Lexus NX: Heating / Air Conditioning

Lexus NX Service Manual / Vehicle Interior / Heating / Air Conditioning

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 Air Conditioning Amplifier

ComponentsCOMPONENTS ILLUSTRATION *1 AIR CONDITIONING AMPLIFIER ASSEMBLY *2 INNER NO. 1 INSTRUMENT PANEL BRACE COVER RH RemovalREMOVAL PROCEDURE 1. REMOVE INNER NO. 1 INSTRUMENT PANEL B

 Air Conditioning Panel

 Components

COMPONENTS ILLUSTRATION *1 AIR CONDITIONING CONTROL ASSEMBLY *2 CENTER INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY *3 COWL SIDE TRIM BOARD LH *4 DOOR SCUFF PLATE ASSEMBLY LH *5

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 ECM Power Source Circuit

DESCRIPTION When the power switch is turned on (IG), auxiliary battery voltage is applied to the IGSW terminal of the ECM. The output signal from the MREL terminal of the ECM causes current to flow to the coil of the EFI-MAIN relay, closing the contacts of the EFI-MAIN relay and supplying power to t

 Extension Module Disconnected 2 (B1543)

DESCRIPTION If the radio receiver assembly cannot detect the navigation ECU for a certain period of time (90 seconds) after the power switch is turned on (ACC) and the radio receiver assembly confirms that the information is missing by checking past navigation ECU recognition information (registered

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