Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Customize Parameters
CUSTOMIZE PARAMETERS
CUSTOMIZE AIR CONDITIONING SYSTEM
(a) Customizing with the Techstream.
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.
HINT:
The following items can be customized.
(1) Connect the Techstream.
(2) Turn the engine switch on (IG).
(3) Turn the Techstream on.
(4) Enter the following menus: Customize Setting / Air Conditioner.
(5) Select the setting by referring to the table below.
Air Conditioner| Tester Display | Description | Default | Setting | ECU |
|---|---|---|---|---|
| S-FLOW Control Auto Function | Function to turn the S-FLOW control on automatically when the engine switch is turned on (IG) | ON | 0:ON,1:OFF | Air conditioning amplifier assembly |
| Set Temperature Shift | Function to perform control with the shifted temperature versus the displayed temperature | Normal | 00001:-2C,00010:-1C,00100:Normal,01000:+1C,10000:+2C | Air conditioning amplifier assembly |
| Evaporator Control | Function to set the evaporator control to the automatic position (AUTO) to save power or to the coldest position (MANUAL) to dehumidify the air and to prevent the windows from fogging up | Automatic | 0:Automatic,1:Manual | Air conditioning amplifier assembly |
| Compressor Mode | Function to turn the A/C on automatically by pressing the AUTO button when the blower is on and the A/C is off | Automatic | 0:Automatic,1:Manual | Air conditioning amplifier assembly |
| Foot/DEF Auto Mode | Function to turn the airflow to foot/defroster automatically when AUTO mode is on | ON | 0:ON,1:OFF | Air conditioning amplifier assembly |
| Foot/DEF Automatic Blow Up Function | Function to increase the blower level automatically when the defroster is on | ON | 0:ON,1:OFF | Air conditioning amplifier assembly |
| Ambient Temperature Shift | Function to display the shifted ambient temperature versus the actual ambient temperature | Normal | 0000001:-3C,0000010:-2C,0000100:-1C,0001000:Normal,0010000:+1C,0100000:+2C,1000000:+3C | Air conditioning amplifier assembly |
| Emission Gas Sensor Shift | Function to change the sensitivity of the smog ventilation sensor* | Normal | 0000001:Much Less,0000010:Less,0000100:Little Less,0001000:Normal,0010000:Little More,0100000:More,1000000:Much More | Air conditioning amplifier assembly |
| ECO MODE Cancel | Function to cancel ECO mode when set to ON | ON | 0:OFF,1:ON | Air conditioning amplifier assembly |
| Refrigerant Shortage Check | Function to cancel the refrigerant shortage check (check performed during normal operation) when set to ON | ON | 0:ON,1:OFF | Air conditioning amplifier assembly |
| Fan speed increment control | Function to set the speed to reach the target blower fan speed when AUTO mode is on | Normal | 001:Slow,010:Normal,100:Fast | Air conditioning amplifier assembly |
| Outside Air Mode Auto Switch Function | Function to automatically change the air inlet to FRESH mode when the engine switch is off for 60 seconds | ON | 0:ON,1:OFF | Air conditioning amplifier assembly |
- *: w/ Smog Ventilation Sensor
(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.
Climate Settings| Display | Default | Content | Setting | ECU |
|---|---|---|---|---|
| Smog Sensor Sensitivity* | 0 | Function to change the sensitivity of the smog ventilation sensor | -3, -2, -1, 0, +1, +2, +3 | Air conditioning amplifier assembly |
| Auto A/C Mode | On | Function to turn the A/C on automatically by pressing the AUTO button when the blower is on and the A/C is off | On or Off | Air conditioning amplifier assembly |
- *: w/ Smog Ventilation Sensor
(4) Enter the following menus: MENU / Setup / Vehicle / Drive Mode Customization / Drive Mode Settings.
(5) Select the setting by referring to the table below.
Drive Mode Settings| Display | Default | Content | Setting | ECU |
|---|---|---|---|---|
| CLIMATE | NORMAL | Function to cancel ECO mode when set to ON | NORMAL or ECO | Air conditioning amplifier assembly |
System Description
SYSTEM DESCRIPTION GENERAL The air conditioning system has the following controls. Control Outline Neural Network Control This control is capable of performing complex control by artificial ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the air conditioning system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Ambient Light(for Front Door): Removal
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Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE FRONT DOOR INSIDE HANDLE BEZEL PLUG Click here 2. REMOVE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WITH FRONT DOOR UPPER ARMREST BASE ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Occupant Classification System: Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis ...
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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