Knock Sensor 1 Below Limit

P0327 - KNOCK SENSOR 1 BELOW LIMIT

Diagnosis conditions
- Engine speed more than 3600 rpm
- Engine load greater than 45%

Possible fault cause
- Break in wiring or short to ground
- Contact corrosion on the connector
- Knock sensor loose
- Short circuit to B+
- Knock sensor

NOTE:
- When a fault is stored, the ignition angle is retarded for all cylinders in the range in which knock control is active.
- Knock control adaptation is inactive.
- If knock control becomes active here, this may indicate engine damage (increased noise level)

Affected terminals
- Terminal III/49 and III/50

Diagnosis/Troubleshooting

Steps 1 - 6: