DTC 34: Knock Sensor
- Check Input Signal Circuit - Turn ignition off. Disconnect ECM harness connector and knock sensor harness connector. Verify harness continuity between knock sensor connector terminal "b" (White wire) and ECM terminal No. 27. See Figure , Fig 1 and Fig 2 . If continuity is present, go to next step. If continuity is not present, repair harness or connectors as necessary.
- Check Component - Inspect knock sensor. See I - SYS/COMP TESTS article in the ENGINE PERFORMANCE Section. Replace knock sensor if necessary and perform FINAL CHECK .