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Power & Ground Circuits

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Toyota Tacoma, 2002 Toyota RAV4, 2002 Toyota Prius, 2002 Toyota MR2, and 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

For testing of Engine Control Module (ECM) power and ground circuits, see ENGINE CONTROL MODULE POWER SOURCE CIRCUIT . Also see PIN VOLTAGE CHARTS article. For illustration of ECM location, see THEORY & OPERATION article. For identification of ECM electrical connector terminals. See Fig 1-Fig 11 .

Fig 1: Identifying Engine Control Module Electrical Connector Terminals (Camry)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Identifying Engine Control Module Electrical Connector Terminals (Camry Solara)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Identifying Engine Control Module Electrical Connector Terminals (Celica)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Identifying Engine Control Module Electrical Connector Terminals (Corolla With 3-Speed A/T Or M/T)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 5: Identifying Engine Control Module Electrical Connector Terminals (Corolla With 4-Speed A/T)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Identifying Engine Control Module Electrical Connector Terminals (ECHO)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 7: Identifying Engine Control Module Electrical Connector Terminals (Highlander)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 8: Identifying Engine Control Module Electrical Connector Terminals (MR2)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 9: Identifying Engine Control Module Electrical Connector Terminals (Prius)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 10: Identifying Engine Control Module Electrical Connector Terminals (RAV4)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 11: Identifying Engine Control Module Electrical Connector Terminals (Tacoma)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002