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Home >> Toyota >> 1990 >> Corolla Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> EFI Main Relay Test

EFI Main Relay Test

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To test EFI main relay, see Fig 1. The main EFI relay is located in the relay bank, on the left side of the fenderwell. Replace relay if defective.

Fig 1: Testing EFI Main Relay
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