SELF-DIAGNOSIS FLASHING CODE TABLE

0000 End of output/controller

END OF OUTPUT/controller

- Remove all diagnosis leads.

- Following repair, perform test drive for at least 1 min. at a speed in excess of 40 km/h.

- Repeat self-diagnosis.

1111 Controller

SELF-DIAGNOSIS FLASHING CODE 1111

Controller

- Check all fuses.

- Ignition off.

- Pull plug off controller.

- Check ground connections at controller plug. X1 term. 1, 11 -> body ground

Set value: < 0,5 Ohm

- Ignition on and start engine.

- Check voltage supply at controller plug. X1 term. 2 -> body ground

Set value: 11...15 V

- Controller defective.

1112 Inlet valve VL

SELF-DIAGNOSIS FLASHING CODE 1112

Inlet valve, front left

- Ignition off.

- Pull plug off controller.

- Check solenoid valve resistance at controller plug. X1 term. 11 -> X1 term. 35

Set value: 5...7 Ohm

- Check solenoid valves and leads for short to ground/short to positive, open circuit 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 ground Set value: < 0,5 Ohm

- Check voltage supply, valve relay. K1 term. 87 -> body ground

Set value: 10...15 V

- Check lead from valve relay to controller plug. K1 term. 30 -> X1 term. 3, 20

- Controller defective.

1114 Inlet valve VR

SELF-DIAGNOSIS FLASHING CODE 1114

Inlet valve, front right

- Ignition off.

- Pull plug off controller.

- Check solenoid valve resistance at controller plug.X1 term. 11 -> X1 term. 15

Set value: 5...7 Ohm

- Check solenoid valves and leads for short to ground/short to positive, open circuit 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 ground

Set value: < 0,5 Ohm

- Check voltage supply, valve relay. K1 term. 87 -> body ground

Set value: 10...15 V

- Check lead from valve relay to controller plug. K1 term. 30 -> X1 term. 3, 20

- Controller defective.

1122 Inlet valve HA

SELF-DIAGNOSIS FLASHING CODE 1122

Inlet valve, rear

- Ignition off.

- Pull plug off controller.

- Check solenoid valve resistance at controller plug. X1 term. 11 -> X1 term. 17

Set value: 5...7 Ohm

- Check solenoid valves and leads for short to ground/short to positive, open circuit 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 ground

Set value: < 0,5 Ohm

- Check voltage supply, valve relay. K1 term. 87 -> body ground

Set value: 10...15 V

- Check lead from valve relay to controller plug. K1 term. 30 -> X1 term. 3, 20

- Controller defective.

1132 Outlet valve VL

SELF-DIAGNOSIS FLASHING CODE 1132

Outlet valve, front left

- Ignition off.

- Pull plug off controller.

- Check solenoid valve resistance at controller plug. X1 term. 11 -> X1 term. 16

Set value: 3...5 Ohm

- Check solenoid valves and leads for short to ground/short to positive, open circuit 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 ground

Set value: < 0,5 Ohm

- Check voltage supply, valve relay. K1 term. 87 -> body ground

Set value: 10...15 V

- Check lead from valve relay to controller plug. K1 term. 30 -> X1 term. 3, 20

- Controller defective.

1134 Outlet valve VR

SELF-DIAGNOSIS FLASHING CODE 1134

Outlet valve, front right

- Ignition off.

- Pull plug off controller.

- Check solenoid valve resistance at controller plug. X1 term. 11 -> X1 term. 34

Set value: 3...5 Ohm

- Check solenoid valves and leads for short to ground/short to positive, open circuit 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 ground

Set value: < 0,5 Ohm

- Check voltage supply, valve relay. K1 term. 87 -> body ground

Set value: 10...15 V

- Check lead from valve relay to controller plug. K1 term. 30 -> X1 term. 3, 20

- Controller defective.

