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Engine Control Module Power Source Circuit: Echo

For engine control module power source circuit inspection, see Fig 1-Fig 4 .

Fig 1: Engine Control Module Power Source Circuit Description (ECHO)
G00227222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Engine Control Module Power Source Circuit Inspection - Steps 1-3 (ECHO)
G00227223Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Engine Control Module Power Source Circuit Inspection - Steps 4-6 (ECHO)
G00227224Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Identifying Engine Control Module Electrical Connector Terminals (ECHO)
G99D52392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002