Engine Controls - Basic Testing - V6 & V8

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
• Fuel System
  • * Please Read First *
  • Fuel Pump Operation
    • Notes
    • Checking Fuel Pump Operation Using Scan Tool (Avalon, Camry, Sienna, Tacoma, T100 & 4Runner)
    • Checking Fuel Pump Operation Using Scan Tool (Land Cruiser & LX470)
    • Checking Fuel Pump Operation By Applying Battery Voltage To Fuel Pump
  • Fuel Pressure Release
    • Avalon & Camry
    • Land Cruiser & LX470
    • Sienna
    • Tacoma, T100 & 4Runner
  • Fuel Pressure (Fuel System)
    • Avalon & Camry
    • Land Cruiser & LX470
    • Sienna
    • Tacoma, T100 & 4Runner
  • Fuel Pump Control Circuit
    • Notes
    • Circuit Opening Relay (Avalon, Camry & Sienna)
    • Circuit Opening Relay (Tacoma & T100)
    • Circuit Opening Relay (4Runner)
    • EFI Main Relay (Avalon & Camry)
    • EFI Main Relay (Land Cruiser & LX470)
    • EFI Main Relay (Sienna, Tacoma, T100 & 4Runner)
    • Fuel Pump Electronic Control Unit (ECU) & Fuel Pump Switch (Land Cruiser & LX470)
• Ignition Checks
  • Spark Test
    • Avalon, Camry & Sienna
    • Land Cruiser & LX470
    • Tacoma, T100 & 4Runner
  • Ignition Coil Resistance
    • Avalon, Camry, Sienna, Tacoma, T100 & 4Runner
    • Land Cruiser & LX470
  • Camshaft Position Sensor Resistance
    • Avalon, Camry & Sienna
    • Land Cruiser & LX470
    • Tacoma, T100 & 4Runner
  • Crankshaft Position Sensor Resistance
    • Avalon, Camry & Sienna
    • Land Cruiser & LX470
    • Tacoma, T100 & 4Runner
• Idle Speed & Ignition Timing
• Summary