NISSAN X-TRAIL 2003 Electronic Workshop 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-
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

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

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

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

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

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

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-52
[EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
3.JUDGEMENT PROCEDURE STEP 2
1. Move selector lever to “2” position.
2. Set overdrive control switch to “ON” position.
>> GO TO 4
4.JUDGEMENT PROCEDURE STEP 3
1. Move selector lever to “1” position.
2. Set overdrive control switch to “OFF” position.
>> GO TO 5
5.JUDGEMENT PROCEDURE STEP 4
1. Depress accelerator pedal fully and release it.
>> GO TO 6
6.CHECK SELF-DIAGNOSIS CODE
Check O/D OFF indicator lamp. Refer toAT-53, "
JUDGEMENT OF
SELF-DIAGNOSIS CODE".
>>DIAGNOSIS END
SAT780B
SAT781B
SAT981F
SCIA0693E

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-53
[EURO-OBD]
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JUDGEMENT OF SELF-DIAGNOSIS CODE
O/D OFF indicator lamp:
All judgement flickers are the same.
All circuits that can be confirmed by self-diagnosis are OK.1st judgement flicker is longer than others.
Revolution sensor circuit is short-circuited or disconnected.

Go to DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLU-
TION SENSOR).
Refer toAT- 1 4 2 , "
DTC P0720 VEHICLE SPEED SENSOR·A/T
(REVOLUTION SENSOR)"
2nd judgement flicker is longer than others.
Vehicle speed sensor circuit is short-circuited or disconnected.

Go to VEHICLE SPEED SENSOR·MTR.
EURO-OBD:AT-221, "
Component Inspection"
3rd judgement flicker is longer than others.
Throttle position sensor circuit is short-circuited or disconnected.

Go to DTC P1705 ACCELEPATOR PEDAL POSI-
TION(APP)SENSOR
Refer toAT- 2 0 3 , "
DTC P1705 ACCELERATOR PEDAL POSI-
TION (APP) SENSOR"
4th judgement flicker is longer than others.
Shift solenoid valve A circuit is short-circuited or disconnected.

Go to DTC P0750 SHIFT SOLENOID VALVE A.
Refer toAT-193, "
DTC P0750 SHIFT SOLENOID VALVE A"
5th judgement flicker is longer than others.
Shift solenoid valve B circuit is short-circuited or disconnected.

Go to DTC P0755 SHIFT SOLENOID VALVE B.
Refer toAT- 1 9 8 , "
DTC P0755 SHIFT SOLENOID VALVE B"
SCIA0694ESCIA0695E
SCIA0696ESCIA0697E
SCIA0698ESCIA0699E

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