Section 124 (Engine Controls - Basic Diagnostic Procedures - 4-Cylinder)
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2003 Toyota Tacoma, 2003 Toyota RAV4, 2003 Toyota Prius, 2003 Toyota Matrix, and 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
- Service Precautions
- Programming
- Introduction
- Preliminary Inspection & Adjustments
- Fuel Systems
- Notes
- Fuel System Pressure Release
- Fuel Pressure
- Fuel Pump Operation
- Notes
- Checking Fuel Pump Operation Using Toyota Hand-Held Tester (Camry)
- Checking Fuel Pump Operation Using Toyota Hand-Held Tester (Camry Solara & Tacoma)
- Checking Fuel Pump Operation Using Toyota Hand-Held Tester (Celica, Corolla, ECHO, Highlander, MR2, Matrix, Prius & RAV4)
- Checking Fuel Pump Operation By Applying Battery Voltage To Fuel Pump (Camry)
- Checking Fuel Pump Operation By Applying Battery Voltage To Fuel Pump (Camry Solara, Celica, Corolla, ECHO, Highlander, Matrix, MR2, Prius, RAV4 & Tacoma)
- Fuel Pump Control Circuit
- Notes
- Circuit Opening Relay (Camry)
- Circuit Opening Relay (Camry Solara & Highlander)
- Circuit Opening Relay (Celica, ECHO & Prius)
- Circuit Opening Relay (Corolla & Matrix)
- Circuit Opening Relay (MR2)
- Circuit Opening Relay (RAV4)
- Circuit Opening Relay (Tacoma)
- EFI Main Relay (Camry & Camry Solara)
- EFI Main Relay (Celica)
- EFI Main Relay (Corolla & Matrix)
- EFI Main Relay (ECHO)
- EFI Main Relay (Highlander)
- EFI Main Relay (MR2)
- EFI Main Relay (Prius)
- EFI Main Relay (RAV4)
- EFI Main Relay (Tacoma)
- Ignition Systems
- Idle Speed & Ignition Timing
- Summary