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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Removal
REMOVAL PROCEDURE 1. FRONT WHEELS FACING STRAIGHT AHEAD 2. SECURE STEERING WHEEL Click here 3. REMOVE COLUMN HOLE COVER SILENCER SHEET Click here 4. DISCONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY Click here 5. REMOVE FRONT WHEELS Click here 6. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY
Inspection
INSPECTION PROCEDURE 1. INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (OSL) - 2 (OSLE) Not pressed 950 to 1050 Ω 1 (OSL) - 2 (OSLE) P
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