Early Production (SBEC)

Test 1 - 2:

Test 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
- Good trip equal to zero
- (K42) knock sensor signal circuit shorted to voltage
- (K42) knock sensor signal circuit shorted to ground
- (K42) knock sensor signal circuit open
- (K42) knock sensor signal circuit shorted to knock sensor return circuit
- (K4) sensor ground circuit open
- Knock sensor
- PCM