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Home >> Mazda >> 2023 >> MX-5 Miata RF Club >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine >> Engine Control System Operation Inspection >> Electric Variable Valve Timing Driver Control System Inspection >> Related PIDs

Related PIDs

PID/DATA MONITOR ITEM

Item (definition) Unit/Condition Definition Condition/Specification (Reference)
VT_IN_ACT °(deg) Actual intake variable valve timing control
  • Advance amount from max retard position
  • Displays actual intake variable valve timing-advance amount from max retard position
Ignition switched ON (engine off) 
  • Approx. 28° (ECT is 89°C {192°F})
Idle (after warm up) 
  • Approx. 24.75° (ECT is 91°C {196°F})
Racing (engine speed is 2, 000 RPM) 
  • Approx. 18.62° (ECT is 89°C {192°F})
Racing (engine speed is 4, 000 RPM) 
  • Approx. 0.18° (ECT is 88°C {190°F})
VT_IN_DES °(deg) Target intake variable valve timing control
  • Advance amount from max retard position
  • Displays target intake variable valve timing-advance amount from max retard position
Ignition switched ON (engine off) 
  • Approx. 27.81° (ECT is 89°C {192°F})
Idle (after warm up) 
  • Approx. 24.56° (ECT is 91°C {196°F})
Racing (engine speed is 2, 000 RPM) 
  • Approx. 18.62° (ECT is 89°C {192°F})
Racing (engine speed is 4, 000 RPM) 
  • Approx. 0° (ECT is 88°C {190°F})