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Home >> Lexus >> 1997 >> LS 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Circuit Tests >> DTCS P1605: Knock Control ECM Malfunction >> Circuit Description

Circuit Description

Knock sensors are located on either side of cylinder block. Sensor generates voltage when engine block vibrates due to knocking. DTC is set if there is a ECM malfunction for knock control. Possible cause is:

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