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READING ACTUAL VALUES
1. Remove the operating console from the TAU
2. At the upper side of the operating consol there is a display.
3. Ignition ON : Position 1
4. The fan speed selector NOT on position 1
5. The display alternates between the sensor/component number and the value of that sensor/component.
Example: "OP E" : Open circuit or "CL O" : Closed circuit.
COMPONENT UNDER TEST
Number Component
02 Interior Temperature Sensor
04 Exterior Temperature Sensor
06 Evaporator Temperature Sensor
08 Left Heater Core Temperature Sensor
10 Right Heater Core Temperature Sensor
12 Engine Coolant Temperature Sensor (ECT)
14 Left Temperature Selector Wheel Setting (Degree C)
16 Right Temperature Selector Wheel Setting (Degree C)
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 Place the air speed selector at position 0 and the air direction to "DOWN"
3 IGNITION = ON : Position 1
4 Within the next 10 sec., press the "RECIRCULATE AIR" and "REST" button simultaneously for 3 sec.
5 Press the AUTO button until all error numbers are read and recorded.