EVAP system, checking for leaks: Notes

Special tools, testers and auxiliary items required 

• Fault Read Out Device V.A.G 1551 or Vehicle Diagnosis, Testing and Information System VAS 5051

Test conditions 

Fig 1: Identifying Main Fuse Panel

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• Fuse no. 43 must be OK.
• No DTCs in DTC memory.
• All electrical consumers such as, e.g. lights and rear window heater, must be switched off
• If vehicle is equipped with an A/C system, it must be switched off.

• Throttle valve angle less than 10 ° → Display group 03, display field 3.
• Coolant temperature less than 99 ° C → Display group 04, display field 3.
• Intake air temperature less than 95 ° C → Display group 04, display field 4