Page 49 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-43
[EURO-OBD]
D
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X: Applicable
—: Not applicable
*1: These malfunctions cannot be displayed by MIL if another malfunction is assigned NISSAN X-TRAIL 2003 Electronic Repair Manual ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-43
[EURO-OBD]
D
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H
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MA
B
AT
X: Applicable
—: Not applicable
*1: These malfunctions cannot be displayed by MIL if another malfunction is assigned](/manual-img/5/57402/w960_57402-48.png)
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-43
[EURO-OBD]
D
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F
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H
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K
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MA
B
AT
X: Applicable
—: Not applicable
*1: These malfunctions cannot be displayed by MIL if another malfunction is assigned to lamp MIL.
*2: Refer toEC-48, "
Malfunction Indicator (MI)", “Malfunction Indicator lamp (MIL)”.
*3: A/T COMM LINE means CAN COMM LINE in this model.Line pressure solenoid valve
lTCM detects an improper voltage
drop when it tries to operate the
solenoid valve.X P0745
LINE PRESSURE S/
VL/PRESS SOL/CIRC
Throttle position sensor (Accelerator Pedal
Position (APP) sensor)
lTCM receives an excessively low
or high voltage from the sensor.
X P1705
THROTTLE POSI
SENTP SEN/CIRC A/T
Engine speed signal
lTCM does not receive the proper
voltage signal from the ECM.X P0725
ENGINE SPEED SIG
A/T fluid temperature sensor
lTCM receives an excessively low
or high voltage from the sensor.
X P0710
BATT/FLUID TEMP
SENATF TEMP SEN/
CIRC
Engine control
lThe ECM-A/T communication line
is open or shorted.X U1000
A/T COMM LINE
*3—
TCM (RAM)
lTCM memory (RAM) is malfunc-
tioning.
——
CONTROL UNIT
(RAM)—
TCM (ROM)
lTCM memory (ROM) is malfunc-
tioning.
——
CONTROL UNIT
(ROM)—
TCM (EEP ROM)
lTCM memory (EEP ROM) is mal-
functioning.
——
CONT UNIT (EEP
ROM)—
Initial start
lThis is not a malfunction message
(Whenever shutting off a power
supply to the TCM, this message
appears on the screen.)X— INITIAL START
—
No failure
(NO SELF DIAGNOSTIC FAILURE INDI-
CATED FURTHER TESTING MAY BE
REQUIRED**)
lNo failure has been detected.
XX Detected items
(Screen terms for CONSULT-II, “SELF
DIAGNOSIS” test mode)
Malfunction is detected when ...TCM self-diagnosis EURO-OBD (DTC)
Available by O/D OFF
indicatorlampor“A/T”
on CONSULT-IIAvailable by malfunc-
tion indicator*2,
“ENGINE” on CON-
SULT-II or GST “A/T” “ENGINE”
Page 50 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-44
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
DATA MONITOR MODE (A/T)
Item DisplayMovertocenterMonitoritems
Description Remarks TCM
Input
signalsCAN
comm
sig-
nalsMain
signalsSelection
from
NISSAN X-TRAIL 2003 Electronic Repair Manual AT-44
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
DATA MONITOR MODE (A/T)
Item DisplayMovertocenterMonitoritems
Description Remarks TCM
Input
signalsCAN
comm
sig-
nalsMain
signalsSelection
from](/manual-img/5/57402/w960_57402-49.png)
AT-44
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
DATA MONITOR MODE (A/T)
Item DisplayMovertocenterMonitoritems
Description Remarks TCM
Input
signalsCAN
comm
sig-
nalsMain
signalsSelection
from
menu
Vehicle speed
sensor 1 (A/T)
(Revolution sen-
sor)VHCL/S SE·A/T
[km/h] or [mph]
X——
lVehicle speed com-
puted from signal of
revolution sensor is
displayed.When racing engine in N
or P with vehicle station-
ary, CONSULT-II data
may not indicate 0 km/h
(0 mph).
Vehicle speed
sensor 2
(Meter)VHCL/S
SE·MTR
[km/h] or [mph]
X——
lVehicle speed com-
puted from signal of
vehicle speed sensor is
displayed.Vehicle speed display
may not be accurate
under approx. 10 km/h
(6 mph). It may not indi-
cate0km/h(0mph)
when vehicle is station-
ary.
Throttle position
sensorTHRTL POS
SEN
[V]X——
lThrottle position sensor
signal voltage is dis-
played.This sensor means
accelerator pedal posi-
tion(app)sensor.
A/T fluid tempera-
ture sensorFLUID TEMP SE
[V]
X——
lA/T fluid temperature
sensor signal voltage is
displayed.
lSignal voltage lowers
as fluid temperature
rises.
Battery voltage BATTERY VOLT
[V]X——
lSource voltage of TCM
is displayed.
Engine speed ENGINE SPEED
[rpm]
X—X
lEngine speed, com-
puted from engine
speed signal, is dis-
played.Engine speed display
may not be accurate
under approx. 800 rpm.
It may not indicate 0 rpm
even when engine is not
running.
