Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Customize Parameters
CUSTOMIZE PARAMETERS
CUSTOMIZE SEAT HEATER SYSTEM
HINT:
The following items can be customized.
NOTICE:
- When the customer requests a change in a function, first make sure that the function can be customized.
- Be sure to make a note of the current settings before customizing.
- When troubleshooting a function, first make sure that the function is set to the default setting.
(a) Customizing with the Techstream
(1) Connect the Techstream to the DLC3.
(2) Turn the engine switch on (IG).
(3) Turn the Techstream on.
(4) Enter the following menus: Customize Setting / Seat.
(5) Select the setting by referring to the table below.
Seat| Tester Display | Description | Default | Setting | ECU |
|---|---|---|---|---|
| FL Seat A/C and Heater Sensitivity Adjust | Function to change sensitivity of the seat heater system. | 0 | 10000:-2,01000:-1,00100:0,00010:+1,00001:+2 | Air conditioning amplifier assembly |
| FR Seat A/C and Heater Sensitivity Adjust | Function to change sensitivity of the seat heater system. | 0 | 10000:-2,01000:-1,00100:0,00010:+1,00001:+2 | Air conditioning amplifier assembly |
(b) Customizing with the Multi-display
(1) Turn the engine switch on (IG).
(2) Enter the following menus: MENU / Setup / Vehicle / Vehicle Customization / Climate Settings.
(3) Select the setting by referring to the table below.
| Display | Default | Content | Setting | Relevant ECU |
|---|---|---|---|---|
| Auto Seat Temp. FR L | 0 | Function to change sensitivity of the seat heater system. | -2 / -1 / 0 / +1 / +2 | Air conditioning amplifier assembly |
| Auto Seat Temp. FR R | 0 | Function to change sensitivity of the seat heater system. | -2 / -1 / 0 / +1 / +2 | Air conditioning amplifier assembly |
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
NEXT ...
Operation Check
OPERATION CHECK CHECK FRONT SEAT HEATER (a) Turn the engine switch on (IG). (b) Turn the refreshing seat switch (for front side) (heater position) on and check that the indicator illuminates and the s ...
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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