Scan Tool Testing
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. [1][2]Diagnostic Mode, Selecting
- Switch ignition on. or
- Start engine.