Engine Controls - Basic Diagnostic Procedures - 4-Cylinder

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression (Camry, Camry Solara, Celica, Corolla & RAV4)
    • Compression (Tacoma & 4Runner)
• Fuel System
  • Notes
  • Fuel Pump Operation
    • Notes
    • Checking Fuel Pump Operation Using Scan Tool (Camry, Camry Solara, Celica, RAV4, Tacoma & 4Runner)
    • Checking Fuel Pump Operation Using Scan Tool (Corolla)
    • Checking Fuel Pump Operation By Applying Battery Voltage To Fuel Pump
  • Fuel Pressure Release
  • Fuel Pressure
    • Camry & Camry Solara
    • Celica
    • Corolla
    • RAV4
    • Tacoma & 4Runner
  • Fuel Pump Control Circuit
    • Notes
    • Circuit Opening Relay (Camry & Camry Solara)
    • Circuit Opening Relay (Celica)
    • Circuit Opening Relay (Corolla)
    • Circuit Opening Relay (RAV4)
    • Circuit Opening Relay (Tacoma)
    • Circuit Opening Relay (4Runner)
    • EFI Main Relay (Camry & Camry Solara)
    • EFI Main Relay (Celica)
    • EFI Main Relay (Corolla)
    • EFI Main Relay (RAV4)
    • EFI Main Relay (Tacoma & 4Runner)
• Ignition Checks (Distributor Type Ignition System)
  • Notes
  • Spark Test
    • Celica
  • Crankshaft Position Sensor Resistance
    • Celica
  • Ignition Coil Resistance
    • Celica
  • Pick-Up Coil Resistance
    • Celica
  • Pick-Up Coil Air Gap
    • Celica
• Ignition Checks (DISTRIBUTORLESS Ignition System)
  • Notes
  • Spark Test
    • Camry, Camry Solara, Corolla, RAV4, Tacoma & 4Runner
  • Ignition Coil Resistance
    • Camry, Camry Solara, Corolla, RAV4, Tacoma & 4Runner
  • Camshaft Position Sensor Resistance
    • Camry & Camry Solara
    • Corolla
    • RAV4
    • Tacoma & 4Runner
  • Crankshaft Position Sensor Resistance
    • Camry & Camry Solara
    • Corolla
    • RAV4
    • Tacoma & 4Runner
• Idle Speed & Ignition Timing
• Summary