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Home >> Nissan-Datsun >> 2018 >> Maxima SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 5) >> DTC/Circuit Diagnosis >> Trouble Diagnosis - Specification Value >> Component Function Check
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Component Function Check

  1. START 

    Check that all of the following conditions are satisfied.

    • Vehicle driven distance: More than 5, 000 km (3, 107 miles)
    • Barometric pressure: 98.3 - 104.3 kPa (0.983 - 1.043 bar, 1.003 - 1.064 kg/cm 2 , 14.25 - 15.12 psi)
    • Atmospheric temperature: 20 - 30°C (68 - 86°F)
    • Engine coolant temperature: 75 - 95°C (167 - 203°F)
    • Transmission: Warmed-up
      • After the engine is warmed up to normal operating temperature, drive vehicle until "FLUID TEMP SE" (CVT fluid temperature sensor signal) indicates more than 60°C (140°F).
    • Electrical load: Not applied
      • Rear window defogger switch, air conditioner switch lighting switch are OFF. Steering wheel is straight ahead.
    • Engine speed: Idle

    GO TO 2.

  2. PERFORM "SPEC" OF "DATA MONITOR" MODE 

    SYMBOL With CONSULT

    NOTE: Perform "SPEC" in "DATA MONITOR" mode in maximum scale display.
    1. Perform basic inspection. Refer to Work Procedure .
    2. Select "B/FUEL SCHDL", "A/F ALPHA-B1", "A/F ALPHA-B2" and "MAS AIR FLOW SENSOR (Hz)" in "SPEC" of "DATA MONITOR" mode with CONSULT.
    3. Check that monitor items are within the SP value.

    Is the measurement value within the SP value?

    YES

    INSPECTION END

    NO

    Proceed to Diagnosis Procedure .