Lexus NX: System Diagram

SYSTEM DIAGRAM

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 How To Proceed With Troubleshooting

PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CONFIRM PROBLEM SYMPTOMS NEXT 3. CUSTOMER PROBLEM ANALYSIS (a) Check if the vehicle has be

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. CHECK AUXILIARY BATTERY (a) Check that the auxiliary battery cables are connected to the correct terminals. HINT: If they are not, connect them properly. (b) Check t

 Networking

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 Headlight Dimmer Switch Circuit

DESCRIPTION The main body ECU (multiplex network body ECU) receives light control switch signals, dimmer switch signals, fog light switch signals from the headlight dimmer switch. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Recognition code registration is necessary when replacing the main bo

 Air Inlet Damper Control Servo Motor Circuit (B1442)

DESCRIPTION The No. 1 blower damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal, reverse) based on the signals to move the air inlet mode selection No. 1 blower da

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