Lexus NX: Seat Heater System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Front Right Seat Heat Sensor Circuit (B14C0)
- Front Left Seat Heat Sensor Circuit (B14C1)
- Rear Right Seat Heat Sensor Circuit (B14C2)
- Rear Left Seat Heat Sensor Circuit (B14C3)
- Seat Heater Switch Circuit
- Seat Heater for Front Right Seat does not Operate
- Seat Heater for Front Left Seat does not Operate
- Seat Heater for Rear Right Seat does not Operate
- Seat Heater for Rear Left Seat does not Operate
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Precaution
PRECAUTION FOR OPERATION OF ELECTRICAL ITEMS RESTRICTED NOTICE:
If the auxiliary battery voltage is low, the seat heater system may not operate. When "High Power Consumption / Partial Limit On AC/H
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Rear Seat Heater - - *1 AIR CONDITIONING CONTROL ASSEMBLY *2 SEAT HEATER SWITCH (for Driver Side) *3 SEAT HEATER SWITCH (for Front Passenger
System Diagram
SYSTEM DIAGRAM for Front: for Rear (w/ Rear Seat Heater):
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: If the main body ECU (multiplex network body ECU) is replaced, refer to the Smart Access System with Push-button Start (for Entry Function). Click here HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are list
Door Control Switch
ComponentsCOMPONENTS ILLUSTRATION *1 DOOR CONTROL SWITCH ASSEMBLY *2 POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH FRONT DOOR ARMREST BASE PANEL *3 FRONT DOOR ARMREST BASE PANEL - - RemovalREMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for RHD and LHD vehicles
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