Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Registration

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System(for Start Function, Hv Model) / Registration

REGISTRATION

PROCEDURE

1. REPAIR INSTRUCTION

CAUTION:

As weak radio waves are emitted from the electrical key transmitter sub-assembly, if a pacemaker is being used, be sure to read the pacemaker instruction manual and the following.

  • People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrillators should keep away from the smart key system antennas. The radio waves may affect the operation of such devices. If necessary, the entry function can be disabled. Ask your dealer for details, such as the frequency of radio waves and timing of the emitted radio waves. Then, consult your doctor to see if you should disable the entry function.

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  • User of any electrical medical device other than implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrillators should consult the manufacturer of the device for information about its operation under the influence of radio waves. Radio waves could have unexpected effects on the operation of such medical devices.
  • Ask your dealer for details for disabling the entry function.

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NOTICE:

PRECAUTION WHEN REPLACING PARTS

  • Code registration is necessary when any of the following parts is replaced with a new one. After replacing a part, any part that has performed registration cannot be returned.
    • Certification ECU (smart key ECU assembly)
    • Steering lock ECU (steering lock actuator or upper bracket assembly)
    • Electrical key transmitter sub-assembly
    • Main body ECU (multiplex network body ECU)
    • DCM (telephone transceiver assembly)*
      • *: for Toyota Entune Remote Connect Compatible Type

PRECAUTION FOR REGISTRATION

  • Make sure that only 1 electrical key transmitter sub-assembly is in the cabin during registration procedures. If 2 or more electrical key transmitter sub-assemblies are in the cabin simultaneously, the electric waves will interfere with each other, preventing normal registration.
  • A maximum of 7 electrical key transmitter sub-assemblies can be registered (this includes any electrical key transmitter sub-assemblies registered when the vehicle was purchased).
  • If the auxiliary battery is depleted during the electrical key transmitter sub-assembly registration procedure, there may be cases in which the electrical key transmitter sub-assembly cannot be registered again. Therefore, make sure to perform work with a sufficiently charged auxiliary battery.
  • If any of the work times are exceeded, finish the procedure.
  • Do not disconnect the auxiliary battery during the Registration.
  • Do not perform operations that create an electrical load such as operating the power windows.
  • If "Smart Key System" is canceled, registration cannot be performed.

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2. EXPLANATION OF IMMOBILISER KEY ID REGISTRATION PROCEDURE

(a) Addressing customer requests (perform work in chart below in order starting from left)

Customer Request/Condition

Undesignated key permanent erasure

All keys ID erasure (key code reset)

New key ID registration

Additional key ID registration

Refer to PROCEDURE

"5"

"6"

"3"

"4"

All electrical key transmitter sub-assemblies are lost

-

-

Registering additional electrical key transmitter sub-assembly

-

-

-

Making a lost electrical key transmitter sub-assembly unusable

-

-

-

(b) Addressing malfunctions 1 (perform work in chart below in order starting from left)

Certification ECU (smart key ECU assembly) malfunction

Condition

(The number of the electrical key transmitter sub-assemblies customer has brought)

Undesignated key permanent erasure

Replace certification ECU (smart key ECU assembly)

Replace steering lock ECU (steering lock actuator or upper bracket assembly)

New key ID registration

ECU code registration

ECU communication ID registration

Remote engine start and stop registration*

Refer to PROCEDURE

"5"

for Manual Tilt and Manual Telescopic Steering Column:

for Power Tilt and Power Telescopic Steering Column:

"3"

"7"

"8"

"10"

All electrical key transmitter sub-assemblies

-

-

-

At least 1 electrical key transmitter sub-assembly

(Key ID codes can be registered and cleared)

-

-

At least 1 electrical key transmitter sub-assembly

(Key ID codes cannot be either registered or cleared)

-

-

All electrical key transmitter sub-assemblies are lost

-

-

*: for Toyota Entune Remote Connect Compatible Type

(c) Addressing malfunctions 2 (perform work in chart below in order starting from left)

Steering lock ECU (steering lock actuator or upper bracket assembly) malfunction

Condition

(The number of the electrical key transmitter sub-assemblies customer has brought)

Undesignated key permanent erasure

Replace certification ECU (smart key ECU assembly)

Replace steering lock ECU (steering lock actuator or upper bracket assembly)

