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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Installation
INSTALLATION PROCEDURE 1. INSTALL REAR BUMPER SIDE SUPPORT LH (a) Attach the 2 claws to install the rear bumper side support LH. (b) Attach the clip. (c) Install the screw. 2. INSTALL REAR BUMPER SIDE SUPPORT RH HINT: Use the same procedure as for the LH side. 3. INSTALL REAR BUMPER S
Lost Communication with Rear Gate Module (U0230)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0230 Lost Communication with Rear Gate Module There is no communication from the multiplex network door ECU.
Power source circuit of multiplex network door ECU
Multiplex network door EC
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