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 DCM (TELEMATICS TRANSCEIVER) Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition I183-1 (+B) - I183-20 (E) Y - W-B Power source (+B) Power switch off 11 to 14 V I183-3 (SIG-) - I183-20 (E) G - W-B Ground Alway
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Lighting System DTC No. Detection Item Link B1244 Light Sensor Circuit Malfunction B2430 LED Headlight LH Circuit Malfunction B2431 LED Headlight RH Circuit Malfunction U012587 Lost Communication with Multi-axis Acceleration
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