ABS MK II - VWClub.BG

- Check lead from valve relay to controller plug. K1 term. 30 -> X1 term. 3, 20- Controller defective.1222 Main valveSELF-DIAGNOSIS FLASHING CODE 1222Main valve,- Ignition off.- Pull plug off controller.- Check solenoid valve resistance at controller plug. X1 term. 11 -> X1 term.18Set value: 2...5 Ohm- Check solenoid valves and leads for short to ground/short to positive, opencircuit and loose contacts as per circuit diagram.- Check contacts of connectors.SELF-DIAGNOSIS FLASHING CODE 1112...1222- Remove solenoid valve relay.- Check function of valve relay.- Check ground connection, valve relay. K1 term. 87a -> body groundSet value: < 0,5 Ohm- Check voltage supply, valve relay. K1 term. 87 -> body groundSet value: 10...15 V- Check lead from valve relay to controller plug. K1 term. 30 -> X1 term. 3, 20- Controller defective.1233 Wheel-speed sensor VLSELF-DIAGNOSIS FLASHING CODE 1233Wheel-speed sensor, front left- Ignition off.- Pull plug off controller.- Check wheel-speed-sensor winding resistance at controller plug. X1 term. 5 -> X1 term. 23Set value: 0,8...1,4 kOhm- Check wheel-speed sensor and leads for short to ground/short to positive,mix-up, open circuit and loose contacts at controller plug. X1 term. 5 -> X1term. 23- Check condition of connectors.- Excessive wheel bearing clearance.SELF-DIAGNOSIS FLASHING CODE 1233- Turn wheel, front left and check voltage at controller plug (alternatingvoltage). X1 term. 5 -> X1 term. 23Set value: > 75 mV- Wheel-speed sensor loose or not flat on mount.- Ring gear defective (e.g. corroded, dirty, damaged or loose).- Check number of teeth.Set value: 43- Controller defective.1241 Wheel-speed sensor VRSELF-DIAGNOSIS FLASHING CODE 1241Wheel-speed sensor, front right- Ignition off.- Pull plug off controller.- Check wheel-speed-sensor winding resistance at controller plug. X1 term. 7 -> X1 term. 25Set value: 0,8...1,4 kOhm- Check wheel-speed sensor and leads for short to ground/short to positive,mix-up, open circuit and loose contacts at controller plug. X1 term. 7 -> X1term. 25- Check condition of connectors.- Excessive wheel bearing clearance.SELF-DIAGNOSIS FLASHING CODE 1241- Turn wheel, front right and check voltage at controller plug (alternatingvoltage). X1 term. 7 -> X1 term. 25Set value: > 75 mV- Wheel-speed sensor loose or not flat on mount.- Ring gear defective (e.g. corroded, dirty, damaged or loose).- Check number of teeth.Set value: 43- Controller defective.1243 Wheel-speed sensor HRSELF-DIAGNOSIS FLASHING CODE 1243Wheel-speed sensor, rear right- Pull plug off controller.- Check wheel-speed-sensor winding resistance at controller plug. X1 term. 4 -> X1 term. 22Set value: 0,8...1,4 kOhm