Multec-S X 14 XE / X 16 XE (L)5 F2:TROUBLE CODE TABLE
| Trouble Code | Information Sensor Cause of Fault | Remedy in F0:DATA LIST No. | Trouble Code Storage when ... |
|---|---|---|---|
| 18 | KNOCK FILTER MODULE | 16 | · The control unit recognises a constant voltage condition from the knock module (cannot occur under normal operating conditions) |
· Above condition must be fulfilled for at least 4 s
Replacement value:
· RON 91 octane characteristic curve
Effects:
· Knock control is switched off
or
| · The control unit tests the knock module under certain operating conditions: |
The firing angles of cylinders 2 and 3 are advanced twenty times by 0.7 °CA each time. The knock module must recognise knock at least once.
· Following trouble codes not stored: 14, 15, 33, 34
· RON 91 octane characteristic curve not activated
· Engine speed lower than 5000 rpm
· Coolant temperature higher than 85 °C/ 185 °F but lower than 104 °C/ 219 °F
· Contents of long term correction for active knock cell is 0 °CA
· Intake manifold absolute pressure lower than 9.8 kPa (98 mbar)
· Above conditions must be fulfilled for at least 15 s
| Replacement value: |
· RON 91 octane characteristic curve
Effects:
· Knock control is switched off
Note:
If trouble code 18 was recognised, carry out following instructions:
· Disconnect battery;
· Connect battery again;
· Delete trouble code and read out trouble codes again;
· If trouble code 18 occurs: check that knock module is correctly seated in socket, if necessary replace knock module;
· Delete trouble code again and read out trouble codes;
· If trouble code 18 occurs again: replace control unit;