Part 3

Text in Illustration

HINT
* If the switches are released within 10 seconds after the transmitter codes have been cleared, the garage door opener will enter registration mode.
* If the switches are held for 10 seconds or more after the transmitter codes have been cleared, default codes will be set to the switches of the garage door opener. Using these default codes, operation of the garage door opener can be checked using a tester.

(4) Low power mode:

If the garage door opener switch is held for 75 seconds or more, the garage door opener will enter low power mode to economize on power consumption. When the garage door opener has entered low power mode, the LED turns off.

13. DCM ACTIVATION

This function should be used to activate the DCM (Telematics Transceiver) after a new DCM (Telematics Transceiver) has been installed. During the DCM Activation process, Techstream automatically provides the telematics service provider with the new DCM (Telematics Transceiver) information and deletes the old DCM (Telematics Transceiver) information associated with the vehicle. The DCM (Telematics Transceiver) that was replaced should be returned to the parts department.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Choose "Telematics" from the System Selection Menu, and then click "Utility".

(e) Click "DCM Service" on the Utility Selection Menu.

(f) Choose "Activate DCM" and then click "Next" on the DCM Service Utility.

(g) Follow the instructions on the Techstream.

HINT
* If PRL is not latest version, utility will report that a PRL update must be performed before DCM Activation can be completed.
* If a fault occurs during DCM Activation, a specific fault message will be displayed with procedure guidelines.
* The manual (SOS) switch green indicator will turn on if activation is successful.

HINT
If the one these fault code is present, follow the procedure indicated in the following list.

* Fault 20: Try DCM Activation again.
* Fault 61: Replace the DCM (Telematics Transceiver) with a new service part and perform DCM Activation.
* Fault 62*: Verify VIN is correct in ECM. Run Vehicle Inquiry and verify VIN.
* Fault 63: Replace the DCM (Telematics Transceiver) with a new service part and perform DCM Activation.
* Fault 64*: Verify that the DCM (Telematics Transceiver) is a new service part.
* Fault 66*: Replace the DCM (Telematics Transceiver) with a new service part and perform DCM Activation.
* Fault 67: Try DCM Activation again. If the fault occurs again, wait and try again later.
* *: As the fault could also be caused by a problem in communicating with the call center, before replacing the DCM, check with the call center to determine it there is a database or communication problem.
(Call Center number for LEXUS vehicle: 800-255-3987)

(h) Push the manual (SOS) switch to call an operator and confirm that the DCM (Telematics Transceiver) is activated.

14. REGISTRATION RELATED TO SMART WITH PUSH BUTTON START

(a) DESCRIPTION OF CODE REGISTRATION

HINT
* The engine immobiliser function ID code is the same as the recognition code for the smart access system with push-button start and wireless transmitter. Registering an ID code enables the smart access system with push-button start, wireless door lock control function and engine immobiliser function to be operated.
* Code registration is needed when the certification ECU (smart key ECU assembly), ID code box (immobiliser code ECU), steering lock ECU, ECM or key is replaced with a new one.
*

This vehicle does not have a key slot. Therefore, touch the logo of the key to the engine switch to register the key, as shown in the illustration.

(b) KEY REGISTRATION PROCEDURES WHEN ADDING OR REPLACING KEY OR WHEN KEY IS LOST

HINT
* The following procedures require the use of the Techstream:
* - New key ID registration
* - Additional key ID registration
* - Key ID erasure
* A maximum of 7 keys can be registered.

(c) PART REPLACEMENT AND KEY REGISTRATION PROCEDURES

(1) If a malfunctioning ECU is discovered through troubleshooting of the smart key system, use the ECU replacement and key registration procedures in the table below.

HINT
* The following procedures require the use of the Techstream:
* - New key ID registration
* - Additional key ID registration
* - Key ID erasure
* - ECU code registration
* A maximum of 7 keys can be registered.

(d) KEY REGISTRATION PROCEDURES

(1) PROCEDURE "A"

New key ID registration (when replacing certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU), or certification ECU (smart key ECU assembly), ID code box (immobiliser code ECU) and steering lock ECU), or when performing all keys ID erasure (key code reset):

HINT
*: Repeat this process for each key which is to be registered to the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform the registration from process 1 again. Make sure that only 1 key is in the cabin during registration. If 2 or more keys are in the cabin simultaneously, the electric waves will interfere with each other, preventing normal registration.

