Audi Workshop Service and Repair Manuals

Electrical/electronic components and fitting locations

1 -	Automatic gearbox control unit -J217-

q	Fitting location → Fig.

q	Removing and installing → Chapter

q	Checked via self-diagnosis → Chapter

q	Control unit transmits and receives data via CAN bus → Chapter

2 -	Engine control unit

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.23 or → Rep. gr.24

q	Control unit transmits and receives data via CAN bus → Chapter

q	If engine or gearbox control unit is renewed, system must be reset to basic setting → Chapter

3 -	Dash panel insert with data bus diagnostic interface -J533-

q	With selector lever position display

q	Control unit transmits and receives data via CAN bus → Chapter

4 -	16-pin connector -T16- (diagnostic connection)

q	Fitting location → Fig.

5 -	Multifunction switch -F125-

q	Removing and installing, adjusting → Rep. gr.38

q	Checked via self-diagnosis

6 -	Intermediate shaft speed sender -G265-

q	Fitting location: in gearbox

q	Picks up signal on spur gear A

q	Checked via self-diagnosis

7 -	Vehicle speed sender -G68-

q	Fitting location: in gearbox

q	Picks up gearbox output speed (road speed)

q	Checked via self-diagnosis

8 -	Gearbox input speed sender -G182-

q	Fitting location: in gearbox

q	Picks up gearbox input speed (turbine shaft)

q	Checked via self-diagnosis

9 -	Valve body

q	Fitting location: in gearbox → Rep. gr.38

q	Following components are attached to valve body:

t	Solenoid valve 1 -N88-

t	Solenoid valve 2 -N89-

t	Solenoid valve 3 -N90-

t	Solenoid valve 4 -N91-

t	Solenoid valve 5 -N92-

t	Solenoid valve 6 -N93-

t	Solenoid valve 8 -N281-

t	Solenoid valve 10 -N283-

q	All components are checked via self-diagnosis

10 -	Gearbox oil temperature sender (ATF) -G93-

q	Fitting location: in gearbox

11 -	Selector lever lock solenoid -N110-

q	Fitting location, removing and installing → Rep. gr.37

q	Checked via self-diagnosis

q	Can be checked by measured values → Chapter and in electrical check → Chapter

12 -	Brake pressure switch -F270-

q	Fitting location: switch is located on bulkhead in brake pipe to front wheel (right-side)

q	Signal can be tested by measured values → Chapter

13 -	Brake light switch -F-

q	Fitting location → Fig.

q	Removing and installing → Brake system; Rep. gr.45

q	Can be checked by measured values → Chapter and in electrical check → Chapter

14 -	Starter inhibitor and reversing light relay -J226-

q	Fitting location: In central electrics → Current flow diagrams, Electrical fault finding and Fitting locations

Fitting location of engine control unit t  In plenum chamber t  If the engine control unit is renewed, the kickdown function must be re-adapted → Rep. gr.20.

Fitting location of automatic gearbox control unit -J217- t  In plenum chamber (centre/right)

Fitting location of 16-pin connector -T16- (diagnostic connection) t  In front knee bolster (left-side)

Fitting location of brake light switch -F- t  On pedal cluster

Fitting location of tiptronic switch -F189- t  Integrated in printed circuit of symbol panel in selector mechanism cover t  If the switch malfunctions, the symbol panel with printed circuit must be renewed → Rep. gr.37. t  Can be checked by measured values → Chapter and in electrical check → Chapter.

Fitting location of kickdown switch -F8-   Note A specific value for the accelerator position sender -G79- and (if fitted) the accelerator position sender 2 -G185- is stored in the engine control unit. t  Fitting location: the accelerator position sender(s) are integrated in the accelerator pedal module -arrow-. t  Removing and installing, adaption → Rep. gr.20 t  Can be checked by measured values → Chapter and in electrical check → Chapter.