P0325
Tests 1 - 2:
Tests 3 - 7:
Test 8:
SYMPTOM
P0325 - KNOCK SENSOR # 1 CIRCUIT
WHEN MONITORED
With the ignition ON and the engine running.
SET CONDITION
The knock sensor circuit voltage falls below a minimum value at idle or deceleration. The minimum value is from a look-up table internal to the PCM and is based on engine rpm. DTC also sets if sensor output goes above 5.0 volts.
POSSIBLE CAUSES
- Wiring harness intermittent problem
- Knock sensor return open
- Knock sensor signal open
- Knock sensor signal shorted to ground
- Knock sensor signal shorted to sensor ground
- Knock sensor signal shorted to voltage
- PCM