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READING ACTUAL VALUES
1. Turn temperature selector wheel into the white area.
2. IGNITION = ON : Position 1
3. Press the left and right "AUTO" buttons.
4. Within 20 seconds press the "REST" button for more than 5 sec.
5. LEFT DISPLAY = Component Number
RIGHT DISPLAY = Actual Component Value or "HI" for a short circuit or "LO" for an open circuit
6. Press the left "AUTO" button to monitor the next component.
7. Press the "REST" button to end the test mode.
COMPONENTS UNDER TEST
Number Component
01 In-Car Temperature Sensor with Aspirator Blower (B10/4)
02 Outside Temperature Sensor (B10/5)
03 Left Heater Core Temperature Sensor (B10/2)
04 Right Heater Core Temperature Sensor (B10/3)
05 Evaporator Temperature Sensor (B10/6)
06 Engine Coolant Temperature (ECT) Sensor (A/C) (B10/8)
07 Refrigerant Pressure in Bar : Ex. 06'4 = 6.4 Bar
08 Blower Control Voltage from 8(min) - 60(max)
09 Software Status, A/C Pushbutton Control Module(N22) Mfg.
10 Left rear heater core temperature sensor (B10/9)
11 Right rear heater core temperature sensor (B10/10)
12 Rear Evaporator Temperature Sensor (B10/11)
13 Software Status, Rear A/C Pushbutton Control Module(N22) Mfg.
16 Control Module Applicable for Charcoal Filter : "A"=YES "0 "=NO
FAULT DIAGNOSIS
1. Turn the left selector wheel into the red area.
2. Turn the right selector wheel into the blue area.
3. IGNITION = ON : Position 1.
4. Press the "AUTO" button.
5. Within 20 seconds, press the "REST" and "O" button for more than 2 seconds.
6. The display will show the permanent DTC's stored. Left window "E0" or "E1", right window "01", "02"...etc.
Record each DTC and press the right "AUTO" button to display the next code. Continue until "END" is
displayed.
7. To erase the DTC's : Turn IGNITION OFF, Then turn IGNITION ON : Position 1. Press the left "AUTO"
button. A "d" (delete) is displayed in the left window. By pressing the right "AUTO" button the DTC will be
deleted. Alternate left and right "AUTO" buttons until all DTCs are erased and "E0 00" is displayed.