Nissan Versa (N17): Line pressure test
Work Procedure
INSPECTION
- Check the engine oil level. Replenish if necessary. Refer to LU "Inspection".
- Check for CVT fluid leaks. Refer to TM "Inspection".
- Drive for about 10 minutes to warm up the vehicle so that the CVT fluid temperature is 50 to 80C (122 to 176F).
- Stop the vehicle, apply the parking brake and block the tires.
- Start the engine.
- Select "Data Monitor" in "TRANSMISSION".
- Select "LINE PRESSURE".
- Measure the line pressure at both idle and the stall speed.
CAUTION: Keep brake pedal pressed all the way down during measurement.
Line pressure : TM "Line Pressure"
NARROWING-DOWN MALFUNCTIONING PARTS
Dtc/circuit diagnosis
Stall test
Work Procedure INSPECTION Check the engine oil level. Replenish if necessary. Check for leak of the CVT fluid. Refer to TM "Inspection". Drive for about 10 minutes to warm up the v ...
U0073 Communication bus A off
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 excelle ...
Other materials:
Engine protection control at low engine oil pressure
Engine protection control at low engine oil pressure : system diagram
Engine protection control at low engine
oil pressure : system description
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Engine oil pressure sensor
Engine pressure
...
P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...
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