2003 NISSAN X-TRAIL engine

AT-40
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
7. Touch “ERASE”. (The DTC in the ECM will be erased.)
HOW TO ERASE DTC (WITH GST)
1. If the ignition switch stays “ON” after repair work, be sure to turn ignition switch “OFF” once. Wait at least
5 seconds and then turn it “ON” (engine stopped) again.
2. Perform “EURO-OBD SELF-DIAGNOSTIC PROCEDURE (No Tools)”. Refer toAT - 5 1 , "
TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)". (The engine warm-up step can be skipped when performing the
diagnosis only to erase the DTC.)
3. Select Mode 4 with Generic Scan Tool (GST). For details, refer toEC-96, "
Generic Scan Tool (GST) Func-
tion", “Generic Scan Tool (GST)”.
HOW TO ERASE DTC (NO TOOLS)
1. If the ignition switch stays “ON” after repair work, be sure to turn ignition switch “OFF” once. Wait at least
5 seconds and then turn it “ON” (engine stopped) again.
2. Perform “TCM SELF-DIAGNOSTIC PROCEDURE (No Tools)”. Refer toAT-51, "
TCM SELF-DIAGNOS-
TIC PROCEDURE (NO TOOLS)". (The engine warm-up step can be skipped when performing the diag-
nosis only to erase the DTC.)
SAT017K

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-41
[EURO-OBD]
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Malfunction Indicator lamp (MIL)ECS004QL
1. The malfunction indicator lamp will light up when the ignition
switch is turned ON without the engine running. This is for
checking the lamp.
lIf the malfunction indicator does not light up, refer to "",
“Warning Lamps”.
(Or see MIL & CONSULT-II in EC section. Refer toEC-48,
"Malfunction Indicator (MI)", “Description”, “Malfunction Indi-
cator lamp (MIL)” and "", “CONSULT-II”.)
2. When the engine is started, the malfunction indicator should go
off.
If the lamp remains on, the on board diagnostic system has
detected an emission-related (EURO-OBD) malfunction. For
detail, refer to "njec0029", “ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION”.
CONSULT-IIECS0 04 QM
After performing “SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)”AT- 4 1 , "SELF-DIAGNOSTIC
PROCEDURE (WITH CONSULT-II)", place check marks for results on the “DIAGNOSTIC WORKSHEET”,
AT- 5 7 , "
DIAGNOSTIC WORKSHEET". Reference pages are provided following the items.
NOTICE:
1. The CONSULT-II electrically displays shift timing and lock-up timing (that is, operation timing of each sole-
noid).
Check for time difference between actual shift timing and the CONSULT-II display. If the difference is
noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-II and that indicated in Service Man-
ual may differ slightly. This occurs because of the following reasons:
–Actual shift schedule has more or less tolerance or allowance,
–Shift schedule indicated in Service Manual refers to the point where shifts start, and
–Gear position displayed on CONSULT-II indicates the point where shifts are completed.
3. Shift solenoid valve “A” or “B” is displayed on CONSULT-II at the start of shifting. Gear position is dis-
played upon completion of shifting (which is computed by TCM).
4. Additional CONSULT-II information can be found in the Operation Manual supplied with the CONSULT-II
unit.
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)
1. Turn on CONSULT-II and touch “ENGINE” for EURO-OBD
detected items or touch “A/T” for TCM self-diagnosis.
If A/T is not displayed, check TCM power supply and ground cir-
cuit. Refer toAT - 1 2 5 , "
TCM Terminals and Reference Value".If
result is NG, refer toPG-2, "
POWER SUPPLY ROUTING".
SAT652J
SAT014K

