Test conditions
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen GTI, 1998 Volkswagen Jetta, 1998 Volkswagen GTI, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- Bring vehicle to stationary position and let idle
Display will appear as shown (1 -4 = display fields)
- Check specifications after 30 seconds.
DISPLAY GROUP: 125, FUNCTION: 04
| Display fields | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Display group: 125, Function: 04 | ||||
| Display | xxxx rpm | x.x % | x.x % | xxxx xxxx |
| Indicated | Engine speed | O2S adaptation at partial load | O2S adaptation at idle | Diagnostic conditions |
| Specification | 650 to 750 rpm | -23 to 23 % | -12.4 to 12.4 % | 01x1 x100 |
| Working range | 650 to 5500 rpm | -23 to 23 % | -12.4 to 12.4 % | |
RELEVANCE OF 8 DIGIT NUMBER BLOCK IN DISPLAY FIELD 4
| Relevance of 8 digit number block in display field 4 | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Specifications of diagnostic conditions |
| 0 | Reduced correction range active | |||||||
| 1 | Partial load adaptation active | |||||||
| 1 | Oxygen sensor control before three way catalytic converter active | |||||||
| 1 | CYCLE Bit = Diagnosis completed | |||||||
| 0 | Diagnosis malfunction free | |||||||
| 0 | DTC memory malfunction free | |||||||
- Press -C- button.