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Home >> Acura >> 2013 >> TL Base >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics -- TL >> DTC P1658: Electronic Throttle Control System (ETCS) Control Relay ON Malfunction >> Malfunction Threshold
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Malfunction Threshold

The communication signal is input from the ECM/PCM for at least 2.0 seconds after the ETCS control relay is turned off.