toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 2273 > < Component Tests and General Diagnostics
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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 (Making: EFI) and
supplying power to the terminal +B of the ECM.

WIRING DIAGRAM

Step 1

Component Tests and General Diagnostics|Page 2273 > < Component Tests and General Diagnostics