HARRIER SERVICE MANUAL PART -1

HVAC 20 11. ON VEHICLE INSPECTION (WITHOUT DIS- MANTLING HVAC UNIT) Since the thermistor is mounted inside HVAC unit to conduct the above test HVAC unit has to be dismantled. Alternatively following test can be con- ducted without dismantling the HVAC unit: 1. Switch OFF the HVAC unit and allow the HVAC unit to come to ambient temperature. 2. Open the glow box & lowering Glove box lid. 3. Disconnect the Pigtail connections 4. Measure the resistance it should match to the ambient temperature. Refer graph in Inspec- tion topic. As given in the graph above (~ 5 Ohms or less for ambient temperature of 25ºC and above)