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Lexus NX: Seat Heater System
Lexus NX Service Manual
/
Vehicle Interior
/
Seat
/ 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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Parts Location
PARTS LOCATION ILLUSTRATION *1 NO. 1 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - AM2 FUSE *2 NO. 2 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - ECU-B NO.1 FUSE ILLUSTRATION *1 WIRELESS DOOR LOCK BUZZER *2 DOOR CONTROL RECEIVER *3 FRONT DOOR OUTSIDE HAN
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Lighting System (for Triple Beam Headlight) DTC No. Detection Item Link B1244 Light Sensor Circuit Malfunction B2414 Steering Position Sensor Malfunction B242C Right Headlight ECU Malfunction B242D Left Headlight ECU Malfunc
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