- E 87 - air conditioner control unit and indicator panel
- G 39 - lambda probe 1
- G 108 - lambda probe 2
- J 17 - fuel pump relay
- J 220 - Motoronic control unit
- N 80 - electromagnetic valve 1 of the activated carbon tank device
- S 229 - fuse in holder
- S 234 - fuse in holder
- T 4 and - plug connection, 4-pin, black, for lambda probe 1
- T 4 v - plug connection, 4-pin, black, for lambda probe 2
- T 61 - plug connection, 6-pin, red, connecting clamp for E-Box water tank
- T 10 n - plug connection, 10-pin, yellow, connecting clamp for water tank E-Box
- T 10 o - plug connection, 10-pin, brown, connecting clamp for water tank E-Box
- Z 19 - heating (heating) of lambda probe 1
- Z 28 - heating (heating) of lambda probe 2
- 85 - connection to the body ("ground") "1", in the wiring harness of the engine compartment
- 200 - connection to the body ("ground") (shielding), in the engine compartment wiring harness
- A68 - connection (C15, air conditioning), in the instrument cluster wiring harness
- D23 - connection (via fuse 229)
* - cars with air conditioning
** - cars with an engine capacity of 2.8 liters, front-wheel drive
*** - cars with an engine capacity of 2.5 l, 2.8 l, front-wheel drive and with a manual transmission
[The original article is posted on the resource «AudiManual.ru»]