Audi A3 Component Locations
Position of Relays under instrument panel, left, from model year 2009
1 - Preheating Coolant, Low Heat Output Relay -J359-
Only models with auxiliary air heater
1 - Control Relay -J789-
Only models with engine code CEPA, CEPB
Applicable from model year 2011
2 - Power Supply Relay (terminal 50) -J682-
Only models without stop/start system
3 - Auxiliary Fuel Pump Relay -J832-
Connection 3.1
Only models with engine codes CBAA, CBAB, CBBB
Not applicable from model year 2010
Models, from model year 2010
3 - Starter Relay 1 -J906-
Connection 3.1
Applicable from model year 2010
Only models with stop/start system
3 - Headlamp Washer Relay -J39-
Connection 3.2
Not applicable from model year 2010
Models, from model year 2010
3 - Starter Relay 2 -J907-
Connection 3.2
Applicable from model year 2010
Only models with stop/start system
4 - Fuel Pump (FP) Relay -J17-
Connection 4.1
Only models with engine codes BSE, CCSA, BLS, BXE, CBBB, CBAB, CBAA, CAYB, CAYC, CBEA, CFFA, CFFB, CFGB, CLJA
Not applicable from model year 2010, models with engine codes BSE, BSF, CCSA, CMXA
Models with engine codes BUB, CBRA
4 - Fuel Pump (FP) 2 Relay -J49-
Connection 4.1
Only models with engine codes BUB, CBRA
Applicable from model year 2010, models with engine codes BSE, BSF, CCSA, CMXA
4 - Coolant Circulation Pump Relay -J151-
Connection 4.1
Only models with engine codes CDAA, CCZA, CAWB, CCTA, CBFA
Models with engine codes BUB, CBRA ⇒ page 4
4 - Fuel Pump (FP) 2 Relay -J49-
Connection 4.2
Only models with engine codes BSE, BSF, CCSA, CMXA or with auxiliary heater, engine codes BLS, BXE, CBBB, CBAB, CBAA, CAYB, CAYC, CFFA, CFFB, CFGB, CLJA
Not applicable from model year 2010, models with engine codes BSE, BSF, CCSA, CMXA
4 - Fuel Pump (FP) Relay -J17-
Connection 4.2
Applicable from model year 2010, models with engine codes BSE, BSF, CCSA, CMXA
4 - Engine Component Power Supply Relay -J757-
Connection 4.2
Only models with engine code CBFA
5 - Preheating Coolant, High Heat Output Relay -J360-
Only models with auxiliary air heater
Not applicable from model year 2010
Models, from model year 2010
5 - Automatic Day/Night Interior Mirror Relay -J910-
Connection 5.1
Applicable from model year 2010
5 - Auxiliary Fuel Pump Relay -J832-
Connection 5.2
Only models with engine codes CBAA, CBAB, CBBB, CBEA, CFFA, CFFB, CFGB, CLJA
Applicable from model year 2010
