Condition for fault identification

Test condition:

The fault is recognized when the leak diagnosis pump's current fails to reach a specified limit within a time window defined in the program map.

Potential problem source(s):

• Defective wiring harness
• DMTL defective

Terminal condition: none

Voltage condition:

• Onboard electrical system voltage between 9 V and 16 V

Temperature condition:

• Ambient temperature between 3.8 °C and 35.3 °C

Time condition:

• 10 min. in shutdown phase

Other conditions:

1. Cold start (engine temperature max. 6 °C above ambient temperature)
2. Then drive at least 600 sec.
3. Remain stationary for at least 30 sec. at idle
4. Drive over 45 km/h for at least 300 sec. (total)
5. Fuel level between 15% and 85% of maximum tank capacity
6. Then switch off engine, Terminal 15 off
7. Wait roughly 10 min. until diagnostic routine is completed