Nissan Maxima Service and Repair Manual: 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
DTC CONFIRMATION PROCEDURE
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
-
Turn ignition switch ON
-
Select "Data Monitor" in "TRANSMISSION".
-
Check that output voltage of CVT fluid temperature sensor is within the range below.
ATF TEMP SEN : 1.0 - 2.0 V
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)
Diagnosis Procedure
1.CHECK DTC
With CONSULT
-
Start engine.
-
Perform "Self Diagnostic Results" in "TRANSMISSION".
P1740 select solenoid
Description
The lock-up select solenoid valve controls
lock-up clutch pressure or forward clutch pressure (reverse brake
pressure).
When controlling lock-up clutch, th ...
P1777 step motor
Description
The step motor changes the step by turning 4 coils ON/OFF
according to the signal from TCM. As a result, the
flow of line pressure to primary pulley is changed and pulley ratio is
c ...
Other materials:
P0111 IAT sensor
Description
The intake air temperature sensor is built-into the mass air flow sensor
(1). The sensor detects intake air temperature and transmits a
signal to the ECM.
The temperature sensing unit uses a thermistor which is sensitive to
the change in temperature. Electrical resistance o ...
RGB area (YS) signal circuit
Description
Transmits the display area of RGB image displayed by AV control unit with RGB
area (YS) signal to display
unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV control unit
con ...
P1715 input speed sensor
Description
ECM receives input speed sensor signal from TCM via the CAN communication
line. ECM uses this signal for
engine control.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1715 is displayed with DTC UXXXX first perform the
trouble diagnosis for DTC UXXXX. Refer
to EC-161 ...
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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