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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.