Audi Q7 Owners & Service Manuals

Audi Q7: Description and Operation

Audi Q7 (4M) 2016-2025 Workshop Manual / Engine / Generic Scan Tool / Description and Operation

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 On Board Diagnostic Systems

On Board Diagnostics, or OBD, is an automotive term referring to a vehicle's self-diagnostic and reporting capability. OBD systems give the vehicle owner or repair technician access to the status o

 Electronic Throttle Control (ETC) System

The electronic throttle control (ETC) system consists of the accelerator-pedal module, the engine control module (ECM), and the electronic throttle body. The electronic throttle body mainly consist

 Ignition and Timing

Ignition A spark ignition (SI) engine requires a spark to initiate combustion in the combustion chamber. Voltage is supplied to the spark plug where the electricity will arc across a gap at a volta

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 Charging the 12 volt vehicle battery

Fig. 168 Engine compartment: connectors for a charger or jump start cables Observe the safety precautions > General information, in Battery general information . Requirement: only use chargers with a maximum charging current of 14.8 volts. The battery cables remain connected. The charging cabl

 Vehicle Electrical System, General Repair Information

  Caution When disconnecting and connecting battery, the procedure must be followed as described in the Repair Manual.   WARNING Some tools are supplied with a tool safety clip, which is slid over the tool points after using the tool, in order to protect other workers from injuries

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