Fuel Pump Resistance & Operation (Camry Gasoline Models, Camry Solara, Celica, Corolla, ECHO, Highlander, MR2, Prius, RAV4 & Tacoma)
Note. On Camry CNG models, fuel pump is not used.
| WARNING | On Prius, read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS . |
- On Camry gasoline models, Camry Solara, Celica, Corolla, ECHO and Prius, remove rear seat cushion, cover plate on floor panel and remaining necessary covers for access to electrical connector for fuel pump.
- On Highlander, remove driver's side and passenger's side rear seats and cover plate on floor panel for access to electrical connector for fuel pump.
- On MR2, remove luggage compartment lids, quarter trim covers, lower trim covers and luggage compartment boxes behind driver's and passenger's seats, and cover plate on floor panel for access to electrical connector for fuel pump. (Scheme 64) For additional information on removal of luggage compartment components, see FUEL PUMP under FUEL SYSTEMS in REMOVAL, OVERHAUL & INSTALLATION - 4-CYLINDER article.
- On RAV4, remove driver's side rear seat and cover plate on floor panel for access to electrical connector for fuel pump.
- On Tacoma, it may be necessary to lower fuel tank for access to electrical connector for fuel pump.
- On all models, disconnect electrical connector for fuel pump. This is electrical connector for fuel pump and fuel gauge sending unit and is located on top of fuel tank, near fuel pump.
- To test fuel pump resistance, using ohmmeter, check resistance between specified terminals on fuel pump electrical connector or fuel pump. (Scheme 55)- (Scheme 63). Replace fuel pump and/or lead wire (if equipped) if resistance is not.20-3.00 ohms at 68°F (20°C). On Prius, it may be necessary to replace fuel pump and fuel tank as an assembly. Consult local Toyota parts department for parts availability.
- To test fuel pump operation, apply battery voltage and ground to (+) and (-) terminals on electrical connector or fuel pump. (Scheme 55)- (Scheme 63). DO NOT apply battery voltage to fuel pump for more than 10 seconds. Replace fuel pump and/or lead wire (if equipped) if fuel pump fails to operate. On Prius, it may be necessary to replace fuel pump and fuel tank as an assembly. Consult local Toyota parts department for parts availability.
