Audi Workshop Service and Repair Manuals

Electrical/electronic components and fitting locations

1 -	Control unit for automatic gearbox -J217-

q	Fitting location → Fig.

q	Control unit is checked by self-diagnosis

q	Removing and installing → Chapter

2 -	Hydraulic control unit

q	Fitting location → Fig.

q	Valves are checked via self-diagnosis.

q	Removing and installing → Chapter

3 -	Selector mechanism cover

q	Removing and installing → Chapter

4 -	tiptronic switch -F189-

q	Fitting location: integrated in printed circuit located in selector mechanism cover

q	Consists of 3 Hall sensors actuated by a magnet on the transverse slide of the sliding cover.

q	If malfunctions occur in the tiptronic switch -F189-, first check that the magnet on the transverse slide of the sliding cover is secured properly. If necessary, renew sliding cover. The printed circuit should only be renewed after the wiring has been checked.

q	Removing and installing → Chapter

5 -	Selector lever lock solenoid -N110-

q	Fitting location → Fig.

q	Removing and installing → Chapter

6 -	Diagnostic connector

q	Fitting location → Fig.

7 -	Cruise control system switch -E45-

q	Fitting location → Fig.

q	Removing and installing → Rep. Gr.94

8 -	Starter inhibitor relay -J207-

q	Fitting location → Fig.

9 -	Voltage supply relay, terminal 30 -J317-

q	Fitting location → Fig.

10 -	Selector lever position display -Y6-

q	Fitting location → Fig.

q	A fully illuminated gear selection indicator indicates a simple fault

q	A flashing gear selection indicator indicates a critical fault

q	A blank display indicates defective wiring or a defective selector lever position display -Y6-.

11 -	Kick-down switch -F8-

q	Not fitted as a separate component: on vehicles with petrol engine this function is performed by accelerator pedal position sender -G79- and accelerator pedal position sender 2 -G185-. The two senders are integrated in the accelerator pedal module; fitting location → Fig.

q	On vehicles with diesel engine the kick-down switch is incorporated in accelerator pedal position sender -G79- located in accelerator pedal module; fitting location → Fig.

q	Signal recognition in engine control unit, signal transmission from engine control unit to gearbox control unit via CAN bus

q	Removing and installing accelerator pedal module → Rep. Gr.20

12 -	Brake light switch -F-

q	Fitting location → Fig.

q	Signal recognition in engine control unit, signal transmission from engine control unit to gearbox control unit via CAN bus

q	Removing and installing → Brake system; Rep. Gr.46

Control unit for automatic gearbox -J217- t  Fitting location: automatic gearbox control unit -J217- is fitted at rear end of gearbox directly on hydraulic control unit. The following components are integrated into the control unit: A -  Gearbox output speed sender -G195- and gearbox output speed sender 2 -G196- B -  Gearbox oil temperature sender -G93- C -  Multi-function switch -F125- D -  Gearbox input speed sender -G182- E -  Hydraulic pressure sender 1 for automatic gearbox -G193- F -  Hydraulic pressure sender 2 for automatic gearbox -G194- Removing and installing automatic gearbox control unit -J217- → Chapter.

Hydraulic control unit t  Fitting location: The hydraulic control unit is bolted to rear end of gearbox. The automatic gearbox control unit -J217- is fitted directly onto the hydraulic control unit. A -  Connector for automatic gearbox pressure control valve 1 -N215- B -  Connector for automatic gearbox pressure control valve 2 -N216- C -  Connector for solenoid valve 1 -N88- Removing and installing hydraulic control unit → Chapter. The following valves are integrated into the hydraulic control unit (not shown in illustration): t  Automatic gearbox pressure control valve 1 -N215- (clutch solenoid valve) t  Automatic gearbox pressure control valve 2 -N216- (solenoid valve for transmission ratio) t  Solenoid valve 1 -N88- (clutch cooling/safety shut-off). t  Clutch cooling valve t  Minimum-pressure valve t  Pressure limiting valve t  Clutch control valve t  Control-pressure valve   Note t  The valves are monitored via self-diagnosis. t  Description and function of the individual valves → No.228. Removing and installing hydraulic control unit → Chapter

Selector lever lock solenoid -N110- t  Fitting location: the selector lever lock solenoid -N110--item 1- is clipped onto the front of the selector mechanism. Removing and installing selector lever lock solenoid -N110- → Chapter

Diagnostic connector t  Fitting location: the diagnostic connector is located at the bottom of the dash panel (driver's side).

Cruise control system switch -E45- t  Fitting location: cruise control switch is located on steering column switch.

Selector lever position display -Y6- t  Fitting location: selector lever position indicator -Y6- is integrated in the instrument cluster.   Note t  If all the characters in the display light up together, this indicates a simple fault. t  A flashing display indicates a critical fault. t  A blank display indicates defective wiring or a defective selector lever position indicator -Y6-. t  If the selector lever position display -Y6- is defective, renew the instrument cluster → Rep. Gr.90.

Terminal 30 voltage supply relay -J317- / starter inhibitor relay -J207- t  Fitting location: on relay carrier in electronics box in plenum chamber 3 -  Terminal 30 voltage supply relay -J317- (voltage supply via terminal 87) 4 -  Starter inhibitor relay -J207-

Brake light switch -F- t  Fitting location: the brake light switch -arrow- is located on pedal cluster.   Note To ensure a secure fit, the switch may only be fitted once.

Kick-down switch -F8- t  Fitting location: integrated in accelerator pedal module -arrow-   Note t  On vehicles with petrol engine, accelerator position sender -G79- and accelerator position sender 2 -G185- perform the function of the kickdown switch -F8-. t  On vehicles with diesel engine the kick-down switch -F8- is incorporated in accelerator position sender -G79-. t  Renew the accelerator pedal module if the accelerator position sender is defective → Rep. Gr.20.