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EFI Main Relay <--> [Main Relay (Computer/Fuel System)] > < Component Tests and General Diagnostics|Page 57

Van Wagon 2WD L4-2237cc 2.2L (4Y-EC) (1987)

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2. INSPECT RESISTANCE OF ECU.

CAUTION:
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Do not touch the ECU terminals.

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The tester probe should be inserted into the wiring connector from the wiring side.

Check the resistance between each terminal of the wiring connector.
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Disconnect the ECU wiring connectors.

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Measure the resistance between each terminal of the wiring connectors.

EFI Main Relay <--> [Main Relay (Computer/Fuel System)] > < Component Tests and General Diagnostics|Page 57