Possible Causes
WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes are:
- Both CKP sensor wires are shorted each other
- CKP sensor is dirty.
- CKP sensor malfunction
- CKP sensor pulse wheel malfunction
- Connector or terminal malfunction
- Open circuit between CKP sensor 2-pin harness connector terminal "A" to PCM 30-pin harness connector terminal "2D" (Blue wire)
- Open circuit between CKP sensor harness connector terminal "B" to PCM 30-pin harness connector terminal "2G" (Green wire)
- Short to ground between CKP sensor harness connector terminal "A" to PCM 30-pin harness connector terminal "2D" (Blue wire)
- Short to ground between CKP sensor harness connector terminal "B" to PCM 30-pin harness connector terminal "2G" (Green wire)
- Short to power between CKP sensor harness connector terminal "A" to PCM 30-pin harness connector terminal "2D" (Blue wire)
- Short to power between CKP sensor harness connector terminal "B" to PCM 30-pin harness connector terminal "2G" (Green wire)