic control allows optimal distribution of torque to front/rear wheels to match road conditions.

4WD mode makes possible stable driving, with no wheel spin, on snowy roads or other slippery surfaces.

On roads which do not require 4WD, AUTO mode contributes to improved fuel economy by driving in con-
ditions close to front-wheel drive.

Sensor inputs determine the vehicle's turning condition, and tight cornering/braking are controlled by dis-
tributing optimum torque to rear wheels.
LOCK Mode

Front/rear wheel torque distribution is fixed, ensuring stable driving when climbing slopes.

Vehicle will switch automatically to AUTO mode if vehicle speed increases. If vehicle speed then
decreases, the vehicle automatically returns to direct 4-wheel driving conditions.

LOCK mode will change to AUTO mode automatically, when the vehicle speed exceeds approx. 30 km/h
(19 MPH). The LOCK indicator light keeps illuminating.
NOTE:
If there is a significant difference in pressure or wear between tires, full vehicle performance is not available.
LOCK mode may be prohibited, or speeds at which LOCK mode is enabled may be restricted detecting tire
conditions.
2WD Mode
Vehicle is in front-wheel drive.
NOTE:

If front wheels are slipping in 2WD mode, do not switch to AUTO or LOCK. This can cause difficulties for
the system.

Even if the 4WD mode switch is in 2WD mode, the 4WD control unit occasionally automatically change to
AUTO mode depending on the driving condition (For example; Depressing the acceleration firmly). This is
not malfunction. However, 4WD indicator lamp dose not illuminate.
4WD INDICATOR LAMP AND LOCK INDICATOR LAMP
The following is the indications of indicator lamp.
4WD WARNING LAMP
Turns ON when there is a malfunction in 4WD system. It indicates that the vehicle is in fail-safe mode and
change to front-wheel drive or shifting driving force-4WD (Rear-wheels still have some driving torque).
Also turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF approximately for 1
seconds after the engine starts if system is normal.
4WD Warning Lamp Indication
Condition 4WD indicator lamp LOCK indicator lamp
AUTO mode ON OFF
LOCK mode ON ON
2WD mode OFF OFF
Lamp check Turns ON for approx. 1 second when ignition switch is turned ON.
SDIA2298E
Condition 4WD warning lamp
Lamp checkTurns ON when ignition switch is turned ON. Turns OFF
approx. 1 seconds after engine start.
4WD system malfunctionON
Protection function is activated due to heavy load to electric con-
trolled coupling. (4WD system is not malfunctioning and 4WD system
changes to 2WD mode.)Rapid flashing: 2 times/second
(Flashing in approx. 1 minute and then turning OFF.)