Avalon XL V6-3.0L (1MZ-FE) (1997)
Control Module HVAC: Testing and Inspection
Manual A/C
AMPLIFIER INSPECTION (Manual A/C)
INSPECT AMPLIFIER CIRCUIT
1. Disconnect the amplifier connector and inspect the connector on wire harness side. as shown in the chart.
Test conditions:
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Ignition switch ON
-
Temperature control dial MAX COOL
-
Blower control lever 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.
2. Connect the connector to A/C amplifier and inspect wire harness side connector from the back side, as shown in the chart.
Test conditions
-
Ignition switch ON
-
A/C switch ON
-
Temperature control dial MAX COOL
-
Blower control lever HI
If circuit is not as specified, replace the A/C amplifier.