Button lay-out of old version of remote control (11) |
1 | "M1" button |
2 | "M2" button |
3 | "SERVICE" button |
4 | "FRONT REAR." button |
5 | Lower button |
6 | Raise button |
11 | Remote control |
D32.22-A016-03
Explanation of fault codes, using the Raise button (6) of the old version of the remote control (11) as an example.
Press "SERVICE" button (3) once and read out fault codes based on button LEDs that light up or flash.
Depending on the test result, repair or replace affected component parts.
D32.22-A025-71
6 | Raise button | |||
A | DOES NOT LIGHT UP | |||
6 | Raise button | |||
B | Lights up permanently | |||
D32.22-A026-71
D32.22-A027-71
6 | Raise button | |||
C | Flashes slowly (1/s) | |||
6 | Raise button | |||
D | Flashes quickly (3/s) | |||
D32.22-A028-71
Button lay-out of new version of remote control (11) |
1 | "M1" button |
2 | "M2" button |
3 | "SERVICE" button |
4 | "FRONT REAR." button |
5 | Lower button |
6 | Raise button |
11 | Remote control |
D32.22-A072-03
The button lay-out of the new version of the remote control (11) is functionally identical to the button lay-out of the old version of the remote control (11).
Explanation of fault codes, using the Raise button (6) of the new version of the remote control (11) as an example.
Press "SERVICE" button (3) once and read out fault codes based on button symbols that light up or flash.
Depending on the test result, repair or replace affected component parts.
D32.22-A073-71
6 | Raise button | |||
E | DOES NOT LIGHT UP | |||
6 | Raise button | |||
F | Lights up permanently | |||
D32.22-A078-71
D32.22-A074-71
6 | Raise button | |||
G | Flashes slowly (1/s) | |||
6 | Raise button | |||
H | Flashes quickly (3/s) | |||
D32.22-A075-71
Maximum compressor operating pressure reached.
Reduce load.
Check compressed-air lines for damage, soiling and frost damage.
Check valve block for proper operation.
D32.22-A034-73
D32.22-A052-73
Thermal fuse (compressor used intensively).
Allow compressor to cool down.
Check system for leaks.
Check compressor's drain valve.
Check compressor.
D32.22-A029-73
D32.22-A053-73
Thermal fuse (valve block used intensively).
Allow valve block to cool down.
Check system for freedom of movement (raising and lowering must be fully possible).
Check electrical connectors and electrical wiring harnesses of valve block.
Check system for leaks.
Check valve block.
D32.22-A030-73
D32.22-A054-73
Sensor output excessively loaded.
Check electrical connectors and electrical wiring harnesses for moisture.
Check electrical wiring harnesses between Air Suspension Control Unit (ACU) and battery (including fuses and relays).
D32.22-A037-73
D32.22-A055-73
Ignition voltage to sensor voltage.
Check electrical connectors and electrical wiring harnesses for moisture.
Check electrical wiring harnesses between the ACU and battery (including fuses and relays).
D32.22-A038-73
D32.22-A056-73
Short circuit to sensor output.
Check electrical wiring harnesses for damage.
Check electrical connectors and electrical wiring harnesses for moisture.
D32.22-A039-73
D32.22-A057-73
Battery voltage too low (raising no longer possible).
Start engine.
Check vehicle battery.
Check electrical wiring harnesses between the ACU and battery (including fuses and relays).
D32.22-A035-73
D32.22-A058-73
Battery voltage too low (air suspension deactivated).
Check vehicle battery.
Check vehicle battery.
Check electrical wiring harnesses between the ACU and battery (including fuses and relays).
D32.22-A036-73
D32.22-A059-73
Vehicle speed signal faulty.
Check vehicle speed signal connection.
D32.22-A040-73
D32.22-A060-73
Longer, persistent imbalance during driving (at speeds > 25 km/h)
Check installation and position of level sensors.
Check torsion bar linkages of level sensors.
Check system for leaks.
D32.22-A061-73
D32.22-A062-73
Mechanical fault in level sensor.
Left button LED or left button symbol flashes Left level sensor affected.
Right button LED or right button symbol flashes Right level sensor affected.
Both button LEDs or both button symbols flash Left and right level sensors affected.
Check electrical connectors and electrical wiring harnesses for level sensors.
Check installation and position of level sensors (same height required at left and right).
Check each level sensor.
D32.22-A031-73
D32.22-A063-73
Pressure sensor values out of range or tolerance.
Check electrical connectors and electrical wiring harnesses of pressure sensor.
Check pressure sensor.
D32.22-A032-73
D32.22-A064-73
Position of level sensors does not correspond with signals of valve block valves.
Check compressor.
Check compressed-air lines for damage, soiling and frost damage.
Check electrical connectors and electrical wiring harnesses for level sensors.
Check installation and position of level sensors (same height required at left and right).
Check whether the calibration gauges are installed or the rear axle is supported.
D32.22-A066-73
D32.22-A065-73
Level position of vehicle level does not correspond with signals of valve block valves.
Check compressor.
Check compressed-air lines for damage, soiling and frost damage.
Check electrical connectors and electrical wiring harnesses for level sensors.
Check installation and position of level sensors (same height required at left and right).
Check whether the calibration gauges are installed or the rear axle is supported.
D32.22-A068-73
D32.22-A067-73
Electrical fault or open circuit.
Check electrical connector of ASCU, compressor, drain valves, relay and valve block.
Check wiring harnesses for damage.
Check electrical connectors and wiring harnesses for moisture.
D32.22-A041-73
D32.22-A069-73
Air leak detected while driving.
Check system for leaks.
D32.22-A071-73
D32.22-A070-73