Mercedes-Benz CS1000 647+!2879, Reading Actual Values, Component Under Test, Number, DTC Readout

647￿)￿￿+!￿￿￿￿￿2￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿8)79

READING ACTUAL VALUES

1.IGNITION ON : Position 1

2.Press the REST button and within 1 second press blower speed button 4.

3.The temperature window (upper left) will alternately display the test step number (ex. "02" In-car Temp) or "0P E" for Open Circuit or "Cl 0" for Closed Circuit.

4.Press "F" button to go to higher test.

5.Press "C" button to go to a lower test.

6.To end this test mode turn IGNITION OFF : Position 0 for longer then 5 seconds.

COMPONENT UNDER TEST

Number	Component
02	In-Car Temperature Sensor
04	Outside Temperature Sensor
06	Evaporator Temperature Sensor
08	Heater Core Temperature Sensor
12	Engine Coolant Temperature (ETC) Sensor
14	Temperature Selector Wheel Setting
18	Vehicle Speed Signal(km/h)
20	Soft Top OPEN : "U" ; Soft Top CLOSED : "O"
22	Power Supply Voltage
83	OFF/ON (Not Used)
84	Blower motor voltage "050" (0,5V) - "600" (6,0V)

FAULT DIAGNOSIS

1.Turn temperature selector wheel into the white area.

2.IGNITION ON : Position 1

3.Within the next 10 sec., press the "F", "RECIRCULATE AIR" and "REST" buttons simultaneously for 2 to 4 seconds.

4.The display will show the permanent DTC's stored. press the "RECIRCULATE AIR" button after each is displayed until the display reads "END"

5.Press "RECIRCULATE AIR" button again and the intermittent DTC's will be shown. A SQUARE is shown after each DTC to indicate that it is intermittent. Press the "RECIRCULATE AIR" button again to see the next DTC. Until "END" is shown.

6.To erase the DTC's : IGNITION ON : Position 1 Press the "RECIRCULATE AIR", "REST" and "UP" buttons simultaneously until --- is displayed in the window.

FAULT CODES - 129 Chassis to 8/95

DTC Readout	Description	Cause
1	No DTC's Stored in System Memory.	No Faults

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