DTC B11FF-85: A/C Refrigerant Pressure - Signal above allowable range: Action
- Using the Jaguar Land Rover approved equipment, compare the air conditioning discharge pressure against the high pressure service port gauge
- Perform air conditioning system regas process
- Using the Jaguar Land Rover approved diagnostic equipment, perform routine - Reset/Clear Specification Function - Based on the operating mode from the DTC snapshot data, if the compressor operating mode is 1, 2, 3, 4, 11, 6, 7
- Set ignition to on and air conditioning to maximum
- If the fault persists, clean the opening of the tube filter net, check the front refrigerant magnetic valve for blockage and check the 1-way valve after the passenger compartment evaporator for blockage. Rectify as necessary, clear the DTCs and retest
- If the fault persists and the compressor operating mode is 5, 13
- Using the Jaguar Land Rover approved diagnostic equipment, Perform routine - Battery Cooler
- If the fault persists, check the battery chiller magnetic valve for blockage, check the 1-way valve after the chiller for blockage. Rectify as necessary, clear the DTCs and retest
- If the fault persists and the compressor operating mode is 8, 9, 10, 12
- Set ignition to on and check datalogger signal - External Ambient Temperature (0x9924). Set climate control to maximum hot. If the fault persists, check the chiller refrigerant control expansion valve for blockage. Rectify as necessary, clear the DTCs and retest