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Diagnosis Procedure
1.CHECK KNOCK SENSOR 2 GROUND CIRCUIT
  1. Turn ignition switch OFF.
  2. Disconnect knock sensor 2 harness connector.
  3. Disconnect ECM harness connector.
  4. Check the continuity between knock sensor 2 harness connector and ECM harness connector.
    Knock sensor 2ECMContinuity
    ConnectorTerminalConnectorTerminal
    F62F5153Existed
  5. Also check harness for short to ground and short to power.
Is the inspection result normal?
.
Repair or replace malfunctioning part.
 
2.CHECK KNOCK SENSOR 2 INPUT SIGNAL CIRCUIT
  1. Check the continuity between knock sensor 2 harness connector and ECM harness connector.
    Knock sensor 2ECMContinuity
    ConnectorTerminalConnectorTerminal
    F61F5151Existed
  2. Also check harness for short to ground and short to power.
Is the inspection result normal?
.
Repair or replace malfunctioning part.
 
3.CHECK KNOCK SENSOR 2
Refer to Component Inspection.
Is the inspection result normal?
INSPECTION END
Replace knock sensor 2. Refer to Exploded View.