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Home >> Toyota >> 1984 >> Celica Supra Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> TCCS Engine Control System >> Testing >> Recalling Trouble Codes >> Exiting Diagnostic Mode
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Exiting Diagnostic Mode

To exit diagnostic mode, remove voltmeter and adapter harness from "EFI" service connector. Remove jumper wire from "CHECK ENGINE" connector. Turn ignition off. Replace rubber caps over connectors.