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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