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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Inverter Coolant Pump Speed Signal (P314A-828)
DESCRIPTION Refer to the description for DTC P0C73-776. Click here The inverter water pump assembly sends the inverter water pump speed (measured value) signal to the hybrid vehicle control ECU. If the inverter water pump speed (measured value) signal is not sent to the hybrid vehicle control ECU
Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 2 FOLD SEAT SWITCH ASSEMBLY (for Rear Side) (a) Connect the connector. (b) Attach the 2 claws to install the No. 2 fold seat switch assembly. 2. INSTALL REAR POWER SEAT SWITCH (for Rear Seat) HINT: Use the same procedure for both re
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