Nissan Maxima Service and Repair Manual: P1740 select solenoid
Description
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The lock-up select solenoid valve controls lock-up clutch pressure or forward clutch pressure (reverse brake pressure).
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When controlling lock-up clutch, the valve is turned OFF. When controlling forward clutch, it is turned ON.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
NOTE: Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
1.CHECK DTC DETECTION
With CONSULT
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Turn ignition switch ON.
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Select "Data Monitor" in "TRANSMISSION".
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Start engine and maintain the following conditions for at least 5 consecutive seconds.
RANGE : "D" and "N" position (At each time, wait for 5 seconds.)
With GST
Follow the procedure "With CONSULT".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to TM-126, "Wiring Diagram".
1.CHECK LOCK-UP SELECT SOLENOID VALVE CIRCUIT
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Turn ignition switch OFF.
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Disconnect TCM connector.
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Check resistance between TCM vehicle side harness connector terminal and ground.
2.CHECK HARNESS BETWEEN TCM AND CVT UNIT (LOCK-UP SELECT SOLENOID VALVE) (PART 1)
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Disconnect CVT unit connector.
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Check continuity between TCM vehicle side harness connector terminal and CVT unit vehicle side harness connector terminal.
3.CHECK HARNESS BETWEEN TCM AND CVT UNIT (LOCK-UP SELECT SOLENOID VALVE) (PART 2)
Check continuity between TCM vehicle side harness connector terminal and ground.
4.CHECK LOCK-UP SELECT SOLENOID VALVE
Check lock-up select solenoid valve. Refer to TM-107, "Component Inspection (Lock-up Select Solenoid Valve)".
5.DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Component Inspection (Lock-up Select Solenoid Valve)
1.CHECK LOCK-UP SELECT SOLENOID VALVE
Check resistance between CVT unit connector terminal and ground.
P1726 throttle control signal
Description
The electric throttle control actuator consists of
throttle control motor, accelerator pedal position sensor, throttle
position sensor, etc. The actuator sends a signal to the ECM, an ...
P1745 line pressure control
Description
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.
DTC Logic
DTC DETECTION LOGIC
...
Other materials:
Precautions when starting and driving
WARNING
Do not leave children or adults who
would normally require the assistance
of others alone in your vehicle. Pets
should also not be left alone. They
could accidentally injure themselves or
others through inadvertent operation of
the vehicle. Also, on hot, sunny days,
tempera ...
CVT fluid
Inspection
CHECKING CVT FLUID
The fluid level should be checked with the fluid warmed
up to 50 to 80C (122 to 176F). The fluid level
check procedure is as follows:
Check for fluid leakage.
With the engine warmed up, drive the vehicle in
an urban area.
When amb ...
Power steering solenoid valve
Description
Power steering solenoid valve controls the power steering oil pressure in the
gear housing assembly.
Diagnosis Procedure
1.CHECK POWER STEERING SOLENOID VALVE SIGNAL
Start engine.
Check voltage between power steering control unit connectorM59
terminal 1 and ground
...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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