Pinpoint Test 5: Insufficient A/C Cooling
WARNING: This page is about a different car, the 2002 Mazda B4000, 2002 Mazda B3000, and 2002 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Make sure the heater control valve is functioning correctly before proceeding with this test. See PINPOINT TEST 2: INSUFFICIENT, ERRATIC OR NO HEAT
for information regarding the heater control valve operation.