Table 2, Multec-S (C 16 XE) F2: TROUBLE CODE
Trouble
| Code | Information Sensor | ||
|---|---|---|---|
| Cause of Fault | Remedy in F0: | ||
| DATA LIST | Trouble Code Storage when... | ||
| 16 | KNOCK SIGNAL CIRCUIT | 30 | · The knock sensor voltage is measured by the control unit via an internal evaluating logic. In this way, faults are recognized over an extended period of time |
· Knock sensor signal (noise level) less than 1.48 V
· Knock sensor signal (noise level) greater than 3.47 V
· The above conditions must be satisfied for at least 4 s
If trouble code 16 has been recognized, RON 91 is selected as a replacement value for the octane number. It ensures (by ignition retard) that the engine is protected from knocking combustion.