- - 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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SEE MORE:
Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the power switch off. Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the auxiliary battery.
Additional Key cannot be Registered
DESCRIPTION If additional registration is not possible, a malfunction in the electrical key transmitter sub-assembly, certification ECU (smart key ECU assembly), power switch, No. 2 indoor electrical key antenna assembly (front floor), steering lock ECU (steering lock actuator assembly) or door cont
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