1 | Fault code | front right rear right front left rear left |
2 | Fault memory and actuation of CHECK ENGINE (MIL) | After two consecutive journeys with fault |
3 | Frequency of testing | Continuous |
4 | Checked signal or status | Knock sensor signal (comparison value calculated in engine control module (ME-SFI)) |
5 | Lower limit value Upper limit value | approx. 0.19 V approx. 4.98 V |
6 | Test conditions | – Engine at operating temperature – Engine speed > 3600 rpm – Load > 40 % – Knock control inactive |
7 | | In the event of a fault, safety ignition retarding takes place in all cylinders |