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Home >> Mazda >> 1993 >> RX-7 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Clearing Codes >> Clearing Trouble Codes

Clearing Trouble Codes

Disconnect negative battery cable, and depress brake pedal for at least 20 seconds. Reconnect battery cable. Reconnect self-diagnostic checker and system selector. See Figure. Turn ignition on, but DO NOT start engine for 6 seconds. Start and run engine at 2000 RPM for 3 minutes. Verify no codes are displayed.

NOTE: See PIN VOLTAGE CHARTS article to identify ECU connector terminals.
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