1142 Outlet valve HA

SELF-DIAGNOSIS FLASHING CODE 1142

Outlet valve, rear

- Ignition off.

- Pull plug off controller.

- Check solenoid valve resistance at controller plug. X1 term. 11 -> X1 term. 33

Set value: 3...5 Ohm

- Check solenoid valves and leads for short to ground/short to positive, open circuit 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 ground

Set value: < 0,5 Ohm

- Check voltage supply, valve relay. K1 term. 87 -> body ground

Set value: 10...15 V

- Check lead from valve relay to controller plug. K1 term. 30 -> X1 term. 3, 20

- Controller defective.

1222 Main valve

SELF-DIAGNOSIS FLASHING CODE 1222

Main valve,

- Ignition off.

- Pull plug off controller.

- Check solenoid valve resistance at controller plug. X1 term. 11 -> X1 term. 18

Set value: 2...5 Ohm

- Check solenoid valves and leads for short to ground/short to positive, open circuit 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 ground

Set value: < 0,5 Ohm

- Check voltage supply, valve relay. K1 term. 87 -> body ground

Set 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 VL

SELF-DIAGNOSIS FLASHING CODE 1233

Wheel-speed sensor, front left

- Ignition off.

- Pull plug off controller.

- Check wheel-speed-sensor winding resistance at controller plug. X1 term. 5 -> X1 term. 23

Set 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 -> X1 term. 23

- Check condition of connectors.

- Excessive wheel bearing clearance.

SELF-DIAGNOSIS FLASHING CODE 1233

- Turn wheel, front left and check voltage at controller plug (alternating voltage). X1 term. 5 -> X1 term. 23

Set 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 VR

SELF-DIAGNOSIS FLASHING CODE 1241

Wheel-speed sensor, front right

- Ignition off.

- Pull plug off controller.

- Check wheel-speed-sensor winding resistance at controller plug. X1 term. 7 -> X1 term. 25

Set 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 -> X1 term. 25

- Check condition of connectors.

- Excessive wheel bearing clearance.

SELF-DIAGNOSIS FLASHING CODE 1241

- Turn wheel, front right and check voltage at controller plug (alternating voltage). X1 term. 7 -> X1 term. 25

Set 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 HR

SELF-DIAGNOSIS FLASHING CODE 1243

Wheel-speed sensor, rear right

- Pull plug off controller.

- Check wheel-speed-sensor winding resistance at controller plug. X1 term. 4 -> X1 term. 22

Set 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. 4 -> X1 term. 22

- Check condition of connectors.

- Excessive wheel bearing clearance.

SELF-DIAGNOSIS FLASHING CODE 1243

- Turn wheel, rear right and check voltage at controller plug (alternating voltage). X1 term. 4 -> X1 term. 22

Set 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.

1311 Wheel-speed sensor HL

SELF-DIAGNOSIS FLASHING CODE 1311

Wheel-speed sensor, rear left

- Ignition off.

- Pull plug off controller.

- Check wheel-speed-sensor winding resistance at controller plug. X1 term. 6 -> X1 term. 24

Set 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. 6 -> X1 term. 24

- Check condition of connectors.

- Excessive wheel bearing clearance.

SELF-DIAGNOSIS FLASHING CODE 1311

- Turn wheel, rear left and check voltage at controller plug (alternating voltage). X1 term. 6 -> X1 term. 24

Set 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.

1312 Pressure warning switch and warning contact

SELF-DIAGNOSIS FLASHING CODE 1312

Pressure warning switch and warning contact

- Ignition off.

- Detach plug from controller.

- Connect up ohmmeter to controller plug term. 9 and 10. (Pressure accumulator must be charged).

Set value: < 5 Ohm

- Unscrew closing cover of reservoir and move float.

- The warning contact S6 (picture) opens if the float with magnet M2 is moved towards the lower stop.

Contact S5 first switches on brake warning lamp by way of magnet M1.

4444 No fault stored

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