Engine Controls - Basic Diagnostic Procedures

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• Fuel System
  • Notes
  • Fuel Pressure Release
    • Accent & Elantra
    • Santa Fe, Sonata & XG350
  • Fuel Pump Test
  • Fuel Pressure Test
    • Fuel Pressure (Accent & Elantra)
    • Fuel Pressure (Santa Fe, Sonata & XG350)
  • ECM Control Relay
    • Notes
    • ECM Control Relay Test (Accent)
    • ECM Control Relay Test (Elantra)
    • ECM Control Relay Test (Santa Fe)
    • ECM Control Relay Test (Sonata 2.4L & XG350)
    • ECM Control Relay Test (Sonata 2.7L)
  • Fuel Pump Relay
    • Notes
    • Fuel Pump Relay Test (Accent & Elantra)
    • Fuel Pump Relay Test (Santa Fe)
    • Fuel Pump Relay Test (Sonata 2.4L & XG350)
    • Fuel Pump Relay Test (Sonata 2.7L)
  • Fuel Injectors
    • Fuel Injector Inspection
• Ignition Checks
  • Notes
  • Spark (Spark Plug & Cable)
  • Camshaft Position Sensor
  • Crankshaft Position Sensor
  • Ignition Coil Power Circuit
    • Power Circuit Test (Accent)
    • Power Circuit Test (Elantra)
    • Power Circuit Test (Santa Fe 2.4L & Sonata 2.4L)
    • Power Circuit Test (Santa Fe 2.7L & Sonata 2.7L)
    • Power Circuit Test (XG350)
  • Ignition Coil Ground Circuit
    • Ground Circuit Test (Accent)
    • Ground Circuit Test (Elantra)
    • Ground Circuit Test (Santa Fe 2.4L & Sonata 2.4L)
    • Ground Circuit Test (Santa Fe 2.7L)
    • Ground Circuit Test (Sonata 2.7L)
    • Ground Circuit Test (XG350)
  • Ignition Coil Resistance
    • Ignition Coil Resistance Test (Accent & Elantra)
    • Ignition Coil Resistance Test (Santa Fe 2.4L, Sonata 2.4L & XG350)
    • Ignition Coil Resistance Test (Santa Fe 2.7L & Sonata 2.7L)
• Idle Speed & Ignition Timing
  • Notes
  • Idle Speed
    • Base Idle Speed
    • Idle Mixture
  • Ignition Timing
• Summary