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Home >> Jaguar >> 1999 >> XK-8 Convertible (X100) V8-4.0L (AJ27) >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Component Tests and General Diagnostics >> Electronic Climate Control Diagnostics >> Actuator Check Procedure

Actuator Check Procedure


Actuator Check Procedure

The system self test procedure drives all the actuator motors, to check their operation. If an actuator is operating incorrectly or operating outside of its limits then a fault code will be present.

Before commencing with the actuator check procedure, ensure the car is operating under normal conditions.
1. Switch ignition OFF.
2. Press and hold the RECIRC & AUTO buttons simultaneously, switch ignition ON & run the engine.
3. All the control panel LEDs and all LCD segments will flash on and off. Any function LED indicator which does not flash on / off suggests a fault condition within that area of the panel or, with the LED.
Any LCD element which fails to flash on / off indicates a fault within the display element or panel.
4. Press AUTO
5. Press RECIRC button to instigate actuator check mode.
6. Press FACE to cycle through the actuator mode conditions 20 to 27.
7. Press the FAN button to restore normal operation with default panel settings, ie AUTO @ 24°C.


Actuator Fault Codes

NOTE:
* The water valve operates on a 6 second pulse, ie 3 seconds ON, 3 seconds OFF.

Code 20 - 27:





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