Test sequence: Notes
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- Connect VAG1551 scan tool (VAG1552). Start engine and select "Address word" 01 of engine control module. Engine must be running at idling speed. (Connecting scan tool and selecting engine control module → VAG1551 scan tool, connecting and selecting engine control module .)
Indicated on display:
| Rapid data transfer HELP Select function XX |
- Press keys 0 and 8 for function "Read measured value block" and confirm entry with Q key.
Indicated on display:
| Read measured value block Input display group number XXX |
- Press keys 0 , 1 and 4 for "Display group number 14" and confirm entry with Q key.
Indicated on display: (1 to 4 = Display zones)
| Read measured value block 14 → 1 2 3 4 |
- Check total number of misfires in display zone 3.
- Check misfire recognition status in display zone 4.
| Display zones | ||||
| 1 | 2 | 3 | 4 | |
| Display group 14: Ignition, misfire recognition (while driving) | ||||
| Display | xxxx rpm | xxx.x% | xxx | Activated Blocked |
| Indicated | Engine speed (in 40 steps) | Engine load | Exhaust damaging misfires (Total) | Misfire recognition status |
| Specification | 640 to 6500 rpm | > 10.0% | 0 | activated |
| --- | --- | If the specification is not obtained: Evaluating display group 14, display zone 3 - total number of exhaust damaging misfires , Evaluating display group 14 | ||
If specifications are obtained:
- Press → key.
- Press keys 0 and 6 for "End output" function and confirm input with Q key.
- Switch ignition off.
If specifications are not attained:
- Change to display group 15 as follows:
- Press key 3 (VAG1551) or key ↑ (VAG 1552).
Indicated on display: (1 to 4 = Display zones)
| Read measured value block 15 → 1 2 3 4 |
- Check misfiring in display zones 1 to 3.
- Check misfire recognition status in display zone 4.
| Display zones | ||||
| 1 | 2 | 3 | 4 | |
| Display group 15: Ignition, misfire recognition (while driving) | ||||
| Display | xxx | xxx | xxx | Activated Blocked |
| Indicated | Exhaust damaging misfires Cyl. 1 | Exhaust damaging misfires Cyl. 2 | Exhaust damaging misfires Cyl. 3 | Misfire recognition status |
| Specification | 0 | 0 | 0 | activated |
| If the specification is not obtained Evaluating display group 14, display zone 3 - Total number of misfires , Evaluating display groups 15 and16 | ||||
If specifications are obtained:
- Change to display group 16 as follows:
- Press key 3 (VAG1551) or key ↑ (VAG 1552).
Indicated on display: (1 and 4 = Display zones)
| Read measured value block 16 → 1 4 |
- Check misfiring in display zones 1 to 3.
- Check misfire recognition status in display zone 4.
| Display zones | ||||
| 1 | 2 | 3 | 4 | |
| Display group 16: Ignition, misfire recognition (while driving) | ||||
| Display | xxx | activated deactivated | ||
| Indication | Emissions damaging misfire cyl. 4 | Status of misfire recognition | ||
| Specification | 0 | activated | ||
| If the specification is not obtained Evaluating display group 14, display zone 3 - Total number of misfires , Evaluating display groups 15 and16 | ||||
- Press → key.
- Press keys 0 and 6 for "End output" function and confirm input with Q key.
- Switch ignition off.