Previa Van LE 4WD L4-2438cc 2.4L DOHC SC MFI (1997)
Control Module HVAC: Testing and Inspection
A/C AMPLIFIER INSPECTION
INSPECT AMPLIFIER CIRCUIT
Disconnect the connector and inspect the connector on wire harness side, as shown in the chart.
Tester condition:
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Temperature control lever MAX COOL
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Blower switch HI
If circuit is as specified, try replacing the amplifier with a new one. If the circuit is not as specified. inspect the circuits connected to other parts.