Engine Controls - Basic Diagnostic Procedures

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
• Fuel System
  • Notes
  • Fuel Pump Operation
    • Notes
    • Checking Fuel Pump Operation Using Scan Tool (GS300, GS430, GX470, IS300 & LS430)
    • Checking Fuel Pump Operation Using Scan Tool (LX470)
    • Checking Fuel Pump Operation Using Scan Tool (RX300)
    • Checking Fuel Pump Operation By Applying Battery Voltage To Fuel Pump
  • Fuel Pressure Release
  • Fuel Pressure
    • Notes
    • Es300 & RX300
    • GS300 & Is300
    • GS430, LS430 & SC430
    • GX470 & Lx470
• Ignition Checks
  • Spark Test
    • Es300, GS430, GX470, LS430, Lx470, RX300 & SC430
    • GS300 & Is300
  • Camshaft Position Sensor Resistance
  • Crankshaft Position Sensor Resistance
    • Es300, GS430, GX470, LS430, Lx470 & RX300
    • GS300 & Is300
  • Ignition Coil Resistance
    • Es300, GS430, GX470, LS430, Lx470, RX300 & SC430
    • GS300 & Is300
• Idle Speed & Ignition Timing
• Summary