KAMAZ 5490 Operation Manual page 304

Clearing error memory
1. Switch ignition off.
2. Braking step lever in position 4 (max. position -1).
3. Switch on ignition and wait for continuous light
(3 seconds) or flashing (5 seconds) of the Intarder
check display.
4. Within the 5 seconds, the braking step lever is set to
position 3 (max. position -2), again to position 4
(max. position -1), and then back to position 0.
5. All errors displayed via the flash code output are
deleted for the flash code output.
With the flash code output, only error which do not
impede functions, can be read out of the control unit.
Errors which do not impact the function of the control
unit can only be read out by means of an external
diagnosis device.
Deleting the error memory by means of the braking step
lever leads to the fact that the errors entered into the error
memory become invisible for the flash code output. For
the external diagnosis device, all errors are still visible
until they are deleted by means of the diagnosis device.
6085 758 102b - 2006-10
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Clearing error memory