Diagnostic Tester, Connecting

Connect Diagnostic Tester

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 12.7 V
- Parking brake engaged.
- Vehicles with automatic transmission Selector lever 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.

CAUTION: Observe safety precautions. Service Precautions

NOTE: If a malfunction indication is displayed, See Operating instructions for Vehicle Diagnostic and Information System VAS 5052

Depending on the desired mode "Selectable diagnostic modes" table. Selectable Diagnostic Modes Under Address Word 33 - OBD
- Switch ignition on.
or
- Start engine