Scan Tool Connecting

VAS 5051 Vehicle Diagnostic, Testing And Information System, Connecting And Selecting Functions

Requirements
- Fuses for engine electronics OK
- Battery voltage at least 12.7 V
- Ground (GND) connections at engine and transmission OK.

Work sequence
- Switch ignition off.







- Connect VAS 5051 with diagnostic wire VAS 5051/1.

WARNING:
- For road tests, always secure VAS 5051 tester to rear seat and have operated from there by a second technician.
- Note the safety precautions.

NOTE: A malfunction message appears on the display:







Display on VAS 5051:
- Press "vehicle self-diagnosis" button.







Display on VAS 5051:

NOTE: The automatic test sequence is carried out by pressing "00 - Check Diagnostic Trouble Code (DTC) memory - Total system" in selection -1-, i.e. the Diagnostic Trouble Code (DTC) memories of all vehicle systems with self-diagnosis capability are checked.







Display on VAS 5051:
Depending on which function is required
- Switch ignition on.
or
- Start engine.
- Select vehicle system "01 - Engine electronics" in selection -1-.
- Wait until next display appears.







Display on VAS 5051:
1. Control module identification of the Engine Control Module (ECM)
2. Control module identification of the Immobilizer












- Press square button.







Display on VAS 5051:
1. Selection of diagnostic functions: