DTC 34: Knock Sensor
- Check Input Signal Circuit
- Turn ignition off. Disconnect ECM. Disconnect engine harness No. 2 connector. See Fig 1
. Check continuity between engine harness No. 2 connector terminal "g" (White wire) and ECM terminal No. 27. See Figure
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 SYSTEM/COMPONENT TESTS
article in the ENGINE PERFORMANCE section. Replace knock sensor if necessary and perform FINAL CHECK
in this article. If knock sensor is okay, repair ECM pin terminals and/or wiring harness connector.
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.