New key ID registration

ECU code registration

ECU communication ID registration

Remote engine start and stop registration*

Refer to PROCEDURE

"5"

for Manual Tilt and Manual Telescopic Steering Column:

for Power Tilt and Power Telescopic Steering Column:

"3"

"7"

"8"

"10"

At least 1 electrical key transmitter sub-assembly

-

-

-

-

-

All electrical key transmitter sub-assemblies are lost

-

-

*: for Toyota Entune Remote Connect Compatible Type

(d) Addressing malfunctions 3 (perform work in chart below in order starting from left)

Electrical key transmitter sub-assemblies malfunction

Condition

(The number of the electrical key transmitter sub-assemblies customer has brought)

Undesignated key permanent erasure

All keys ID erasure (Key code reset)

New key ID registration

Additional key ID registration

Refer to PROCEDURE

"5"

"6"

"3"

"4"

One or more electrical key transmitter sub-assembly that operates normally

-

-

All electrical key transmitter sub-assembly lost or any electrical key transmitter sub-assembly does not operate normally

-

-

*: for Toyota Entune Remote Connect Compatible Type

(e) Addressing malfunctions 4 (perform work in chart below in order starting from left)

Malfunctioning ECU

Condition

Replace hybrid vehicle control ECU

Replace main body ECU (multiplex network body ECU)

Replace DCM (telephone transceiver assembly)

ECU code registration

ECU communication ID registration

Remote door lock and unlock registration

Remote engine start and stop registration*

Refer to PROCEDURE

"7"

"8"

"9"

"10"

Hybrid vehicle control ECU

When replacing a new one

-

-

-

-

-

-

When replacing a used one

-

-

-

-

-

Main body ECU (multiplex network body ECU)

When replacing a new one

-

-

-

-

DCM (telephone transceiver assembly)*

When replacing a new one

-

-

-

-
  • *: for Toyota Entune Remote Connect Compatible Type

3. NEW KEY ID REGISTRATION

NOTICE:

  • When the certification ECU (smart key ECU assembly) is replaced, register all electrical key transmitter sub-assemblies used by the customer.
  • Registered electrical key transmitter sub-assemblies other than those registered during the certification ECU (smart key ECU assembly) replacement cannot be re-registered, and therefore they can no longer be used.
  • Immediately after replacing the certification ECU (smart key ECU assembly), the Techstream item "Number of Registered Codes" should change to "0". If this item does not change to "0", the certification ECU (smart key ECU assembly) may be registered to another vehicle. A certification ECU (smart key ECU assembly) which is registered to another vehicle cannot be used.

Process

Procedure

Time limit

(seconds)

1. Start of registration
  1. Power switch off.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).

    HINT:

    The power switch cannot be turned on (IG) more than 10 times. To continue electrical key transmitter sub-assembly registration procedure with the power switch off, use the method below:

    • When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins.
  4. Turn the Techstream on.
  5. Enter the following menus: Body Electrical / Smart Key / Utility / Smart Code Registration

-

2. Get Pass-Code
  1. According to the display on the Techstream, obtain the Pass-Code using online authentication or proxy authentication.

    NOTICE:

    After obtaining the Pass-Code, do not turn off the Techstream until registration is completed. If the Techstream is turned off before registration is completed, obtain the Pass-Code once more.

-

3. Confirmation of all registered electrical key transmitter sub-assemblies

(When only the certification ECU (smart key ECU assembly) is replaced)
  1. While facing the logo side of a registered electrical key transmitter sub-assembly toward the power switch, hold the electrical key transmitter sub-assembly near power switch.
  2. Confirm that the wireless door lock buzzer sounds once (short beep).
  3. Repeat procedure 1 and 2 of this process for all the previously registered electrical key transmitter sub-assemblies.

HINT:

When performing the electrical key transmitter sub-assembly confirmation procedure the security indicator light comes on and remains on until all the electrical key transmitter sub-assemblies are confirmed.

30

4. Verification of unregistered electrical key transmitter sub-assembly
  1. While facing the logo side of an unregistered electrical key transmitter sub-assembly toward the power switch, hold the electrical key transmitter sub-assembly near the power switch.
  2. Confirm that the wireless door lock buzzer sounds twice (short beep).
  3. Repeat procedure 1 and 2 of this process for allelectrical key transmitter sub-assemblies to register.

30

5. End of registration

Finish new key ID code registration.

