P0328

P0328

Knock Sensor Bank 1 - Above Limit

Diagnostic conditions
- Engine at operating temperature
- Time after engine starts > 10 seconds
- Engine speed between 800 rpm and 1,200 rpm for detection of electrical faults
- Engine speed > 3,000 rpm for detection of an engine problem
- Knock control active (load over 30 %)

Possible cause of fault
- Short circuit to B+ in sensor wire
- Much too little engine oil
- Engine damaged mechanically
- DME control module faulty

Affected pins
DME control module connector B, pin 99, and knock sensor connector, bank 1, pin 2
DME control module connector B, pin 106, and knock sensor connector, bank 1, pin 1

Diagnosis/troubleshooting

NOTE:
- If the 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.