Matrix XRS 2WD L4-1.8L (2ZZ-GE) (2003)
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Engine Control Module: Component Tests and General Diagnostics
CIRCUIT DESCRIPTION
When the ignition switch is turned ON, battery positive voltage is applied to the coil which closes the contacts of the E.F.I. relay (Marking: E.F I.) and
supplies power to the terminal +B of the ECM.
Wiring Diagram