Corolla Sedan L4-96.8 1587cc 1.6L DOHC (4A-FE) (1989)
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Control Module HVAC: Testing and Inspection
A/C Amplifier With P/S
Amplifier Terminal ID
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."