Astra
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General Instructions/Safety Measures
When Diagnostic Switch KM-640 is used, only stored trouble codes can be read off.
Readout of data using TECH 1 takes place with IGNITION ON and/or with engine operating. During communication between TECH 1 and the control unit of the ignition system, the relevant telltale must illuminate constantly.
Note: Motronic M 1.5 also permits readout of data during a journey. For this, the Snapshot mode (key F3) must be activated. This enables sporadically-occuring faults (e.g. loose contacts) to be detected.
To delete trouble code: With TECH 1: Press key F 4 Without TECH 1: Ignition OFF and separate ground from battery for at least 1 minute.
Important: After disconnecting the battery: clock, board computer, electronic window winders, radio (coding), should be reprogrammed if necessary.
Safety Measures:
· During welding work control units must be removed.
· At temperatures above +80 °C/+176 °F (drying oven), control units must be removed.
· Never connect or disconnect wiring harness plugs of control units or trigger boxes with ignition switched on.
· Before charging or quick-charging, disconnect the battery from the vehicle electrical system.
· Never use the quick-charger for starting.
· Caution when touching voltage-bearing parts of the ignition system.
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