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Assembly overview - hydraulic unit, brake servo/brake master cylinder > < ABS Mark 60 (ABS/EDL/TCS/ESP) from Week 22/2008
Fault display via warning lamps
Fault display via warning lamps
   
Warning lamps, Golf
  N45-10033
ItemDescription
1Traction control system warning lamp -K86-
ESP and TCS warning lamp -K155-
2Brake pad warning lamp -K32-
3ABS warning lamp -K47-
4Brake system warning lamp -K118-

Brake pad warning lamp -K32-
t  If the brake pad warning lamp -K32--2- does not go out 3 seconds after the ignition is switched on, or it comes on during vehicle operation, the fault may be:
-a- The brake pads are worn.
Check brake pads/linings on front and rear axles. Renew worn brake pads/linings.
-b- There is a wiring fault. → Current flow diagrams, Electrical fault finding and Fitting locations
ABS warning lamp -K47-
t  If the ABS warning lamp -K47--3- does not go out after switching ignition on and completion of test sequence then the fault may be:
-a- The voltage supply is below 10 volts.
-b- There is a fault in the ABS.
  WARNING
In the event of an ABS fault -b-, the anti-lock brake system remains switched off, but the brake system remains fully operational.
-c- A temporary speed sensor fault occurred since the vehicle was last started.
In this case, the ABS warning lamp will go out automatically after the engine is restarted and the vehicle speed exceeds 20 km/h.
-d- The connection from dash panel insert to ABS control unit -J104- is interrupted. → Current flow diagrams, Electrical fault finding and Fitting locations
-e- The dash panel insert is defective.
ABS warning lamp -K47- and brake system warning lamp -K118-
t  If the ABS warning lamp -K47--3- goes out but the brake system warning lamp -K118--4- remains on, then the fault may be:
-a- The handbrake is applied.
-b- The brake fluid level is too low (the warning lamp flashes).
Three warning tones are audible after ignition is switched on.
-c- There is a fault in the wiring to brake system warning lamp -K118-. → Current flow diagrams, Electrical fault finding and Fitting locations
t  If the ABS warning lamp -K47--3- and the brake system warning lamp -K118--4- light up, then the ABS is defective. A change in braking behaviour is to be reckoned with.
  WARNING
After the ABS warning lamp -K47- and the brake system warning lamp -K118- have lit up, it is possible that the rear wheels will lock up earlier.
Traction control system warning lamp -K86-
t  If the traction control system warning lamp -K86--1- does not go out after switching ignition on and completion of test sequence then the fault may be:
There is a fault present which only affects the TCS. The ABS and EBD safety systems on the vehicle remain fully functional ⇒ Read fault memory.
-a- Short-circuit to positive in TCS button -E256-.
-b- There is a fault in the activation of the traction control system warning lamp -K86- → Current flow diagrams, Electrical fault finding and Fitting locations.
-c- The TSC system was shut off by the TCS button -E256-.
If traction control system warning lamp -K86- flashes while the vehicle is in motion, the TCS is in operation.
t  If the TCS warning lamp -K86--1- does not light up during the self-test, the fault may be:
-a- The TCS warning lamp -K86- is defective ⇒ perform electrical check.
ESP and TCS warning lamp -K155-
t  If the ESP and TCS warning lamp -K155--1- does not go out after ignition is switched on and test sequence is completed, then the fault may be:
A fault in the system affecting only the TCS/ESP. The ABS/EDL and EBD safety systems on the vehicle remain fully functional ⇒ Read fault memory.
-a- Short-circuit to positive in TCS and ESP button -E256-.
-b- There is a fault in the activation of the ESP and TCS warning lamp -K155- → Current flow diagrams, Electrical fault finding and Fitting locations.
-c- The TCS/ESP system was shut off by the TCS and ESP button -E256-.
If the ESP and TCS warning lamp -K155- flashes while the vehicle is in motion, the TCS or ESP system is regulating the system.
t  If the ESP and TCS warning lamp -K155--1- does not light up during the self-test, the fault may be:
-a- The ESP and TCS warning lamp -K155- is defective ⇒ perform electrical check.
   

Assembly overview - hydraulic unit, brake servo/brake master cylinder > < ABS Mark 60 (ABS/EDL/TCS/ESP) from Week 22/2008