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Home >> Audi >> 2004 >> S4 Quattro Sedan (8E2) V8-4.2L (BHF) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Testing >> Scan Tool Connecting and Initial Checks
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Scan Tool Connecting and Initial Checks



Diagnostic Tester, Connecting

Special tools and equipment







- Vehicle Diagnostic and Information System VAS 5052 with diagnostic wire VAS 5052/3

Test requirements:
- Fuses for engine electronics OK
- Ground (GND) connections at engine and transmission OK
- Battery voltage at least 12.5 V
- Parking brake engaged.
- Selector lever of automatic transmission in position "P" or "N".
- Electrical consumers switched off (radiator fan must NOT run during test).
- A/C switched off.

Procedure
- Switch ignition off.







- Connect Vehicle Diagnostic and Information System VAS 5052 with diagnostic wire VAS 5052/3.

WARNING: Observe safety precautions

NOTE:
If a malfunction indication is displayed:
See Operating instructions for Vehicle Diagnostic and Information System VAS 5052
Depending on the desired mode See "Selectable diagnostic modes" table.

- Switch ignition on. or
- Start engine.
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