5-005 - Repair, adjustment - Repair instructions, fault codes Air suspension - Trucks

Fault designation

No.

Defective electronic control module

101

103

104

105

106

107

Calibration data defective

102

11 t or 13 t pressure switch defective,

control module defective or fuse A1F4 (was A2F7 up to 6/92)

108

109

Sensor fault: Open-circuit or short-circuit to +Ub

Rear right travel sensor

Rear left travel sensor

Front travel sensor

110

111

112

Sensor fault: Short-circuit to ground

Rear right travel sensor

Rear left travel sensor

Front travel sensor

120

121

122

Solenoid valve fault: Open-circuit or short-circuit to +Ub

central 3/2-way valve

2/2-way valve, drive axle, left

2/2-way valve, drive axle, right

3/3-way valve, lowering lifting axle/pressurizing leading axle

3/3-way valve, raising lifting axle/depressurizing leading axle

2/2-way valve, front axle

130

131

132

133

134

136

Solenoid valve fault: Short-circuit to ground

central 3/2-way valve

2/2-way valve, drive axle, left

2/2-way valve, drive axle, right

3/3-way valve, lowering lifting axle/pressurizing leading axle

3/3-way valve, raising lifting axle/depressurizing leading axle

2/2-way valve, front axle

140

141

142

143

144

146

Plausibility fault when raising

Raising operation faulty, rear right

Raising operation faulty, rear left

Raising operation faulty, front

150

151

152

Plausibility fault when lowering

Lowering operation faulty, rear right

Lowering operation faulty, rear left

Lowering operation faulty, front

160

161

162