Work step: 5 Diagnostic test: Oxygen Sensor (O2S) aging (regulating frequency extended)
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.
Display will appear as shown
- Press -1-, -3- and -1- buttons to input display group 131.
- Press -Q- button to enter input.
Display will appear as shown (1 to 4 = display fields)
- Run engine at idle and check specifications.
DISPLAY GROUP: 131, FUNCTION: 04
| Display fields | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Display group: 103, Function: 04 | ||||
| Display | xxxx rpm | xxx.x V | xxxx ms. | xxxx xxxx |
| Indicated | Engine speed | - | HO2S aging | Diagnostic conditions |
| Specification | 650 to 750 rpm | - | -1200 to 1200 ms. | xxxx x100 |
| - | - | Delay time by O2S control | x = Not relevant | |
| Working range | 650 to 5500 rpm | 0.01 to 1.00 V | -1200 to 1200 ms. | |
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 |
| 1 | CYCLE Bit = Diagnosis completed | |||||||
| 0 | Diagnosis malfunction free | |||||||
| 0 | DTC memory malfunction free | |||||||
- Press -C- button.