Engine Controls - Basic Testing - 6-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
  • Fuel Pump Control Circuit
    • EFI Main Relay
    • Circuit Opening Relay
    • Fuel Pump Relay & Fuel Pump Resistor (Supra)
• Ignition Checks (Except Supra Turbo)
  • Diagnostic Codes (Except Supra Turbo)
    • Notes
    • Code 12 (No RPM Signal)
    • Code 13 (No RPM Signal)
    • Code 14 (Ignition Signal Problem)
  • Spark Test (Except Supra Turbo)
  • Ignition Coil Resistance Tests (Except Supra Turbo)
    • Primary Coil Resistance Test
    • Secondary Coil Resistance Test
  • Pick-Up Coil Resistance Test (Except Supra Turbo)
    • Cressida & Supra (Non-Turbo)
    • Land Cruiser
  • Pick-Up Coil Air Gap Check (Except Supra Turbo)
• Ignition Checks (Supra Turbo)
  • Diagnostic Codes (Supra Turbo)
    • Notes
    • Code 12 (No RPM Signal)
    • Code 13 (No RPM Signal)
    • Code 14 (Ignition Signal Problem)
  • Spark Test (Supra Turbo)
  • Ignition System Connection Checks (Supra Turbo)
  • Ignition Coil (Supra Turbo)
    • Ignition Feed Circuit Test
    • Primary Coil Resistance
    • Ignition Coil Ground Test
  • Ignition Operational Check (Supra Turbo)
    • Feed To Ignitor Test
  • Pick-Up Coil Resistance Test (Supra Turbo)
  • Pick-Up Coil Air Gap Check (Supra Turbo)
  • IGNITOR Test (Supra Turbo)
    • Ignitor Power Transistor Check
• Idle Speed & Ignition Timing
  • Notes
  • Idle Speed
  • Ignition Timing
• Summary