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Home >> Land Rover >> 2013 >> LR2 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 220 (Climate Control System - General Information -- XF/X250) >> Climate Control System - General Information >> Diagnosis And Testing >> Climate Control System >> Pinpoint Tests >> Pinpoint Test F: Electronic Control Valve Tests

Pinpoint Test F: Electronic Control Valve Tests

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 Jaguar XFR, 2015 Jaguar XF, 2014 Jaguar XFR, 2014 Jaguar XF, and 2013 Jaguar XFR. However, it is still accessible from the selected car via links, so may be relevant.
  1. F1: ELECTRONIC CONTROL VALVE TEST 1 
    1. Start the engine
    2. Set the air conditioning to on
    3. Set the temperature to the lowest setting (all zones)
    4. Set the blower speed to maximum
    5. Set the recirculate switch to off
    6. Using the manufacturer approved diagnostic system, check datalogger signal - Compressor/Motor Current (0x99AB)

      Is the datalogger signal value > 0.5A?

      • Yes  : Air conditioning compressor electronic control valve internal failure. Refer to the applicable SYSTEM WIRING DIAGRAMs and install a new air conditioning compressor electronic control valve
      • No  : Refer to the applicable SYSTEM WIRING DIAGRAMs and check the air conditioning compressor electronic control valve circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair as necessary and retest
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