RAV4 2WD L4-2.0L (1AZ-FE) (2003)
Control Module HVAC: Testing and Inspection
AIR CONDITIONING AMPLIFIER
ON-VEHICLE INSPECTION
1. REMOVE HEATER CONTROL PANEL
2. INSPECT AMPLIFIER CIRCUIT
a. Disconnect the amplifier connector.
b. Remove the screw and amplifier from the instrument panel.
c. Inspect the connector on wire harness side as shown in the table.
Test conditions:
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Ignition switch ON
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Temperature damper control dial at "MAX. COOL" position
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Blower speed control switch at "HI" position
If circuit value is not as specified, replace the amplifier. If the circuit value is as specified, inspect the circuits connected to other parts.