2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 169 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0732 A/T 2ND GEAR FUNCTION
AT-163
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3.CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure,AT-159, "
DIAGNOSTIC TROUBLE CODE
(DTC) CONFIRMATIO

Page 170 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AT-164
[EURO-OBD]
DTCP0732A/T2NDGEARFUNCTION
Operation Check
lCheck solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground.
SCIA0758E

Page 171 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0733 A/T 3RD GEAR FUNCTION
AT-165
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DTC P0733 A/T 3RD GEAR FUNCTIONPFP:31940
DescriptionECS004RI
lThis is an OBD-II self-diagnostic item and not available in TC

DTC P0733 A/T 3RD GEAR FUNCTION
AT-165
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DTC P0733 A/T 3RD GEAR FUNCTIONPFP:31940
DescriptionECS004RI
lThis is an OBD-II self-diagnostic item and not available in TCM self-diagnosis.
lThis malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis
malfunction.
lThis malfunction is detected when the A/T does not shift into third gear position as instructed by the TCM.
This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such
as control valve sticking, improper solenoid valve operation, malfunctioning servo piston or brake band,
etc.
TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.
ON BOARD DIAGNOSTIC LOGIC
This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as
follows:
Torque converter slip ratio = A x C/B
A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from ECM
C: Gear ratio determined as gear position which TCM supposes
If the actual gear position is higher than the position (3rd) supposed by TCM, the slip ratio will be more than
normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.
This malfunction will be caused when shift solenoid valve A is stuck closed.
*: P0733 is detected.Gear position 1 2 3 4
Shift solenoid valve A ON (Closed) OFF (Open) OFF (Open) ON (Closed)
Shift solenoid valve B ON (Closed) ON (Closed) OFF (Open) OFF (Open)
Te r m i -
nal No.Wire color Item ConditionJudgement stan-
dard
(Approx.)
11 L / WShift solenoid
valve AWhen shift solenoid valve A oper-
ates.
(When driving in “D
1”or“D4”.)Battery voltage
When shift solenoid valve A does not
operate.
(When driving in “D
2”or“D3”.)0V
GearpositionsupposedbyTCM 1234
Incaseofgearpositionwithnomalfunctions 1234
In case of gear position with shift solenoid valve A stuck closed 1 1 4* 4
Diagnostic trouble code Malfunction is detected when ... Check items (Possible cause)
:A/T3RDGRFNCTN
A/T cannot be shifted to the 3rd gear posi-
tion even if electrical circuit is good.
lShift solenoid valve A
lEach clutch
lHydraulic control circuit : P0733

Page 172 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AT-166
[EURO-OBD]
DTCP0733A/T3RDGEARFUNCTION
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION:
lAlways drive vehicle at a safe speed.
lBe careful not to rev engine into the red zone on the

AT-166
[EURO-OBD]
DTCP0733A/T3RDGEARFUNCTION
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION:
lAlways drive vehicle at a safe speed.
lBe careful not to rev engine into the red zone on the
tachometer.
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting the
next test.
TESTING CONDITION:
Always drive vehicle on a level road to improve the accuracy of
test.
After the repair, perform the following procedure to confirm the mal-
function is eliminated.
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”)
lCheck 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 “DIAGNOSTIC PROCEDURE”,AT-169,
"Diagnostic Procedure".
If “STOP VEHICLE” appears on CONSULT-II screen, go to following step.
lCheck that “GEAR” shows “3” when depressing accelerator pedal with 3.5/8 - 4.5/8 of “THROTTLE
POSI”.
lIf “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.)
SAT014K
SAT971J
SAT021J

Page 173 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0733 A/T 3RD GEAR FUNCTION
AT-167
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8. Make sure that “OK” is displayed. (If “NG” is displayed, refer to “DIAGNOSTIC PROCEDURE”.)
Refer to “DIAGNO

Page 174 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AT-168
[EURO-OBD]
DTCP0733A/T3RDGEARFUNCTION
Wiring Diagram — AT — 3RD
ECS0 04 RJ
TCWA0051E

Page 175 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0733 A/T 3RD GEAR FUNCTION
AT-169
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Diagnostic ProcedureECS004RK
1.CHECK SHIFT SOLENOID VALVE
1. Remove control valve assembly. Refer toAT-454, "
REMOVAL".
2. C

Page 176 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AT-170
[EURO-OBD]
DTCP0733A/T3RDGEARFUNCTION
3.CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure,AT- 1 6 5 , "
DTC P0733 A/T 3RD GEAR
FUNCTION".
OK or NG
OK >>INSPECTION END
NG >>

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