Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: 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 discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.
NOTICE:
In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Air Conditioner > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| FR Seat Heater Temperature | Front seat RH side seat heater temperature | -29.7°C to 59.55°C | Within range from 35 to 42°C (95 to 108°F) | Front seat heater is on |
| FL Seat Heater Temperature | Front seat LH side seat heater temperature | -29.7°C to 59.55°C | Within range from 35 to 42°C (95 to 108°F) | Front seat heater is on |
| RR Seat Heater Temperature | Rear seat RH side seat heater temperature | -29.7°C to 59.55°C | Within range from 35 to 42°C (95 to 108°F) | Rear seat heater is on |
| RL Seat Heater Temperature | Rear seat LH side seat heater temperature | -29.7°C to 59.55°C | Within range from 35 to 42°C (95 to 108°F) | Rear seat heater is on |
| Number of Trouble Codes | Number of trouble codes | 0 to 255 | Number of DTCs will be displayed | - |
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Air Conditioner / T ...
Lost Communication with Rear Panel LIN (B14B3)
DESCRIPTION The refreshing seat switch (for rear side)*1 or rear seat heater switch*2 communicates with the air conditioning amplifier assembly via LIN communication. If the LIN communication system i ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Steering Heater Switch: Removal
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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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