-

4. ADDITIONAL KEY ID REGISTRATION

NOTICE:

If an electrical key transmitter sub-assembly has recently been registered, the new key registration warning message will be displayed on the multi-information display and cannot be cleared for 10 days.*

This message is displayed to inform the user that an electrical key transmitter sub-assembly has been registered and help prevent the vehicle from being stolen if the registration was unauthorized.

  • *: Display of the warning message will be suspended when any of the following conditions is met:
    • The warning message has been displayed for 60 seconds.
    • All of the doors are closed and locked.
    • Power switch is turned on (IG).

Process

Procedure

Time limit

(seconds)

1. Start of registration
  1. Power switch off.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).

    HINT:

    The power switch cannot be turned on (IG) more than 10 times. To continue electrical key transmitter sub-assembly registration procedure with the power switch off, use the method below:

    • When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins.
  4. Turn the Techstream on.
  5. Enter the following menus: Body Electrical / Smart Key / Utility / Smart Code Registration

-

2. Get Pass-Code
  1. According to the display on the Techstream, obtain the Pass-Code using online authentication or proxy authentication.

    NOTICE:

    After obtaining the Pass-Code, do not turn off the Techstream until registration is completed. If the Techstream is turned off before registration is completed, obtain the Pass-Code once more.

-

3. Confirmation of registered electrical key transmitter sub-assemblies
  1. While facing the logo side of a registered electrical key transmitter sub-assembly toward the power switch, hold the electrical key transmitter sub-assembly near power switch.
  2. Confirm that the wireless door lock buzzer sounds once (short beep).

HINT:

When checking registered electrical key transmitter sub-assemblies, check using an electrical key transmitter sub-assembly that is registered to the vehicle.

30

4. Verification of unregistered electrical key transmitter sub-assembly
  1. While facing the logo side of an unregistered electrical key transmitter sub-assembly toward the power switch, hold the electrical key transmitter sub-assembly near the power switch.
  2. Confirm that the wireless door lock buzzer sounds twice (short beep).
  3. Repeat procedure 1 and 2 of this process for all electrical key transmitter sub-assemblies to register.

30

5. End of registration

Finish additional key ID code registration.

-

5. UNDESIGNATED KEY PERMANENT ERASURE

NOTICE:

If Undesignated Key Permanent Erasure is performed, previously registered electrical key transmitter sub-assemblies cannot be re-registered, and therefore they can no longer be used.

HINT:

Undesignated Key Permanent Erasure can be used to delete and disable all key IDs other than the electrical key transmitter sub-assemblies selected during "confirmation of registered electrical key transmitter sub-assemblies to keep (process No. 3)".

Process

Procedure

Time limit

(seconds)

1. Start of erasure
  1. Power switch off.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).
  4. Turn the Techstream on.
  5. Enter the following menus: Body Electrical / Smart Key / Utility / Undesignated Key Permanent erasure
  6. Input the number of keys to keep and check that the number of electrical key transmitter sub-assemblies to delete is correct.

-

2. Get Pass-Code
  1. According to the display on the Techstream, obtain the Pass-Code using online authentication or proxy authentication.

    NOTICE:

    After obtaining the Pass-Code, do not turn off the Techstream until registration is completed. If the Techstream is turned off before registration is completed, obtain the Pass-Code once more.

-

3. Confirmation of registered electrical key transmitter sub-assemblies to keep
  1. While facing the logo side of a registered electrical key transmitter sub-assembly toward the power switch, hold the electrical key transmitter sub-assembly near power switch.
  2. Confirm that the wireless door lock buzzer sounds once (short beep).

HINT:

The security indicator light illuminates when all the registered electrical key transmitter sub-assemblies to keep areconfirmed.

30

4. Erasure of key ID
  1. Double-check the number of electrical key transmitter sub-assembly to delete, and then press the delete button.

-

5. Confirmation of ECU code
  1. Check that "confirmation of ECU code" is shown on the Techstream.

HINT:

The security indicator light goes off when confirmation of ECU code is completed.

-

6. Erasure of ID code
  1. Check that "ID code deletion is completed" is shown on the Techstream.

-

7. End of erasure

Finish key ID erasure.

-

6. ALL KEYS ID ERASURE (KEY CODE RESET)

NOTICE:

Do not perform "Smart Code Reset" (all key ID erasure) until all of the malfunctions and symptoms have been confirmed and resolved. If all key ID erasure is performed without confirming or resolving malfunctions, key registration will be unable to be performed, resulting in unnecessary part replacement.

