Motronic M 1.5.4 F2:TROUBLE CODE TABLE
| Trouble Code | Information Sensor Cause of Fault | Data List No. | Trouble Code Storage when |
|---|---|---|---|
| 38 | 02 SENSOR CIRCUIT VOLTAGE LOW | 35, 36, 39, 40, 41 | · Oxygen sensor voltage less than 93 mV (Short circuit to ground) |
· Above condition must be fulfilled for at least 2.5 s
Release conditions to store trouble code:
The trouble code is stored and the replacement value is called up, if the following conditions are fulfilled consecutively:
1.) Coolant temperature greater than 70 °C (158 °F);
2.) Condition 1.) fulfilled for 3 min;
3.) Load signal greater than 3.5 ms;
4.) After conditions 1.) to 3.) are fulfilled, waiting period of 5.1 s elapsed;
5.) Following trouble codes not recognised: 73, 74;
Replacement value:
| · 550 mV (oxygen sensor control is switched off) |