Vauxhall Workshop Service and Repair Manuals

General Instructions / Safety Measures

Data is read out by TECH 1 with the ignition ON and with the engine running.

During communication between TECH 1 and the Motronic control unit, the relevant telltale should illuminate constantly.

Safety Measures:

·   Wait at least 20 s after switching off ignition before connecting/disconnecting plugs to/from electric/electronic components.

·   Never disconnect the battery from the vehicle electrical supply with the engine running.

·   Control units must be removed during welding operations.

·   Remove control units at temperatures above + 80 °C/176 °F (drying ovens).

·   Never use the quick charger for starting.

·   Caution when touching voltage-bearing parts of the ignition system.

·   Use only high-resistance voltage testers for checking.

Important:              After disconnecting the battery, volatile memories must be reprogrammed. In the case of radio coding and radio station programming, the customer should be informed about the decoding and deleted station memories.