Corolla Wagon L4-107.5 1762cc 1.8L DOHC (7A-FE) (1993)
Control Module HVAC: Testing and Inspection
AC Amplifier Terminal ID
AC Amplifier Circuit Checks
1.
Disconnect amplifier and check connector on wire harness side as shown on the chart.
2.
If circuit is as specified but the problem still exists, replace the amplifier.
TEST CONDITIONS
1.
Ignition switch: "ON."
2.
Temperature control dial: "MAX COOL."
3.
Blower control: "HI."