Nissan Maxima Service and Repair Manual: Line pressure test

Inspection and Judgment

INSPECTION

Line Pressure Test Procedure

  1.  Inspect the amount of engine oil and replenish if necessary.

  2.  Drive the car for about 10 minutes to warm it up so that the CVT fluid reaches in the range of 50 to 80C (122 to 176F). Then inspect the amount of CVT fluid and replenish if necessary.

    NOTE: The CVT fluid temperature rises in the range of 50 to 80C (122 to 176F) during 10 minutes of driving.

  3.  After warming up transaxle assembly, remove oil pressure detection plug and install Tool.

CAUTION: When using oil pressure gauge, be sure to use O-ring attached to oil pressure detection plug.

4. Securely engage parking brake so that the tires do not turn.

5. Start the engine, and then measure the line pressure at both idle and the stall speed.

CAUTION:

  •  Keep brake pedal pressed all the way down during measurement.

  •  When measuring the line pressure at the stall speed.

    Refer to TM-160, "Inspection and Judgment".

6. Install oil pressure detection plug and tighten to the specified torque below after the measurements are complete.

CAUTION:

  •  Never reuse O-ring.

  •  Apply CVT fluid to O-ring.

JUDGMENT

    Stall test
    Inspection and Judgment INSPECTION  Inspect the amount of engine oil. Replenish the engine oil if necessary.  Drive for about 10 minutes to warm up the vehicle so that ...

    Road test
    Description DESCRIPTION  The purpose of the test is to determine the overall performance of CVT and analyze causes of problems.  The road test consists of the following ...

    Other materials:

    Clip list
    Descriptions for Clips Replace any clips which are damaged during removal or installation. ...

    A-bag branch line circuit
    Diagnosis Procedure WARNING: Always observe the following items for preventing accidental activation. Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.) Never use unspecified tester or other measu ...

    Diagnosis system (BCM)
    COMMON ITEM COMMON ITEM : CONSULT Function (BCM - COMMON ITEM) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. Direct Diagnostic Mode Description Ecu Identification The BCM part number is displayed Self Diagnostic R ...

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