Motronic M 1.5.4 F2:TROUBLE CODE TABLE
| Trouble Code | Information Sensor Cause of Fault | Data List No. | Trouble Code Storage when |
|---|---|---|---|
| 57 | IDLE AIR CONTROL VOLTAGE LOW | 31, 33, 34 | · Final stage diagnosis in control unit (Short circuit to ground or circuit interruption) |
Replacement Value:
· No replacement value
Effect:
| The learn functions (oxygen sensor control, idle air control and knock control) are blocked and the last valid values are used for calculation. |