Astra
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Diagnostic Switch KM-640 Note: If TECH 1 is not available, blink code readout can be initiated using Diagnostic Switch KM-640. TECH 1 is however necessary for exact determination of faults.
Diagnostic Switch KM-640, Connect to Vehicle The switch is turned to position "K" and connected to the diagnostic plug X13 (ALDL plug) in the engine compartment.
Trouble Codes, Flash out using Diagnostic Switch KM-640 Using Diagnostic Switch KM-640, the diagnostic excitation lead X 13 /Ter. K (diagnostic excitation lead for the ABS-2E/-2EH) is connected with terminal "A" (ground) in the diagnostic plug. This triggers blink code readout when the ignition is ON. Any trouble codes that may be stored will now be displayed via the telltale.
Checking with TECH 1 Observe the directions in the TECH 1 Operating Instructions before connecting the unit.
Note: The program modules may only be changed or inserted by pressing the two outer catches with ignition OFF.
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