LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2017 >> 370Z Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Basic Inspection) >> Circuit Diagnosis >> Trouble Diagnosis - Specification Value >> Component Function Check >> Diagnostic Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Test

  1. PRECONDITIONING

    Make sure that all of the following conditions are satisfied.

    TESTING CONDITION 

    • Vehicle driven distance: More than 5, 000 km (3, 107 miles)
    • Barometric pressure: 98.3 - 104.3 kPa (1.003 - 1.064 kg/cm2 , 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
      • For A/T models: After the engine is warmed up to normal operating temperature, drive vehicle until "ATF TEMP 1" (A/T fluid temperature sensor signal) indicates more than 60°C (140°F).
      • For M/T models: After the engine is warmed up to normal operating temperature, drive for 5 minutes.
    • 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 STEP 2  .

  2. PERFORM SPEC IN DATA MONITOR MODE

    G-20With CONSULT 

    NOTE:

    Perform "SPEC" in "DATA MONITOR" mode in maximum scale display.

    1. Perform SPECIAL REPAIR REQUIREMENT .
    2. Select "B/FUEL SCHDL", "A/F ALPHA-B1", "A/F ALPHA-B2", "MAS A/F SE-B1" and "MAS A/F SE-B2" in "SPEC" of "DATA MONITOR" mode with CONSULT.
    3. Make sure that monitor items are within the SP value.

    Is the measurement value within the SP value?

    YES 

    INSPECTION END

    NO 

    Go to DIAGNOSIS PROCEDURE .