Lexus NX: System Diagram
SYSTEM DIAGRAM
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System Description
SYSTEM DESCRIPTION SEAT BELT WARNING SYSTEM DESCRIPTION HINT: The front seat belt warning light on the combination meter assembly is used for both the driver side seat and front passenger side seat. (
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use this procedure to troubleshoot the seat belt warning system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK INSPECT DRIVER SIDE SEAT BELT WARNING LIGHT HINT: The front seat belt warning light on the combination meter assembly is used for both the driver side seat and front passenger side sea
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Terminals Of Ecu
TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *1 Main Body ECU (Multiplex Network Body ECU) - - (a) Measure the voltage and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Wiring C
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT ENGINE COOLANT Click here 2. INSPECT ENGINE OIL Click here 3. INSPECT AUXILIARY BATTERY Click here 4. INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY (a) Remove the air cleaner cap sub-assembly. (b) Remove the air cleaner filter element sub-assembly.
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