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:
CAN communication system
System Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto each vehicle, a ...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when the incident/malfunction occurred).
2. CHECK DTC
Check DTC.
Perform the following procedure if DTC is displa ...
Power steering fluid
Check the fluid level in the reservoir.
The fluid level should be checked when the fluid
is cold at fluid temperatures of 32 to 86ºF (0 to
30ºC). The fluid level can be checked with the
level gauge which is attached to the cap. To
check the fluid level, remove the cap. The fluid ...
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
0.0072