DTC 34: Knock Sensor
- Check Input Signal Circuit I
- Turn ignition off. Disconnect ECM harness connector and knock sensor sub-harness connector. Verify harness continuity between knock sensor sub-harness connector terminal "b" (White wire) and ECM terminal No. 23. See Figure
, 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 Input Signal Circuit II
- Disconnect knock sensor harness connector from sub-harness. Verify harness continuity between sub-harness terminal "c" and knock sensor harness connector terminal "f" (White wire). See Fig 3
. 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
.
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.