Monday, September 2, 2019

2A00 - P0492

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction



none









2A00 - P0492 (DME)



2A00 - P0492







Information saved in



DME









Fault code



2A00 - P0492









Fault text



Secondary-air system









Fault description



Secondary Air Injection System Insufficient Flow (Bank 2)









Condition for fault identification



Test condition:





Activation conditions:





Engine start



Secondary air-injection must be active



Ambient temperature >3 锟斤拷C



-3.8 锟斤拷C < Coolant temperature < 50.3 锟斤拷C Terminal condition: Terminal 15, engine start Voltage condition:





Vehicle electrical system voltage (battery voltage between 7 & 15 V)









Condition for fault memory entry



40 sec.









Action in service



Remove secondary air-injection valve and clean the passage to Bank 2 (in engine block)



Install valve again and run through EOL test. If the malfunction is registered again, repeat steps 1 and 2.







Fault effect and breakdown warning







Driver information Warning light: MIL

No comments:

Post a Comment