On-Vehicle Inspection
FRONT A/C EVAPORATORON-VEHICLE INSPECTION
1. INSPECT FOR LEAKAGE OF REFRIGERANT
a. Remove the glove compartment door
b. Remove the lower No.2 finish panel.
c. Remove the No.1 cooler cover.
1. Disconnect the connector clamp.
2. Remove the 8 screws and No.1 cooler cover.
d. Using a gas leak detector, check for leakage of refrigerant.
If there is leakage of refrigerant, check the tightening torque at the joints or check the evaporator.
e. Install the No.1 cooler cover.
2. INSPECT EXPANSION VALVE
a. Check quantity of gas during refrigeration cycle.
b. Set on manifold gauge set.
c. Operate A/C system at "MAX. COOL" for approx. 5 minutes.
d. Check expansion valve.
Check the low pressure reading will drop to 0 kPa (0 kg/sq.cm, 0 psi).
If the low pressure reading is not as specified, replace the expansion valve with the tubes.