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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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the wiper and washer system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT AUXILIARY BATTERY (a) Measure the auxiliary battery voltage with the power
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 2 MOULDING TAPE HINT:
When installing the No. 2 moulding tape, heat the front bumper cover and No. 2 moulding tape using a heat light.
Use the same procedure described for the other side.
Standard: Item Temperature Front Bumper Cover 20 to 30°
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