AT-42
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
2. Touch “SELF DIAGNOSIS”.
Display shows malfunction experienced since the last erasing
operation.
CONSULT-II performs “real time diagnosis”.
Also, any malfunction detected while in this mode will be dis-
played at real time.
SELF-DIAGNOSTIC RESULT TEST MODE
SAT987J
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
indicator lamp or “A/T”
on CONSULT-IIAvailable by malfunc-
tion indicator*2,
“ENGINE” on CON-
SULT-II or GST “A/T” “ENGINE”
Park/neutral position (PNP) switch circuit
lTCM does not receive the correct
voltage signal (based on the gear
position) from the switch.— P0705
—PNP SW/CIRC
Revolution sensor
lTCM does not receive the proper
voltage signal from the sensor.
X P0720
VHCL SPEED
SEN·A/TVEH SPD SEN/CIR
AT
Vehicle speed sensor (Meter)
lTCM does not receive the proper
voltage signal from the sensor.
X—
VHCL SPEED
SEN·MTR—
A/T 1st gear function
lA/T cannot be shifted to the 1st
gear position even if electrical cir-
cuit is good.— P0731*1
—A/T 1ST GR FNCTN
A/T 2nd gear function
lA/T cannot be shifted to the 2nd
gear position even if electrical cir-
cuit is good.— P0732*1
—A/T 2ND GR FNCTN
A/T 3rd gear function
lA/T cannot be shifted to the 3rd
gear position even if electrical cir-
cuit is good.— P0733*1
—A/T 3RD GR FNCTN
A/T 4th gear function
lA/T cannot be shifted to the 4th
gear position even if electrical cir-
cuit is good.— P0734*1
—A/T 4TH GR FNCTN
Shift solenoid valve A
lTCM detects an improper voltage
drop when it tries to operate the
solenoid valve.X P0750
SHIFT SOLENOID/V
ASFT SOL A/CIRC
Shift solenoid valve B
lTCM detects an improper voltage
drop when it tries to operate the
solenoid valve.X P0755
SHIFT SOLENOID/V
BSFT SOL B/CIRC
Overrun clutch solenoid valve
lTCM detects an improper voltage
drop when it tries to operate the
solenoid valve.X P1760
OVERRUN CLUTCH
S/VO/R CLUCH SOL/
CIRC
T/C clutch solenoid valve
lTCM detects an improper voltage
drop when it tries to operate the
solenoid valve.X P0740
T/CCLUTCHSOL/V TCCSOLENOID/
CIRC

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-43
[EURO-OBD]
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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”

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.

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-
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

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-51
[EURO-OBD]
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TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
1.CHECK O/D OFF INDICATOR LAMP
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch to “OFF” position.
Wait 5 seconds.
3. Turn ignition switch to “ACC” position.
4. Set overdrive control switch to “ON” position.
5. Move selector lever to “P” position.
6. Turn ignition switch to “ON” position. (Do not start engine.)
7. Does O/D OFF indicator lamp come on for about 2 seconds?
Ye s o r N o
Yes >>GOTO2
No >> Go toAT- 2 3 2 , "
1. O/D OFF Indicator Lamp Does Not Come On".
2.JUDGEMENT PROCEDURE STEP 1
1. Turn ignition switch to “OFF” position.
2. Turn ignition switch to “ACC” position.
3. Move selector lever to “D” position.
4. Set overdrive control switch to “OFF” position.
5. Turn ignition switch to “ON” position. (Do not start engine.)
–Wait more than 2 seconds after turning ignition switch “ON”.
>> GO TO 3
SAT774B
SCIA0693E
SAT653E

AT-54
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
6th judgement flicker is longer than others.
Overrun clutch solenoid valve circuit is short-circuited or discon-
nected.

GotoDTCP1760OVERRUNCLUTCHSOLENOIDVALVE.
Refer toAT- 2 0 8 , "
DTC P1760 OVERRUN CLUTCH SOLENOID
VA LV E"
7th judgement flicker is longer than others.
Torque converter clutch solenoid valve circuit is short-circuited or
disconnected.

Go to DTC P0740 TORQUE CONVERTER CLUTCH SOLE-
NOID VALVE.
Refer toAT-181, "
DTC P0740 TORQUE CONVERTER CLUTCH
SOLENOID VALVE"
8th judgement flicker is longer than others.
A/T fluid temperature sensor is disconnected or TCM power
source circuit is damaged.

Go to DTC BATT/FLUID TEMP SEN A/T FLUID TEMP SEN-
SOR CIRCUIT AND TCM POWER SOURCE .
EURO-OBD:AT- 2 1 6 , "
DTC BATT/FLUID TEMP SEN (A/T FLUID
TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)"
9th judgement flicker is longer than others.
Engine speed signal circuit is short-circuited or disconnected.

Go to DTC P0725 ENGINE SPEED SIGNAL.
Refer toAT-147, "
DTC P0725 ENGINE SPEED SIGNAL"
O/D OFF indicator lamp:
SCIA0700ESCIA0701E
SCIA0702ESCIA0703E