Corsa B
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Diagnosis
lt is possible to read out stored trouble codes by pressing both TID keys simultaneously for longer than 4 seconds.
Trouble codes are read out in numerical order.
After all trouble codes have been read out, the vehicle's current speed is displayed (function test of odometer sensor, nominal value at a standstill : "00 KMH/MILES"). The TID then proceeds to the display test (actuation of all display symbols). This test is performed for 4 seconds. The TID then returns to the normal display mode.
lt is possible to interrupt readout of trouble codes and the display test by pressing both keys again briefly.
If a fault is determined during the self-test or during normal operation, the radio display switches off automatically. The clock display remains functional.
During normal operation, recognition of a fault may cause several trouble codes to be stored or displayed. For accurate information about which trouble code actually caused the fault, the stored trouble codes must be deleted by switching the radio unit off.
Then switch the radio on again (carries out self-test of radio display bus).
The trouble codes stored after the self-test can be used for trouble-shooting.
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