brake fluid AUDI A4 1997 B5 / 1.G Brakes ABS EDL Bosch 5.0 Workshop Manual

01-51

ABS
-
K47- Brake
system ASR

-K86-
1) Possible reasons why the indicator lamps light up





X





X
The vehicle can be equipped either with or without ASR. No DTCs are stored in DTC
memory. The ABS lamp remains constantly lit after ignition is switched on and the the red
"brake system malfunction" symbol also lights up 3 seconds after ignition is switched on.
The traction control indicator lamp does not light up even for vehicles equipped with ASR.


Voltage supply for control module less than 6.5 volts; carry out "Electrical test" step 23 page 01
-68
.
There is an open circuit or short circuit to B+ in the wire that controls the ABS warning lamp
between terminal 32 of the ABS control module -J104- and the instrument cluster; carry out
"Electrical test" step 19 page 01
-68
.



X
No DTCs are stored in DTC memory. The red "brake system malfunction" symbol remains
lit after ignition is switched on.


The brake fluid level is too low
Malfunction in instrument cluster: Carry out "Electrical test" step 20, page Page 01
-68
.
1) The traction control indicator light is only available in vehicles equipped with ASR.
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