2009 NISSAN LATIO Service Repair Manual

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Page 137 of 4331

NISSAN LATIO 2009 Service Repair Manual AT-132< SERVICE INFORMATION >
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
During AT-58, " Cruise Test - Part 1 " .
Does A/T shift from D 3 to D 4 at the specified speed?
YES >> GO TO 10.
NO >> Check

Page 138 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0744 A/T TCC S/
V FUNCTION (LOCK-UP)
AT-133
< SERVICE INFORMATION >
D
E
F
G H
I
J
K L
M A
B AT
N
O P
2. Check solenoid valve by listening for its operating sound while
applying battery v

Page 139 of 4331

NISSAN LATIO 2009 Service Repair Manual Diagnosis Procedure " .
WITH GST
Follow the procedure “WITH CONSULT-III”.
WITHOUT CONSULT-III
1. Start engine.
2. With brake pedal depressed, shift the lever from “P” →“N” →“D”

Page 140 of 4331

NISSAN LATIO 2009 Service Repair Manual AT
N
O P
Wiring Diagram - AT - LPSV
INFOID:0000000004305408
TCM TERMINALS AND REFERENCE VALUES Refer to AT-77, " TCM Terminal and Reference Value " .

Page 141 of 4331

NISSAN LATIO 2009 Service Repair Manual OK >> GO TO 5.
NG >> GO TO 2. OK >> GO TO 3.
NG >> Repair or replace damaged parts. Item
Connec-
tor Terminal Condition Judge-
ment stan- dard
(Approx.)
Line pres-
sure sole-
noid valve E31 1 - Grou

Page 142 of 4331

NISSAN LATIO 2009 Service Repair Manual AT
N
O P
3. Check resistance between terminal cord assembly harness con-
nector terminal and ground.
OK or NG OK >> GO TO 4.
NG >> Repair or replace damaged parts. OK >> GO TO 5.
NG >> Repair open cir

Page 143 of 4331

NISSAN LATIO 2009 Service Repair Manual AT-138< SERVICE INFORMATION >
DTC P0745 LINE PRESS
URE SOLENOID VALVE
NG >> GO TO 6. 6.
CHECK TCM
1. Check TCM input/output signal. Refer to AT-77, " TCM Terminal and Reference Value " .
2. If NG, r

Page 144 of 4331

NISSAN LATIO 2009 Service Repair Manual AT
N
O P
DTC P0750 SHIFT SOLENOID VALVE A
Description INFOID:0000000004305411
Shift solenoid valves A and B are turned ON or OFF by the TCM in response to signals sent from the PN

AT
N
O P
DTC P0750 SHIFT SOLENOID VALVE A
Description INFOID:0000000004305411
Shift solenoid valves A and B are turned ON or OFF by the TCM in response to signals sent from the PNP
switch, vehicle speed and ECM (throttle opening). G ears will then be shifted to the optimum position.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004305412
On Board Diagnosis Logic INFOID:0000000004305413
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0750 SHIFT SOLENOID/V A” with CONSULT-III or 4th judgement flicker without
CONSULT-III is detected when TCM detects an improper voltage drop when it tries to operate the solenoid
valve.
Possible Cause INFOID:0000000004305414
• Harness or connector (The solenoid circuit is open or shorted.)
• Shift solenoid valve A
DTC Confirmation Procedure INFOID:0000000004305415
CAUTION:
• Always drive vehicle at a safe speed.
• If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MO NITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Touch “START”.
3. Start engine.
4. Drive vehicle in “D” position and allow the transaxle to shift 1 → 2 (“GEAR”).
5. If the check result is NG, go to AT-141, " Diagnosis Procedure " .
WITH GST
Follow the procedure “WITH CONSULT-III”.
WITHOUT CONSULT-III
1. Start engine.
2. Drive vehicle in D 1→ D 2 position.
3. Perform self-diagnosis. Refer to AT-83, " Diagnosis Procedure without CONSULT-III " .
4. If the check result is NG, go to AT-141, " Diagnosis Procedure " .
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) Item name Condition Display value
SHIFT S/V A When shift solenoid valve A operates.
(When driving in “D 1 ” or “D 4 ”.) ON
When shift solenoid valve A does not operate.
(When driving in “D 2 ” or “D 3 ”.) OFF

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