Toyota 1 MZ–FE Manual page 565

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EG2–565
1MZ–FE ENGINE
CIRCUIT INSPECTION
ECM Power Source Circuit
CIRCUIT DESCRIPTION
When the ignition switch is turned ON, battery voltage is applied to the coil, closing the contacts of the
EFI main relay and supplying power to the terminals + B and + B1 of the ECM.
WIRING DIAGRAM

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