Audi Workshop Service and Repair Manuals

Notes:

• ◆ The signal generated by engine speed sender -G28 is processed by the engine control unit and transmitted via contact 37 (on the engine control unit) to various electronic systems, e.g. the air conditioner control unit and ABS/EDL control unit. These systems monitor the engine speed signal and the wiring.
• ◆ Testing engine speed signal:

=> Current flow diagrams, Electrical fault finding and Fitting locations