PARTS LOCATION
ILLUSTRATION
| *1 | ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - S/HTR F/R FUSE - S/HTR F/L FUSE - S/HTR RR FUSE | - | - |
ILLUSTRATION
| *A | w/ Climate Control Seat System | *B | w/o Climate Control Seat System |
| *1 | REFRESHING SEAT SWITCH (for Front Side) | *2 | COMBINATION METER ASSEMBLY |
| *3 | AIR CONDITIONING AMPLIFIER ASSEMBLY | *4 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 1 FUSE - ECU-IG1 NO. 3 FUSE - ECU-IG1 NO. 4 FUSE - PANEL FUSE |
| *5 | DLC3 | - | - |
ILLUSTRATION
| *A | for Standard Seat Type | *B | for Sports Seat Type |
| *1 | FRONT SEAT CUSHION HEATER RH (SEAT HEATER ASSEMBLY) | *2 | FRONT SEAT CUSHION HEATER (FRONT SEAT CUSHION PAD WITH COVER RH) |
| *3 | FRONT SEAT CUSHION HEATER LH (SEAT HEATER ASSEMBLY) | *4 | FRONT SEAT CUSHION HEATER (FRONT SEAT CUSHION PAD WITH COVER LH) |
| *5 | FRONT SEATBACK HEATER RH (SEAT HEATER ASSEMBLY) | *6 | FRONT SEATBACK HEATER (FRONT SEATBACK PAD WITH COVER RH) |
| *7 | FRONT SEATBACK HEATER LH (SEAT HEATER ASSEMBLY) | *8 | FRONT SEATBACK HEATER (FRONT SEATBACK PAD WITH COVER LH) |
| *9 | SEAT HEATER CONTROL SUB-ASSEMBLY RH | *10 | SEAT HEATER CONTROL SUB-ASSEMBLY LH |
ILLUSTRATION
| *A | w/ Rear Seat Heater (for 60/40 Split Seat Type), w/o Rear No. 2 Seat | - | - |
| *1 | REAR SEAT CUSHION HEATER LH (SEAT HEATER ASSEMBLY) | *2 | REAR SEAT CUSHION HEATER RH (SEAT HEATER ASSEMBLY) |
| *3 | REAR SEATBACK HEATER RH (SEAT HEATER ASSEMBLY) | *4 | REAR SEATBACK HEATER LH (SEAT HEATER ASSEMBLY) |
| *5 | REAR SEAT HEATER RELAY | *6 | REFRESHING SEAT SWITCH (for Rear Side) |
| *7 | SEAT HEATER CONTROL SUB-ASSEMBLY (for Rear RH Side) | *8 | SEAT HEATER CONTROL SUB-ASSEMBLY (for Rear LH Side) |
ILLUSTRATION
| *A | w/ Rear Seat Heater (for Captain Seat Type) | - | - |
| *1 | REAR SEAT CUSHION HEATER LH (SEAT HEATER ASSEMBLY) | *2 | REAR SEAT CUSHION HEATER RH (SEAT HEATER ASSEMBLY) |
| *3 | REAR SEATBACK HEATER RH (SEAT HEATER ASSEMBLY) | *4 | REAR SEATBACK HEATER LH (SEAT HEATER ASSEMBLY) |
| *5 | REAR SEAT HEATER RELAY | *6 | REAR SEAT HEATER SWITCH |
| *7 | SEAT HEATER CONTROL SUB-ASSEMBLY (for Rear RH Side) | *8 | SEAT HEATER CONTROL SUB-ASSEMBLY (for Rear LH Side) |
ILLUSTRATION
| *A | w/ Rear Seat Heater (for 60/40 Split Seat Type), w/ Rear No. 2 Seat | - | - |
| *1 | REAR SEAT CUSHION HEATER LH (SEAT HEATER ASSEMBLY) | *2 | REAR SEAT CUSHION HEATER RH (SEAT HEATER ASSEMBLY) |
| *3 | REAR SEATBACK HEATER RH (SEAT HEATER ASSEMBLY) | *4 | REAR SEATBACK HEATER LH (SEAT HEATER ASSEMBLY) |
| *5 | REAR SEAT HEATER SWITCH | *6 | REAR SEAT HEATER RELAY |
| *7 | SEAT HEATER CONTROL SUB-ASSEMBLY (for Rear RH Side) | *8 | SEAT HEATER CONTROL SUB-ASSEMBLY (for Rear LH Side) |
PrecautionLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Seat Heater System: System Description
SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the refreshing seat switch (for front side), the temperature can be controlled within the range of 35 to 42°C (95 to 108°F). (b) The refreshing seat switch indicator lights indicate seat heater operating status. (c) The seat heaters of both sea ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): PBD Touch Sensor RH Circuit (B222B)
DESCRIPTION This DTC is stored when the multiplex network door ECU detects a malfunction of the power back door sensor assembly RH touch sensor. DTC No. Detection Item DTC Detection Condition Trouble Area B222B PBD Touch Sensor RH Circuit Multiplex network door ECU detects power bac ...