Process

Procedure

Time limit

(seconds)

1. Start of registration
  1. Power switch off.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).

    HINT:

    The power switch cannot be turned on (IG) more than 10 times. To continue electrical key transmitter sub-assembly registration procedure with the power switch off, use the method below:

    • When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins.
  4. Turn the Techstream on.
  5. Enter the following menus: Body Electrical / Smart Key / Utility / Smart Code Registration
  6. Read "Seed Number" sent from TIS according to Techstream screen.
  7. Input "Pass-Code Number" sent from TIS according to Techstream screen.

-

2. Get Pass-Code
  1. According to the display on the Techstream, obtain the Pass-Code using online authentication or proxy authentication.

NOTICE:

After obtaining the Pass-Code, do not turn off the Techstream until erasure is completed. If the Techstream is turned off before erasure is completed, obtain the Pass-Code once more.

-

3. Erasure of ID code
  1. Perform operation according to prompts on the Techstream screen.
  2. Wait for 15 minutes.

-

4. End of erasure

Finish key ID code erasure.

-

7. ECU CODE REGISTRATION

Process

Procedure

Time limit

(seconds)

1. Start of registration
  1. Power switch off.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).
  4. Turn the Techstream on.
  5. Enter the following menus: Body Electrical / Smart Key / Utility / ECU Communication ID Registration / ID code box and Steering Lock

-

2. Confirmation of registered electrical key transmitter sub-assemblies
  1. While facing the logo side of a registered electrical key transmitter sub-assembly toward the power switch, hold the electrical key transmitter sub-assembly near power switch.
  2. Confirm that the wireless door lock buzzer sounds once (short beep).

HINT:

When checking registered electrical key transmitter sub-assemblies, check using an electrical key transmitter sub-assembly that is registered to the vehicle.

30

3. Registration of ECU code
  1. Perform operations according to prompts on the Techstream screen.

-

4. End of registration

Finish ECU code registration.

-

8. ECU COMMUNICATION ID REGISTRATION

Process

Procedure

1. Start of registration
  1. Power switch off.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).

    HINT:

    The security indicator light goes off.

  4. Turn the Techstream on.
  5. Enter the following menus: Powertrain / Hybrid Control / Active Test / TC Terminal
  6. Turn the TC terminal ON to send a TC ON forced operation request.

2. ECU communication ID registration
  1. After 30 minutes or more have elapsed, Enter the following menus: Powertrain / Hybrid Control / Active Test / TC Terminal
  2. Turn the TC terminal OFF to send a TC ON forced operation cancellation request.
  3. Turn the power switch off.

    HINT:

    The security indicator light blinks.

3. Confirmation of registration
  1. Turn the power switch on (IG).

    HINT:

    The security indicator light goes off.

  2. Check that the hybrid control system starts and stays for more than 3 seconds.

    NOTICE:

    • Do not open and close any doors. If any doors are opened and closed, start the registration over again from the procedure 1 of this process.
    • There are cases in which the hybrid control system will not start on the first attempt after completing ECU communication ID code registration. However, this is not a malfunction, as the hybrid control system can be started normally from the second start attempt.

4. Clear DTC
  1. After confirming that the hybrid control system starts, use the Techstream to clear DTC B279986 "Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid".

5. End of registration

Finish ECU communication ID registration.

9. REMOTE DOOR LOCK AND UNLOCK REGISTRATION

Process

Procedure

1. Start of registration
  1. Power switch off.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).
  4. Turn the Techstream on.
  5. Enter the following menus: Body Electrical / Main Body / Utility / Remote Door Lock Setting

2. Registration of remote door lock and unlock
  1. Perform operations according to prompts on the Techstream screen.

3. End of registration

Finish remote door lock and unlock registration.

10. REMOTE ENGINE START AND STOP REGISTRATION

Process

Procedure

1. Start of registration
  1. Power switch off.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).
  4. Turn the Techstream on.
  5. Enter the following menus: Body Electrical / Smart Key / Utility / ECU Communication ID Registration / ID code box and Steering Lock

2. Registration of remote engine start and stop
  1. Perform operations according to prompts on the Techstream screen.

3. End of registration

Finish remote engine start and stop registration.
    Problem Symptoms Table

    Security Indicator Light Does not Blink

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