Mercedes-Benz CS1000 User Manual
Page 98
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FAULT CODES - 140 Chassis to 8/95
DTC Readout Description
Cause
Fault Type
98
145
Rear Evaporator Temperature Sensor (B10/11)
Short Circuit
INTERMITTENT
146
Rear Evaporator Temperature Sensor (B10/11)
Short or Open Circuit
CONTINUOUS
147
Rear Evaporator Temperature Sensor (B10/11)
Short or Open Circuit
INTERMITTENT
148
Coolant Circulation Pump (A31/1m1)
Short Circuit
CONTINUOUS
149
Coolant Circulation Pump (A31/1m1)
Short Circuit
INTERMITTENT
150
Coolant Circulation Pump (A31/1m1)
Short or Open Circuit
CONTINUOUS
151
Coolant Circulation Pump (A31/1m1)
Short or Open Circuit
INTERMITTENT
152
Coolant Circulation Pump (A31/1m1)
Overload
CONTINUOUS
153
Coolant Circulation Pump (A31/1m1)
Overload
INTERMITTENT
156
Left Duovalve (Water Valve) (A31/1y1)
Short Circuit
CONTINUOUS
157
Left Duovalve (Water Valve) (A31/1y1)
Short Circuit
INTERMITTENT
158
Left Duovalve (Water Valve) (A31/1y1)
Short or Open Circuit
CONTINUOUS
159
Left Duovalve (Water Valve) (A31/1y1)
Short or Open Circuit
INTERMITTENT
160
Right Duovalve (Water Valve) (A31/1y2)
Short Circuit
CONTINUOUS
161
Right Duovalve (Water Valve) (A31/1y2)
Short Circuit
INTERMITTENT
162
Right Duovalve (Water Valve) (A31/1y2)
Short or Open Circuit
CONTINUOUS
163
Right Duovalve (Water Valve) (A31/1y2)
Short or Open Circuit
INTERMITTENT
164
Rear Refrigerant Shut-Off Valve (Y67)
Short Circuit
CONTINUOUS
165
Rear Refrigerant Shut-Off Valve (Y67)
Short Circuit
INTERMITTENT
166
Rear Refrigerant Shut-Off Valve (Y67)
Short or Open Circuit
CONTINUOUS
167
Rear Refrigerant Shut-Off Valve (Y67)
Short or Open Circuit
INTERMITTENT
168
Rear Tunnel Flap Vacuum Valve (Y67/1)
Short Circuit
CONTINUOUS
169
Rear Tunnel Flap Vacuum Valve (Y67/1)
Short Circuit
INTERMITTENT
170
Rear Tunnel Flap Vacuum Valve (Y67/1)
Short or Open Circuit
CONTINUOUS
171
Rear Tunnel Flap Vacuum Valve (Y67/1)
Short or Open Circuit
INTERMITTENT
6-: +! /# 7)79
6-: +! /# 7)79
6-: +! /# 7)79
6-: +! /# 7)79
READING ACTUAL VALUES
1. IGNITION : Position 1
2. Press the AUTO button
3. Set both temperature selectors to 72 degrees F.
4. Press the REST button for more than 5 seconds.
5. The left display will alternately show the number "1" and the in-car temperature.
6. Press the AUTO button and the next component number and its value will be displayed.
7. Press the REST button to end the test program.