Overdrive control
switchOVERDRIVE
SW
[ON/OFF]X——
lON/OFF state com-
puted from signal of
overdrive control SW is
displayed.
PN position (PNP)
switchPN POSI SW
[ON/OFF]
X——
lON/OFF state com-
puted from signal of PN
position SW is dis-
played.
R position switch R POSITION SW
[ON/OFF]
X——
lON/OFF state com-
puted from signal of R
position SW is dis-
played.
D position switch D POSITION SW
[ON/OFF]
X——
lON/OFF state com-
puted from signal of D
position SW is dis-
played.
2 position switch 2 POSITION SW
[ON/OFF]
X——
lON/OFF status, com-
puted from signal of 2
position SW, is dis-
played.
Page 51 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-45
[EURO-OBD]
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1 position switch 1 POSITION SW
[ON/OFF]
X——lON/OFF status, com-
puted from signal of 1
position SW, is dis-
playe NISSAN X-TRAIL 2003 Electronic Repair Manual ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-45
[EURO-OBD]
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1 position switch 1 POSITION SW
[ON/OFF]
X——lON/OFF status, com-
puted from signal of 1
position SW, is dis-
playe](/manual-img/5/57402/w960_57402-50.png)
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-45
[EURO-OBD]
D
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1 position switch 1 POSITION SW
[ON/OFF]
X——lON/OFF status, com-
puted from signal of 1
position SW, is dis-
played.
ASCD cruise sig-
nalASCD·CRUISE
[ON/OFF]
X——
lStatus of ASCD cruise
signal is displayed.
ON ... Cruising state
OFF ... Normal run-
ning statelThis is displayed even
when no ASCD is
mounted.
ASCD OD cut sig-
nalASCD·OD CUT
[ON/OFF]
X——
lStatus of ASCD OD
release signal is dis-
played.
ON ... OD released
OFF ... OD not
releasedlThis is displayed even
when no ASCD is
mounted.
Kickdown switch KICKDOWN SW
[ON/OFF]
X——
lON/OFF status, com-
puted from signal of
kickdown SW, is dis-
played.lThis is displayed even
when no kickdown
switch is equipped.
Gear position GEAR
—— X
lGear position data
used for computation
by TCM, is displayed.
Selector lever
positionSLCT LVR POSI
—— X
lSelector lever position
data, used for compu-
tation by TCM, is dis-
played.lA specific value used
for control is displayed
if fail-safe is activated
due to error.
Vehicle speed VEHICLE
SPEED
[km/h] or [mph]—— X
lVehicle speed data,
used for computation
by TCM, is displayed.
Torque converter
slip ratioTC SLIP
RATIO
[0.000]———
lRatio of engine revolu-
tion to input shaft revo-
lution of torque
converter
Torque converter
slip speedTC SLIP
SPEED
[rpm]———Difference in revolution
between input shaft revo-
lution and input shaft rev-
olution of torque
converterDisplay doesn't indicate
orpm even if engine is
stopped.
But this isn't malfunc-
tion.
can communica-
tionCAN COMM
[OK/UNKWN]—X—
can circuit 1CANCIRC1
[OK/UNKWN]—X—
can circuit 2CANCIRC2
[OK/UNKWN]—X—
can circuit 3CANCIRC3
[OK/UNKWN]—X—
can circuit 4CANCIRC4
[OK/UNKWN]—X—
can circuit 5CANCIRC5
[OK/UNKWN]—X— Item DisplayMover to center Monitor items
Description Remarks TCM
Input
signalsCAN
comm
sig-
nalsMain
signalsSelection
from
menu
Page 52 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-46
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
X: Applicable —: Not applicable : OptionThrottle position THROTTLE
POSI
[/8]—— X
lThrottle position data,
used for computation
by TCM, is NISSAN X-TRAIL 2003 Electronic Repair Manual AT-46
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
X: Applicable —: Not applicable : OptionThrottle position THROTTLE
POSI
[/8]—— X
lThrottle position data,
used for computation
by TCM, is](/manual-img/5/57402/w960_57402-51.png)
AT-46
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
X: Applicable —: Not applicable : OptionThrottle position THROTTLE
POSI
[/8]—— X
lThrottle position data,
used for computation
by TCM, is displayed.lA specific value used
for control is displayed
if fail-safe is activated
due to error.
Stop lamp switch BRAKE SW
[ON/OFF]
X——
lON/OFF status is dis-
played.
ON ... Brake pedal is
depressed.
OFF ... Brake pedal is
released.
Line pressure duty LINE PRES DTY
[%]
—— X
lControl value of line
pressure solenoid
valve, computed by
TCM from each input
signal, is displayed.
Torque converter
clutch solenoid
valve dutyTCC S/V DUTY
[%]
—— X
lControl value of torque
converter clutch sole-
noid valve, computed
by TCM from each
input signal, is dis-
played.
Shift solenoid
valve ASHIFT S/V A
[ON/OFF]
—— X
lControl value of shift
solenoid valve A, com-
puted by TCM from
each input signal, is
displayed.Control value of sole-
noid is displayed even if
solenoid circuit is dis-
connected.
