INITIALIZATION
RESET TRANSAXLE COMPENSATION CODE
NOTICE:
HINT:
The ECM (ECT) memorizes the vehicle conditions when controlling the automatic transaxle assembly and engine assembly.
Therefore, if the automatic transaxle assembly or ECM has been replaced, it is necessary to reset the memory so that the ECM can memorize the new information. The reset procedure is as follows:
(a) Make sure the shift lever is in P or N.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Transmission / Utility / A/T Code Reset.
Powertrain > Transmission > Utility Tester Display |
---|
A/T Code Reset |
(f) Press "Next" again to proceed.
NOTICE:
After the transaxle compensation code is initialized, perform Reset Memory and Perform Road Test to Allow ECM to Learn.
(g) Press "Exit".
RESET MEMORY
NOTICE:
HINT:
The ECM (ECT) memorizes the vehicle conditions when controlling the automatic transaxle assembly and engine assembly.
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Transmission / Utility / Reset Memory.
Powertrain > Transmission > Utility Tester Display |
---|
Reset Memory |
(e) Press "Next".
NOTICE:
After performing Reset Memory, be sure to perform Perform Road Test to Allow ECM to Learn.
PERFORM ROAD TEST TO ALLOW ECM TO LEARN
CAUTION:
(a) The Road Test procedure is as follows:
(1) Warm up the engine.
(2) According to the replaced parts, perform the appropriate road test shown below.
Replaced Parts | Road Test |
---|---|
| Perform pattern 1, 2 and 3 Pattern 1:*1
Pattern 2:
Pattern 3:*2
|
| Perform pattern 1 and 3 Pattern 1:*1
Pattern 3:*2
|
HINT:
Move the shift lever to M and select 5th gear.
Release the accelerator pedal and allow the vehicle to decelerate gradually.
When the vehicle decelerates to approximately 50 km/h (31 mph), downshift to 4th gear.
When the vehicle decelerates to approximately 40 km/h (25 mph), downshift to 3rd gear.
When the vehicle decelerates to approximately 30 km/h (19 mph), downshift to 2nd gear.
NOTICE:
(3) Repeat the road test until the shift shock and engine speed overrun (engine speed flare when shifting) reach an acceptable level.
NOTICE:
When repeating the acceleration/deceleration cycle of a road test pattern, bring the vehicle to a complete stop before accelerating again.
Lexus RX (RX 350L, RX450h) 2016-2022 Owners Manual > Using the other interior
features: Garage door opener
The garage door opener can be programmed to operate garage doors,
gates,
entry doors, door locks, home lighting systems, security systems, and other
devices.
Programming the HomeLink
The HomeLink wireless control system in your vehicle has 3 buttons which can
be programmed to operate 3 differ ...
Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Steering Lock System: System Diagram
SYSTEM DIAGRAM Circuit Description Component Outline Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly)
The steering is locked and unlocked by communicating with the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) via LIN communicati ...