Contents
Climate Unit, Signal Description ............................................................ 3
MID 146 Fault Code Table ..................................................................... 9
MID 146 SID 2 Temperature Sensor, Evaporator ................................ 11
MID 146 SID 2 Temperature Sensor Evaporator, Check ..................... 12
MID 146 SID 5 Stepper Motor, Fresh Air and Recirculation ................ 14
MID 146 SID 5 Stepper Motor Fresh Air-recirculation, Check ............. 15
MID 146 SID 6 Stepper Motor, Air Distribution .................................... 16
MID 146 SID 6 Stepper Motor Air Distribution, Check ......................... 17
MID 146 SID 9 Stepper Motor, Air Mix ................................................. 18
MID 146 SID 9 Stepper Motor, Air Mix/Heat Control, Check
MID 146 SID 11 Solenoid Clutch, Compressor ................................... 20
MID 146 SID 12 Water Control Valve .................................................. 21
MID 146 SID 12 Water Control Valve, Check ...................................... 22
MID 146 SID 13 Temperature Sensor, Heat Exchanger ...................... 24
MID 146 SID 13 Temperature Sensor Heat Exchanger, Check ........... 25
MID 146 SID 14 Circulation Fan, Temperature Sensor, Cab ............... 27
MID 146 SID 15 Engine Fan Request .................................................. 28
MID 146 SID 16 Stepper Motor, Phase 1 ............................................ 29
MID 146 SID 16 Stepper Motor Phase 1, Check ................................. 30
MID 146 SID 17 Stepper Motor, Phase 2 ............................................ 31
MID 146 SID 17 Stepper Motor Phase 2, Check ................................. 32
MID 146 SID 18 Stepper Motor, Phase 3 ............................................ 33
MID 146 SID 18 Stepper Motor Phase 3, Check ................................. 34
MID 146 SID 19 Stepper Motor, Phase 4 ............................................ 35
MID 146 SID 19 Stepper Motor Phase 4, Check ................................. 36
MID 146 SID 22 Pressure Sensor, Refrigerant .................................... 37
MID 146 SID 22 Pressure Sensor Refrigerant High Pressure Side,
Check .................................................................................................. 38
MID 146 SID 232 5 Volt Supply Sensors ............................................. 40
MID 146 SID 232 5 Volt Supply Sensors, Check ................................. 41
MID 146 SID 250 J1708 Information Link ............................................ 42
MID 146 PID 170 Temperature Sensor, Cab ....................................... 43
MID 146 PID 170 Temperature Sensor Cab, Check ............................ 44
MID 146 PID 171 Temperature Sensor, Ambient Temperature ........... 46
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