The OFF signal is dis-
played if solenoid circuit
is shorted. Shift solenoid
valve BSHIFT S/V B
[ON/OFF]
—— X
lControl value of shift
solenoid valve B, com-
puted by TCM from
each input signal, is
displayed.
Overrun clutch
solenoid valveOVERRUN/C S/
V
[ON/OFF]
—— X
lControl value of over-
run clutch solenoid
valve computed by
TCM from each input
signal is displayed.
Self-diagnosis dis-
play lamp
(O/D OFF indica-
tor lamp)SELF-D DP LMP
[ON/OFF]
—— X
lControl status of O/D
OFF indicator lamp is
displayed.
Voltage [V] — — — Value measured by voltage probe is displayed.
Frequency [Hz] — — —Value measured by pulse probe is displayed. If mea-
surement is impossible, "#" sign is displayed. "#"
sign is also displayed at the final data value until the
measurement result is obtained.
DUTY-HI — — —
Duty cycle value for measurement probe is dis-
played.
DUTY-LOW — — —
PLS WIDTH-HI — — —
Measured pulse width of measurement probe is dis-
played.
PLS WIDTH-LOW — — —Item DisplayMovertocenterMonitoritems
Description Remarks TCM
Input
signalsCAN
comm
sig-
nalsMain
signalsSelection
from
menu
Page 53 of 3066
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-47
[EURO-OBD]
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DTC WORK SUPPORT MODE WITH CONSULT-II
CONSULT-II Setting Procedure
1. Turn ignition switch “OFF”.
2. Connect CONSULT-II to data link connector which is located in
left or right side lower dash panel.
3. Turn ignition switch “ON”.
4. Touch “START”.
5. Touch “A/T”.
SCIA0691E
SCIA0692E
SAT586J
SAT014K
Page 54 of 3066
AT-48
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
6. Touch “DTC WORK SUPPORT”.
7. Touch select item menu (1ST, 2ND, etc.).
8. Touch “START”.
9. Perform driving test according to “DTC CONFIRMATION PRO-
CEDURE” in “TROUBLE DIAGNOSIS FOR DTC”.
SAT971J
SAT018K
SAT589J
SAT019K
Page 55 of 3066
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-49
[EURO-OBD]
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lWhen testing conditions are satisfied, CONSULT-II screen
changes from “OUT OF CONDITION” to “TESTING”.
10. Stop vehicle. If “NG” appears on the screen, malfunction may
exist. Go to “DIAGNOSTIC PROCEDURE”.
11. Perform test drive to check gear shift feeling in accordance with
instructions displayed.
12. Touch “YES” or “NO”.
SAT591J
SAT592J
SAT593J
SAT594J
SAT595J
Page 56 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-50
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
13. CONSULT-II procedure ended.
If “NG” appears on the screen, a malfunction may exist. Go to “DIAGNOSTIC PROCEDURE”.
DTCWORKSUPPORTMODE NISSAN X-TRAIL 2003 Electronic Repair Manual AT-50
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
13. CONSULT-II procedure ended.
If “NG” appears on the screen, a malfunction may exist. Go to “DIAGNOSTIC PROCEDURE”.
DTCWORKSUPPORTMODE](/manual-img/5/57402/w960_57402-55.png)
AT-50
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
13. CONSULT-II procedure ended.
If “NG” appears on the screen, a malfunction may exist. Go to “DIAGNOSTIC PROCEDURE”.
DTCWORKSUPPORTMODE
Diagnostic Procedure Without CONSULT-IIECS004QN
EURO-OBD SELF-DIAGNOSTIC PROCEDURE (WITH GST)
Refer toEC-96, "Generic Scan Tool (GST) Function".
EURO-OBD SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Refer toEC-48, "Malfunction Indicator (MI)".
SAT596J
SAT593J
DTC work support item Description Check items (Possible cause)
1ST GR FNCTN P0731Following items for “A/T 1st gear function (P0731)” can be con-
firmed.
lSelf-diagnosis status (whether the diagnosis is being conducted
or not)
lSelf-diagnosis result (OK or NG)
lShift solenoid valve A
lShift solenoid valve B
lEach clutch
lHydraulic control circuit
2ND GR FNCTN P0732Following items for “A/T 2nd gear function (P0732)” can be con-
firmed.
lSelf-diagnosis status (whether the diagnosis is being conducted
or not)
lSelf-diagnosis result (OK or NG)
lShift solenoid valve B
lEach clutch
lHydraulic control circuit
3RD GR FNCTN P0733Following items for “A/T 3rd gear function (P0733)” can be con-
firmed.
lSelf-diagnosis status (whether the diagnosis is being conducted
or not)
lSelf-diagnosis result (OK or NG)
lShift solenoid valve A
lEach clutch
lHydraulic control circuit
4THGRFNCTNP0734Following items for “A/T 4th gear function (P0734)” can be con-
firmed.
lSelf-diagnosis status (whether the diagnosis is being conducted
or not)
lSelf-diagnosis result (OK or NG)
lShift solenoid valve A
lShift solenoid valve B
lOverrun clutch solenoid valve
lLine pressure solenoid valve
lEach clutch
lHydraulic control circuit