(2) PROCEDURE "B"

New key ID registration (when replacing certification ECU (smart key ECU assembly)):

HINT
* *1: Repeat this process for each key registered to the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform the registration from process 1 again. When performing the key confirmation procedure for a key, the security indicator light comes on and remains on until all the keys are confirmed.
* *2: Repeat this process for each key which is to be registered to the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform the registration from process 1 again. Make sure that only 1 key is in the cabin during registration. If 2 or more keys are in the cabin simultaneously, the electric waves will interfere with each other, preventing normal registration.

(3) PROCEDURE "C"

Additional key ID registration:

HINT
* *1: Perform this process for one of the keys registered to the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform the registration from process 1 again.
* *2: Repeat this process for each key which is to be registered to the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform the registration from process 1 again. Make sure that only 1 key is in the cabin during registration. If 2 or more keys are in the cabin simultaneously, the electric waves will interfere with each other, preventing normal registration.

(4) PROCEDURE "D"

Key ID erasure (clear all registered key codes except one):

(6) PROCEDURE "F"

ECU code registration:

HINT
*: Perform this process for one of the keys registered to the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform the registration from process 1 again.

(7) PROCEDURE "G"

ECU communication ID registration:

NOTICE:
* The ECU communication ID should be registered when the ID code box (immobiliser code ECU), steering lock ECU or ECM is replaced in order to match the ECU communication ID.
* The engine cannot be started unless ECU communication ID is registered.
* After the registration, pressing the engine switch may not start the engine on the first try. If so, press the engine switch again.
* After the engine is started, clear DTC B2799 (code for ECM immobiliser communication error) using either of the following methods:
- Use the Techstream.
- Disconnect the cable from the negative (-) battery terminal for 30 seconds.

SST : 09843-18040

Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

Turn the engine switch on (IG) (do not start the engine) and leave it as is for 30 minutes.

Turn the engine switch off and disconnect terminals 13 (TC) and 4 (CG).

Check that the engine starts and stays on for more than 3 seconds.

(8) PROCEDURE "H"

ECU communication ID reregistration:

NOTICE:
The ECU communication ID should be registered when the ECM is replaced in order to match the ECU communication ID.

15. REGISTRATION RELATED TO OCCUPANT CLASSIFICATION

(a) REGISTRATION

NOTICE:
* If any DTCs related to the occupant classification ECU are output, troubleshoot those DTCs by referring to the Diagnostic Trouble Code Chart.
* When ECU data saving or loading operations cannot be performed, replace the No. 1 seat cushion (occupant classification ECU and occupant detection sensor).

HINT
* When the No. 1 seat cushion (occupant classification ECU) is replaced, the previous ECU data must be saved in the Techstream and loaded into the new ECU by following the flowchart below.
* Until the data from the previous ECU are loaded into the new occupant classification ECU, these data are not cleared even when the Techstream is turned off.

(1) Connect the Techstream to the DLC3.

(2) Turn the engine switch on (IG).

(3) Store the occupant classification ECU data in the Techstream by following the prompts on the Techstream screen.

HINT
If the ECU data cannot be stored in the Techstream, replace the No. 1 seat cushion (occupant classification ECU and occupant detection sensor).

(4) Turn the engine switch on (IG).

(5) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

(6) Replace the No. 1 seat cushion (occupant classification ECU).

(7) Connect the cable to the negative (-) battery terminal.

(8) Turn the engine switch on (IG).

(9) Load the data from the previous ECU stored in the Techstream into the newly installed ECU by following the prompts on the Techstream screen.

(10) Turn the engine switch off.

(11) Turn the engine switch on (IG).

(12) Clear the DTCs stored in the memory.

HINT
If DTCs are not cleared at this time, past DTCs will remain.

16. INITIALIZATION RELATED TO OCCUPANT CLASSIFICATION

NOTICE:
Make sure that the front passenger seat is not occupied before performing the operation.

HINT
Perform zero point calibration if any of the following conditions is met:

* The No. 1 seat cushion (occupant classification ECU) is replaced.
* The passenger airbag ON/OFF indicator indicates ("OFF") when the front passenger seat is not occupied.
* The vehicle is brought to the workshop for repair due to an accident or a collision.

