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Home >> Lexus >> 1998 >> LX 470 V8-4.7L (2UZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Relays and Modules - HVAC >> Control Module HVAC >> Testing and Inspection
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Control Module HVAC: Testing and Inspection

REMOVE THESE PARTS:
a. Rear door scuff plate RH
b. Rear floor mat support plate
c. Quarter trim panel RH




REMOVE A/C AMPLIFIER
a. Disconnect the connectors.
b. Remove the 2 screws and amplifier.













INSPECT REAR A/C AMPLIFIER CIRCUIT
Connect the connector to amplifier and inspect the wire harness connector from the back side, as shown in the chart.

Test condition:
^ Turn ignition switch to ON

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.
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