- - RR S-HTR RELAY (w/ Rear Seat Heater)
Lexus NX: 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 Side) | *4 | NO. 3 RELAY BLOCK |
| *5 | REFRESHING SEAT SWITCH | *6 | AIR CONDITIONING AMPLIFIER ASSEMBLY |
| *7 | DLC3 | *8 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
| *9 | COMBINATION METER ASSEMBLY | - | - |
ILLUSTRATION
| *1 | SEPARATE TYPE FRONT SEAT CUSHION COVER RH | *2 | SEPARATE TYPE FRONT SEAT CUSHION COVER LH |
| *3 | SEPARATE TYPE FRONT SEATBACK COVER LH | *4 | SEPARATE TYPE FRONT SEATBACK COVER RH |
| *5 | SEAT HEATER CONTROL SUB-ASSEMBLY RH | *6 | SEAT HEATER CONTROL SUB-ASSEMBLY LH |
ILLUSTRATION
| *A | w/ Rear Seat Heater | - | - |
| *1 | BENCH TYPE REAR SEAT CUSHION COVER | *2 | SEPARATE TYPE REAR SEATBACK COVER LH |
| *3 | SEPARATE TYPE REAR SEATBACK COVER RH | *4 | SEAT HEATER CONTROL SUB-ASSEMBLY RH |
| *5 | SEAT HEATER CONTROL SUB-ASSEMBLY LH | - | - |
ILLUSTRATION
| *1 | NO. 2 ENGINE ROOM RELAY BLOCK
| - | - |
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System Diagram
SYSTEM DIAGRAM for Front: for Rear (w/ Rear Seat Heater):
System Description
SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the seat heater switch on the air conditioning control assembly, the temperature can be controlled within the range of 32 to 43°C (89 to 109°F).
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the seat heater system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Precaution
PRECAUTION PRECAUTION FOR REPLACEMENT (a) Always prepare a new bulb for immediate replacement. While replacing a bulb, the lens may attract dust and moisture if removed from the vehicle for a long time. (b) Always replace a bulb with another bulb of the same wattage. (c) If only replacing the bulb o
Screen Flicker or Color Distortion
PROCEDURE 1. CHECK DISPLAY SETTING (a) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. OK END (DISPLAY SETTING WAS CAUSE OF MALFUNCTION) NG PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TA
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