(a) ZERO POINT CALIBRATION

(1) Zero point calibration procedures

Check that all of the following conditions are met:

* The vehicle is parked on a level surface.

* No objects are placed on the front passenger seat.

* The front passenger seat belt buckle switch is off.

Adjust the seat position according to the table below.

Connect the Techstream to the DLC3.

Turn the engine switch on (IG).

Perform zero point calibration by following the prompts on the Techstream screen.

HINT
* Refer to the Techstream operator's manual for further details.
* If the zero point calibration is performed when the calibration conditions are not satisfied, DTC B1797 is output.
* If the zero point calibration has failed, DTC B1797 is output.
* If After Exchange is selected before the previous ECU data are stored in the Techstream, the display screen returns to System Select: Body Electrical / Occupant Detection.

OK:

"Zero Point Calibration is complete" is displayed.

(b) SENSITIVITY CHECK

(1) Sensitivity check procedures

Turn the engine switch off.

Place a weight of 20 kg (44.0 lb) on the front passenger seat.

NOTICE:
* Do not allow the weight to come into contact with the seatback when placing it on the seat cushion.
* Place the weight in the area shown in the illustration.

Turn the engine switch on (IG), and wait for at least 6 seconds.

Check that the passenger airbag ON/OFF indicator indicates ("OFF").

OK:

Passenger airbag ON/OFF indicator indicates ("OFF").

Add a weight of 30 kg (66.1 lb) to the front passenger seat (total 50 kg (110.2 lb)).

NOTICE:
Do not allow the weight to come into contact with the seatback when placing it on the seat cushion.

Check that the passenger airbag ON/OFF indicator indicates ("ON").

OK:

Passenger airbag ON/OFF indicator indicates ("ON").

17. INITIALIZATION RELATED TO POWER WINDOW

(a) INITIALIZE POWER WINDOW CONTROL SYSTEM (POWER WINDOW REGULATOR MOTOR (ALL DOORS))

CAUTION:
When the power window regulator motor is reinstalled or replaced, the power window control system must be initialized. Functions such as the auto up/down, jam protection and key-off do not operate if the initialization is not performed.

HINT
When the battery is replaced, it is not necessary to initialize the power window regulator motor.

NOTICE:
* When the power window regulator motor is replaced, DTC B2313 is output. Clear the DTC after the initialization.
* When performing initialization, do not perform any other procedures.
* After a door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used, due to detection of a value different from the operation learned value of the door glass movement speed. In such cases, the auto up function can be resumed by repeating the following operation at least 5 times:
(1) Open the power window by fully pushing down the power window switch.
(2) Close the power window by fully pulling up the power window switch and holding it at the auto up position.
* If the initialization is not completed properly, the LIN communication system may have a malfunction.

(1) Initialization procedures when replacing the power window regulator motor with a new one:

Connect the battery and turn the engine switch on (IG) (at this time, the LED on the power window switch blinks to indicate that it is ready for initialization).

Fully open the window by fully pushing the power window switch, and hold the switch for 1 second or more after the window is fully opened.

Fully close the power window by fully pulling the power window switch, and hold the switch for 1 second or more after the window is fully closed to reset the glass position. The LED on the power window switch stops blinking and illuminates to indicate that the initialization is complete.

(2) Initialization procedures when removing/installing the power window regulator motor:

Connect the battery and turn the engine switch on (IG).

Fully close the power window by fully pulling the power window switch, and hold the switch for 6 seconds or more after the window is fully closed (if the power window does not move or stops halfway even when the switch is fully pulled, release the switch and fully pull it again).

Fully open the window by pushing down the power window switch, and hold the switch for 1 second or more after the window is fully opened.

Release the power window switch. Then fully push and hold the switch for 4 seconds or more.

Fully close the power window by fully pulling the power window switch, and hold the switch for 1 second or more after the window is fully closed to reset the glass position and complete the initialization.

(3) Initialization procedures when the power window does not fully open:

Connect the battery and turn the engine switch on (IG).

Fully close the power window by fully pulling the power window switch, and hold the switch for 6 seconds or more after the window is fully closed (if the power window does not move or stops halfway even when the switch is fully pulled, release the switch and fully pull it again).

