2003 NISSAN ALMERA N16 Electronic Repair Manual

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Page 1617 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
AT-161
[EURO-OBD]
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Wiring Diagram — AT — TCVECS007OZ
YAT 2 3 9

Page 1618 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual AT-162
[EURO-OBD]
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
Diagnostic Procedure
ECS007P0
1. CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect terminal cord as

Page 1619 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
AT-163
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Component InspectionECS007P1
TORQUE CONVERTER CLUTCH SOLENOID VALVE
●For removal, refer to AT-406, "C

Page 1620 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual AT-164
[EURO-OBD]
DTC P0745 LINE PRESSURE SOLENOID VALVE
DTC P0745 LINE PRESSURE SOLENOID VALVE
PFP:31940
DescriptionECS007P2
The line pressure solenoid valve regulates the oil pump discharge

AT-164
[EURO-OBD]
DTC P0745 LINE PRESSURE SOLENOID VALVE
DTC P0745 LINE PRESSURE SOLENOID VALVE
PFP:31940
DescriptionECS007P2
The line pressure solenoid valve regulates the oil pump discharge
pressure to suit the driving condition in response to a signal sent
from the TCM.
NOTE:
The line pressure duty cycle value is not consistent when the
closed throttle position switch is “ON”. To confirm the line
pressure duty cycle at low pressure, the accelerator (throttle)
should be open until the closed throttle position switch is
“OFF”.
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.
NOTE:
The line pressure duty cycle value is not consistent when the closed throttle position switch is “ON”. To confirm the line pressure duty
cycle at low pressure, the accelerator (throttle) should be open until the closed throttle position switch is “OFF”.
TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.
ON BOARD DIAGNOSIS LOGIC
SCIA0735E
Monitor item Condition Specification
Line pressure solenoid valve dutySmall throttle opening
(Low line pressure)
↓
Large throttle opening
(High line pressure)Approximately 24%
↓
Approximately 95%
Termi-
nal No.Wire color Item ConditionJudgement stan-
dard
(Approx.)
1R/WLine pressure
solenoid valveWhen releasing accelerator pedal
after warming up engine.1.5 - 3.0V
When depressing accelerator pedal
fully after warming up engine.0V
2P/BLine pressure
solenoid valve
(with dropping
resistor)When releasing accelerator pedal
after warming up engine.4 - 14V
When depressing accelerator pedal
fully after warming up engine.0V
Diagnostic trouble code Malfunction is detected when... Check items (Possible cause)
: L/PRESS SOL/CIRC
TCM detects an improper voltage drop
when it tries to operate the solenoid valve.
●Harness or connectors
(The solenoid circuit is open or shorted.)
●Line pressure solenoid valve
: P0745

Page 1621 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P0745 LINE PRESSURE SOLENOID VALVE
AT-165
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DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE�

Page 1622 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual AT-166
[EURO-OBD]
DTC P0745 LINE PRESSURE SOLENOID VALVE
Wiring Diagram — AT — LPSV
ECS007P3
YAT 3 6 0

Page 1623 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P0745 LINE PRESSURE SOLENOID VALVE
AT-167
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Diagnostic ProcedureECS007P4
1.CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect te

Page 1624 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual AT-168
[EURO-OBD]
DTC P0745 LINE PRESSURE SOLENOID VALVE
3. CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Check resistance between terminal 4 and TCM harness connector t

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