Lexus RX (RX 350L, RX450h) 2016-2024 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 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.
(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 / Main Body, Smart Access or Back Door* / Data List.
- *: w/ Power Back Door System
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Main Body > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| ACC SW | Engine switch on (ACC) signal | OFF or ON | OFF: Engine switch off ON: Engine switch on (ACC) | - |
| IG SW | Engine switch on (IG) signal | OFF or ON | OFF: Engine switch off or on (ACC) ON: Engine switch on (IG) | - |
| RR Door Courtesy SW | Rear door courtesy light switch (for RH) signal | OFF or ON | OFF: Rear door RH closed ON: Rear door RH open | - |
| RL Door Courtesy SW | Rear door courtesy light switch (for LH) signal | OFF or ON | OFF: Rear door LH closed ON: Rear door LH open | - |
| Back Door Courtesy SW | Back door courtesy light switch signal | OFF or ON | ON: Back door open OFF: Back door closed | For vehicles with power back door system, this item is not related to back door condition. |
| FR Door Lock Pos | Front door RH unlock detection switch signal | LOCK or UNLOCK | LOCK: Front door RH locked UNLOCK: Front door RH unlocked | - |
| FR Door Courtesy SW | Front door courtesy light switch (for RH) signal | OFF or ON | OFF: Front door RH closed ON: Front door RH open | - |
| FL Door Lock Pos | Front door LH unlock detection switch signal | LOCK or UNLOCK | LOCK: Front door LH locked UNLOCK: Front door LH unlocked | - |
| FL Door Courtesy SW | Front door courtesy light switch (for LH) signal | OFF or ON | OFF: Front door LH closed ON: Front door LH open | - |
| RR-Door Lock Pos SW | Rear door RH unlock detection switch signal | OFF or ON | OFF: Rear door RH locked ON: Rear door RH unlocked | - |
| RL-Door Lock Pos SW | Rear door LH unlock detection switch signal | OFF or ON | OFF: Rear door LH locked ON: Rear door LH unlocked | - |
| Wireless Control | Wireless door lock control function | OFF or ON | Customize setting displayed | - |
| Hazard Answer Back | Hazard light answer-back of wireless function | OFF or ON | Customize setting displayed | - |
| Wireless Auto Lock | Automatic lock function | OFF or ON | Customize setting displayed | - |
| Open Door Warning | Open door warning | OFF or ON | Customize setting displayed | - |
| Unlock 2 Operation | 2 press wireless unlock function | OFF or ON | Customize setting displayed | - |
| Panic Function | Panic function | OFF or ON | Customize setting displayed | - |
| Auto Lock Time | Automatic lock time | 30 s, 60 s or 120 s | Customize setting displayed | - |
| Wireless Buzzer Resp | Buzzer answer-back of wireless function | OFF or ON | Customize setting displayed | - |
| P/W Wireless Ope Buzz | Power window buzzer answer-back of wireless function | OFF or ON | Customize setting displayed | - |
| Wireless Buzzer Vol | Wireless door lock buzzer volume | Level7, Level6, Level5, Level4, Level3, Level2, Level1 or Level0 | Customize setting displayed | - |
| Wireless Lock Function with Doors Open | Side doors reservation lock function | OFF or ON | Customize setting displayed | - |
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| # Codes | Number of DTCs | 0 to 255 | Number of stored DTCs | - |
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Courtesy SW | Back door courtesy switch signal* | OFF or ON | OFF: Back door closed ON: Back door open | - |
- *: w/ Power Back Door System
ACTIVE TEST
HINT:
Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.
(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 / Main Body / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Main Body > Active Test| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Door Lock | Door lock motor | OFF/Unlock/Lock | - |
| D-Door Unlock | Door lock motor | OFF/Unlock/Lock | - |
| Trunk and Back-Door Open | Back door lock motor | OFF/ON | - |
| Wireless Buzzer | Wireless door lock buzzer | OFF/ON | - |
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 / Smart Access / Trou ...
Diagnostic Trouble Code Chart
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To set the visor in the forward position,
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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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