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, Master Switch 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

OFF: Back door closed

ON: Back door open

For vehicles with power back door system, this item is not related to back door condition.

Back Door Open

Back door lock signal

Prohibt or Permit

Prohibt: Back door locked

Permit: Back door unlocked

-

Back Door Open SW

Back door opener switch signal

OFF or ON

OFF: Back door opener switch not pushed

ON: Back door opener switch pushed

-

Door Lock SW-Lock

Power window regulator switch assembly lock signal

OFF or ON

OFF: Lock side of power window regulator switch assembly not pushed

ON: Lock side of power window regulator switch assembly pushed

-

Door Lock SW-Unlock

Power window regulator switch assembly unlock signal

OFF or ON

OFF: Unlock side of power window regulator switch assembly not pushed

ON: Unlock side of power window regulator switch assembly pushed

-

Door Key SW-Lock

Driver door key-linked lock / unlock switch lock signal

OFF or ON

OFF: Driver door key cylinder not turned to lock position

ON: Driver door key cylinder turned to lock position

-

D Door Key SW-UL

Driver door key-linked lock / unlock switch unlock signal

OFF or ON

OFF: Driver door key cylinder not turned to unlock position

ON: Driver door key cylinder turned to unlock position

-

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

-

Unlock Key Twice

Key-linked 2-step unlock function

OFF or ON

Customize setting displayed

-

Automatic Door Lock Function

Automatic door lock function

OFF, Link Shift or Link Speed

Customize setting displayed

-

Automatic Door Unlock Function

Automatic door unlock function

OFF, Link D-door or Link Shift

Customize setting displayed

-

The Number of DTC

Number of trouble codes

0 to 255

Number of stored DTCs displayed

-

Body Electrical > Master Switch > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Door Lock Switch Status

Multiplex network master switch assembly lock signal

OFF or ON

OFF: Lock side of multiplex network master switch assembly not pushed

ON: Lock side of multiplex network master switch assembly pushed

-

Door Unlock Switch Status

Multiplex network master switch assembly unlock signal

OFF or ON

OFF: Unlock side of multiplex network master switch assembly not pushed

ON: Unlock side of multiplex network master switch assembly pushed

-

Body Electrical > Back Door > Data List

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

Driver door lock motor

OFF/ON

-

Trunk and Back-Door Open

Back door lock motor

OFF/ON

-

Shock Detection Unlock

Operate door lock motor

UNLOCK/LOCK

-

    Terminals Of Ecu
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    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 / Main Body / Trouble ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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