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Home >> Lexus >> 1996 >> LX 450 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Circuit Tests >> DTC P1605 - Knock Control CPU Malfunction >> Diagnosis & Repair

Diagnosis & Repair

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

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