Fully open the window by pushing down the power window switch, and hold the switch for 1 second or more after the window is fully opened.

Release the power window switch. Then fully push and hold the switch for 4 seconds or more.

Fully close the power window by fully pulling the power window switch, and hold the switch for 1 second or more after the window is fully closed to reset the glass position and complete the initialization.

18. INITIALIZATION RELATED TO SLIDING ROOF

(a) INITIALIZE SLIDING ROOF DRIVE GEAR

NOTICE:
* When the sliding roof glass is replaced or removed and installed, or the drive gear assembly is replaced, the sliding roof drive gear requires initialization (pulse sensor initial position setting), as the glass position cannot be determined. If initialization is not performed, the auto slide open and close/tilt up and down function may not operate, or the sliding roof may move in reverse or become misaligned.
* During initialization, do not apply a physical shock, such as opening/closing a door or driving the vehicle at 5 km/h (3.10 mph) or more, to the vehicle and do not perform the following electrical operations:
(1) Cranking the engine
(2) Turning the engine switch from on (IG) to off
(3) Operating the power window switches
(4) Operating the window defogger switch
(5) Operating the blower switch
(6) Locking/Unlocking the door
(7) Operating the headlight dimmer switch

HINT
When the cable is disconnected and reconnected to the negative (-) battery terminal or the drive gear connector is disconnected and reconnected, the sliding roof drive gear (pulse sensor initial position setting) initialization is not necessary.

(1) Perform initialization according to the table below.

Procedure A

1 Turn the engine switch on (IG).

1 Open the sliding roof to the fully tilt up position.

1 Press and hold the UP switch to perform the following operations: tilt up -> approximately 10 second pause -> tilt down -> slide open -> slide close.

NOTICE:
Make sure not to release the switch during the initialization. If the switch is released, perform the initialization again.

1 Continue to hold the switch for 1 second or more after the sliding roof stops in the fully closed position, and then release it.

1 The initialization is completed.

Procedure B

2 Turn the engine switch on (IG).

2 Press the UP switch until the sliding roof stops.

HINT
If the glass becomes misaligned or does not fully tilt up, perform the following operations:

(a) Operate the CLOSE switch until the sliding roof stops moving.
(b) Operate the UP switch until the sliding roof stops moving, then proceed to the next step.

2 Release the switch.

2 Press and hold the UP switch to perform the following operations: tilt up -> approximately 10 second pause -> tilt down -> slide open -> slide close.

NOTICE:
Make sure not to release the switch during the initialization. If the switch is released, perform the initialization again.

2 Continue to hold the switch for 1 second or more after the sliding roof stops in the fully closed position, and then release it.

2 The initialization is completed.

Procedure C

3 Turn the engine switch on (IG).

3 Press and hold the CLOSE switch to perform the following operations: slide close -> move in reverse direction -> 10 second pause -> slide close -> tilt up -> tilt down -> slide open -> slide close.

NOTICE:
Make sure not to release the switch during the initialization. If the switch is released, perform the initialization again.

3 Continue to hold the switch for 1 second or more after the sliding roof stops in the fully closed position, and then release it.

3 Check if the auto function is operative.

19. INITIALIZATION RELATED TO POWER BACK DOOR

(a) RESET BACK DOOR CLOSE POSITION

NOTICE:
Perform initialization of the power back door system (power back door ECU initialization) if one of the following is performed: 1) The cable is disconnected from the negative (-) battery terminal; 2) a wire harness, the power back door unit or back door lock is replaced or removed/installed; or 3) the ECU-B2 fuse is replaced or removed/installed. If initialization is not performed, the power back door system will not operate.

(1) When the back door is open and the cable is disconnected and reconnected to the negative (-) battery terminal, fully close the back door by hand.

HINT
Initialization is not necessary if the cable is disconnected and reconnected to the negative (-) battery terminal while the back door is closed. However, because the power back door ECU recognizes that the back door is locked, the power back door system will not operate if the back door is not unlocked.

(b) CHECK POWER BACK DOOR FUNCTION

HINT
* Proceed to Operation Check.
* If the power back door system does not operate and/or the back door does not open, disconnect the cable from the negative (-) battery terminal. Then wait 10 seconds, reconnect the cable and perform initialization of the power back door system again.