Wiring Diagram AUDI A3 2010 - Heating element for engine preheating

| T1e | Single connector |
| T2bv | 2-pin connector |
| U8 | 230 V external socket, 220 V, 110 V |
| Z97 | Heating element for engine preheating |
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AUDI A3 2010 Overview of earth points in front part of vehicle
Overview of earth points in front part of vehicle |
| q | is dropped, from model year 2005 |
| q | is dropped, from model year 2005 |
| 4 - | Earth point 4, on front of left longitudinal member -674- |
| q | applicable from model year 2005 |
| q | is dropped from model year 2009 |
| q | is dropped, from model year 2005 |
| 5 - | Earth point, on left headlight -655- |
| q | applicable from model year 2005 |
| 7 - | Earth point 1, on front of left longitudinal member -671- |
| q | is dropped from model year 2009 |
| q | is dropped from model year 2009 |
| q | Only right-hand drive models |
| Overview of earth points in interior of vehicle |
| 5 - | Earth point (audio), under centre console, front -610- |
| 8 - | Earth point, airbag control unit -637- |
| q | is dropped, from model year 2005 |
| Overview of earth points in rear part of vehicle (3-door models) |
| q | for 5-door models ⇒ page Item |
| q | for 5-door models ⇒ page Item |
| q | for 5-door models ⇒ page Item |
| q | for 5-door models ⇒ page Item |
| Overview of earth points in rear part of vehicle (5-door models) |
| 607 | Earth point, on left in plenum chamber, windscreen wiper motor --Arrow-- | | |
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| 609 | Earth point, on right in plenum chamber, near air quality sensor --Arrow-- | | is dropped, from model year 2005 | | |
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| 656 | Earth point, on right headlight --Arrow-- | | is dropped from model year 2009 | | |
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| 673 | Earth point 3, on front of left longitudinal member --Arrow-- | | is dropped from model year 2009 | | |
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| 671 | Earth point 1, on front of left longitudinal member -Arrow A- |
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| 674 | Earth point 4 on front of left longitudinal member -Arrow B- | | applicable from model year 2005 | | is dropped from model year 2009 |
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| 674 | Earth point 4 on front of left longitudinal member -Arrow C- | | is dropped, from model year 2005 | | |
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| 615 | Earth point, on left suspension strut --Arrow-- | | 43 | Earth point, lower part of right A-pillar -Arrow A- |
| | 44 | Earth point, lower part of left A-pillar -Arrow A- |
| | 610 | Earth point (audio), front under centre console -Arrow A- |
| | 662 | Earth point, rear left side panel --Arrow-- | | Earth point, in luggage compartment | | |
| | 51 | Earth point, on right in luggage compartment --Arrow-- | | |
| | 53 | Earth point, on right in rear lid --Arrow-- | | |
| | 61 | Earth point, left C-pillar --Arrow-- | | |
| | 62 | Earth point, right C-pillar --Arrow-- | | |
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