Audi A4: Battery, Starter, Generator, Cruise Control
Audi A4 (B9) 2016-2026 Service Manual / Electrical System / Electrical Equipment General Information / Battery, Starter, Generator, Cruise Control
- Battery
- Test Sequence
- Visual Inspection
- Battery Tester -VAS6161-
- Battery Tester with Printer -VAS5097A-
- Current Draw Test
- Battery Charger -VAS5095A-
- Battery Charger -VAS5900-
- Battery Charger -VAS5900- Service Charge
- Battery Charger -VAS5900- Support Mode
- Battery Charger -VAS5903-
- Refresh Charging with Battery Charger -VAS5903-
- Battery Charger -VAS5903- Support Mode
- Battery Charger -VAS5906-
- Solar Battery Maintainer -VAS6102A-
- Generator
- Voltage Regulator, Bosch Generator from 2001, Removing and Installing
- Voltage Regulator, Valeo Generator from 2001, Removing and Installing
- Ribbed Belt Pulley without Freewheel, Removing and Installing
- Special Tools
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Battery
Battery General Information
To guarantee a long service life, the Battery -A- must be
checked, serviced and maintained as described in this manual.
The Battery -A- supplies the power to start the eng
Test Sequence
Battery, Checking, Vehicles with Battery Monitoring Control Module J367
or Energy Management Control Module J644 and Data Bus On Board Diagnostic
Interface J533
In certain model series the followi
Visual Inspection
WARNING
Risk of injury. Follow all warning messages and
safety precautions. Refer to
→ Chapter "Warnings and Safety Precautions".
Before any extensive measurements are taken, visuall
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Fuse assignment - footwell
Fig. 183 Driver's footwell (left-hand drive vehicle): fuse
panel with plastic clip
Fig. 184 Front passenger's footwell (right-hand drive vehicle):
fuse panel with plastic clip
Fuse panel (A) (brown)
Catalytic converter heating
Engine components
Exhaust doors, fuel injectors, air intake,
motor
General Information
Vehicles with a High Voltage System (Hybrid Vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- Individuals with electronic/medical life- and health sustaining
machines in or on their person canno
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