Engine Controls - Basic Testing - 4-CYL

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• Fuel System
  • Notes
  • Fuel Pressure
    • Fuel Pressure Release
  • Fuel Pump Quick Test
  • Fuel System Pressure Test
    • Notes
    • MR2 & Previa
    • Except MR2 & Previa
  • Fuel Pump Control Circuit
    • EFI Main Relay
    • Circuit Opening Relay
    • Fuel Pump Relay & Fuel Pump Resistor (Celica 2.0L Turbo)
• Ignition Checks
  • Diagnostic Codes
    • Notes
    • Code 12 (No RPM Signal)
    • Code 13 (No RPM Signal)
    • Code 14 (Ignition Signal Problem)
  • Spark Test
  • Ignition Coil Resistance Tests
    • Primary Coil Resistance Test
    • Secondary Coil Resistance Test
  • Pick-Up Coil Resistance Test
    • Camry (2.0L) & Tercel
    • Celica (1.6L) & Corolla (4A-FE)
    • Celica (2.0L), MR2 (2.0L) & Previa
    • Celica (2.2L) & MR2 (2.2L)
    • Corolla (4A-GE)
    • Pickup (2.4L) & 4Runner (2.4L)
  • Pick-Up Coil Air Gap Check
• Idle Speed & Ignition Timing
  • Notes
  • Idle Speed
  • Ignition Timing
• Summary