Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Data List / Active Test
DATA LIST / ACTIVE TEST
NOTICE:
In the table below, 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.
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.
DATA LIST
(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 / Central Gateway / Data List.
Body Electrical > Central Gateway > Data List| Tester Display |
|---|
| IG2 SW |
| IG1 SW |
| ACC SW |
| +B Voltage |
(e) According to the display on the Techstream, read the Data List.
Body Electrical > Central Gateway > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| IG2 SW | Engine switch ON (IG) signal (IG2 terminal) | OFF or ON | OFF: Engine switch ACC or off ON: Engine switch ON (IG) | - |
| IG1 SW | Engine switch ON (IG) signal (IG1 terminal) | OFF or ON | OFF: Engine switch ACC or off ON: Engine switch ON (IG) | - |
| ACC SW | Engine switch ACC signal (ACC terminal) | OFF or ON | OFF: Engine switch off ON: Engine switch ACC or ON (IG) | - |
| +B Voltage | Battery voltage (BATT terminal) | Over 8 V or Under 8 V | Over 8 V: Battery voltage 8 V or higher Under 8 V: Battery voltage below 8 V | - |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT PRECAUTIONS WHEN TROUBLESHOOTING NOTICE:
Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with ...
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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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