Mercedes-Benz CS1000 User Manual
Page 86
) 2
) 2
) 2
) 2
FAULT CODES - TAU 2.1
DTC Readout Description
Cause
86
34
Auxiliary Fan Signal 2 Stage
Short Circuit
35
Auxiliary Fan Signal 1 Stage
Short Circuit
50
Switchover Valve Block Signal
Short Circuit
70
Auxiliary Coolant Pump
Open Circuit
71
Automatic A/C Monovalve (Left)
Open Circuit
72
Automatic A/C Monovalve (Right)
Open Circuit
73
A/C Compressor Signal
Open Circuit
74
Auxiliary Fan Signal 2nd Stage
Open Circuit
75
Auxiliary Fan Signal 1st Stage
Open Circuit