Engine Controls - Basic Diagnostic Procedures
- Introduction
- Preliminary Inspection & Adjustments
- Fuel System
- Notes
- Fuel Pump Operation
- Notes
- Checking Fuel Pump Operation Using Scan Tool (ES300 & RX300)
- Checking Fuel Pump Operation Using Scan Tool (GS300, GS400, SC300 & SC400)
- Checking Fuel Pump Operation Using Scan Tool (LS400)
- Checking Fuel Pump Operation Using Scan Tool (LX470)
- Checking Fuel Pump Operation By Applying Battery Voltage To Fuel Pump
- Fuel Pressure Release
- Fuel Pressure
- Fuel Pump Control Circuit
- Notes
- Circuit Opening Relay (ES300 & RX300)
- Circuit Opening Relay (LS400)
- EFI Main Relay (ES300 & RX300)
- EFI Main Relay (GS300 & GS400)
- EFI Main Relay (LS400)
- EFI Main Relay (LX470)
- EFI Main Relay (SC300 & SC400)
- Fuel Pump Electronic Control Unit (ECU) - (GS300 & GS400)
- Fuel Pump Electronic Control Unit (ECU) - (SC300 & SC400)
- Fuel Pump Electronic Control Unit (ECU) & Fuel Pump Switch (LX470)
- Fuel Pump Relay & Fuel Pump Resistor (LS400)
- Ignition Checks
- Idle Speed & Ignition Timing
- Summary