Skoda Workshop Service and Repair Manuals > Octavia Mk1 > Brake systems | ABS, ADR, TCS, EDL, ESP | Self-diagnosis | Indication of faults by means of warning lights K47 and K14/33

Indication of faults by means of warning lights K47 and K14/33

Indication of faults by means of warning lights -K47- and -K14/33-

t	If the ABS warning light (-K47-) -1- does not go out after the ignition is switched on and after completion of the test sequence, the causes of the fault may be:

a -	the voltage supply is less than 11 volts

b -	An ABS fault is present. If an ABS fault is present, the anti-lock brake system remains switched off while the conventional brake system remains fully operational.

c -	a wheel speed sensor fault existed after the last vehicle start (sporadic fault). In case of a wheel speed sensor fault, the ABS warning light goes out automatically after restarting the vehicle and after a speed above 20 km/h is reached.

d -	Line interruption between dash panel insert and control unit -J104- → Current flow diagrams, Electrical fault finding and Fitting locations

e -	Dash panel insert defective

t	If the ABS warning light goes out but the warning light for the hand brake/brake fluid level (-K14/33-) remains lit -2-, the causes of the fault may be:

a -	the hand-brake is still applied

b -	Brake fluid level too low

c -	there is a fault in the wiring → Current flow diagrams, Electrical fault finding and Fitting locations

t	If the ABS warning light -1- and the warning light for the hand brake/brake fluid -2- do not go out, then the ABS and EBD (Electronic Brake pressure Distribution) have failed.

In this case, a change in braking behaviour can be expected as the brake pressure on the rear wheels is no longer regulated.

d -	the switch -K14/33- for the warning light (-F9-) is defective or incorrectly adjusted

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