Ecu Power Source Circuit

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For ECU power source circuit testing procedure, see Fig 1 and Fig 2 . For terminal voltages, see Fig 3 and Fig 4 . For resistance values, see Figure.

Fig 1: Testing ECU Power Source Circuit (1 Of 2)

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Fig 2: Testing ECU Power Source Circuit (2 Of 2)

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Fig 3: Identifying ECU Terminal Voltages (1 Of 2)

Fig 4: Identifying ECU Terminal Voltages (2 Of 2)