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HOMESERVICE MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 99 (ENGINE CONTROLS (REMOVAL & INSTALLATION))COMPUTERIZED ENGINE CONTROLSFUEL PUMP ELECTRONIC CONTROL UNIT (ECU)REMOVAL & INSTALLATION (LX470)
2004 Toyota Celica GT, Standard

Removal & Installation (LX470)

2004 Toyota Celica GT, StandardSECTION Removal & Installation (LX470)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Fuel pump ECU is located behind inner panel, just behind driver's side rear wheelwell. See Fig 1. Remove necessary scuff plates and inner panel for access to fuel pump ECU. Disconnect electrical connector at fuel pump ECU. Remove bolts and fuel pump ECU. To install, reverse removal procedure.

Fig 1: Locating Fuel Pump ECU (LX470)
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.