ECM Power Source Circuit (Ex Calif W/Immobiliser and/or Trac.)

ECM Power Source Circuit (Except California Spec, W/Engine Immobilizer and/or TRAC.)

CIRCUIT DESCRIPTION
When the ignition switch is turned ON, battery positive voltage is applied to the coil, closing the contacts of the EFI main relay (Marking: EFI) and supplying power to terminal +B of the ECM.

DETECTING CONDITIONS





WIRING DIAGRAM

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INSPECTION PROCEDURE