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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System Diagnosis (2 Of 2) (HEV)) >> DTC P1326-00: Knock Signal Range/Performance >> Component Inspection >> Check Knock sensor

Check Knock sensor

WARNING: This page is about a different variant/trim than selected.
  1. Substitute with a known - good Knock sensor and check for proper operation.
  2. Is the signal normal?

    YES 

    • Replace Knock sensor and go to "VERIFICATION OF VEHICLE REPAIR" procedure.

    NO 

    • Many malfunctions in the electrical system are caused by poor harness(es) and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage. So, check poor connections and the related circuit between ECM and component thoroughly. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR" procedure.
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