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Home >> Lexus >> 1995 >> LS 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - OBD-II >> Diagnostic Testing >> Codes P1605: Knock Control ECM Malfunction >> Diagnosis & Repair

Diagnosis & Repair

If only Code P1605 is displayed, replace ECM and retest. If other codes are displayed, diagnose and repair those codes first and retest.