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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Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage. Standard voltage: 11 to 14 V (power switch off) If the voltage is below 11 V, recharge or replace the auxiliary battery.
Components
COMPONENTS ILLUSTRATION *A for RH Side - - *1 REAR NO. 1 SEAT HEADREST SUPPORT ASSEMBLY *2 REAR SEAT CUSHION MOULDING RH *3 REAR SEAT CUSHION MOULDING RH *4 REAR SEAT HEADREST ASSEMBLY *5 REAR SEAT INNER WITH CENTER BELT ASSY RH *6 REAR SEATBACK BOARD CARPET A
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