Toyota CH-R Service Manual: Registration

HINT:

• The following procedures require the use of the Techstream:
  • - New key code registration
  • - Additional key code registration
  • - Key code erasure
• A maximum of 5 key codes can be registered.

HINT:

• The following procedures require the use of the Techstream:
  • - New key code registration
  • - Additional key code registration
  • - Key code erasure
• A maximum of 5 key codes can be registered.

HINT:

• In this mode, a maximum of 2 master key codes can be registered. The master keys can be registered in any order because the transponder key ECU assembly can distinguish between different types of door control transmitter assemblies.
• New key codes must be registered with the battery connected. The ignition switch can be either ON or off.
• When a new transponder key ECU assembly is installed, key codes must be registered in the transponder key ECU assembly.

HINT:

• When the immobiliser system is operating normally and the door control transmitter assembly is pulled out, the security indicator light blinks continuously.
• If new key code registration fails, code 2-1 will be output through the security indicator light. Trying to re-register an already registered door control transmitter assembly will cause code 2-2 to be output when the door control transmitter assembly is inserted. If the number of registered key codes exceeds the maximum limit, code 2-3 will be output through the security indicator light. The output details are shown below.

HINT:

• A maximum of 5 master key codes can be re-registered.
• Additional key code registration will end if any step is not completed within the specified time.
• If the ignition key cylinder or the key cylinder set is replaced, remove the transmitter module from the original master key. Then install the transmitter module to a new key and use the new key as the master key. If necessary, use this master key to register other door control transmitter assemblies.

HINT:

• A brief outline of a key code registration procedure is shown above. For detailed information, refer to the Techstream screen.
• When the immobiliser system is operating normally and the door control transmitter assembly is pulled out, the security indicator light blinks continuously.
• If key code registration fails during additional key code registration, code 2-1 will be output through the security indicator light. Trying to re-register a previously registered door control transmitter assembly will cause code 2-2 to be output when the door control transmitter assembly is inserted into the ignition key cylinder. If the number of registered key codes exceeds the maximum limit, code 2-3 will be output through the security indicator light. Details of code output are shown in procedure "A".

HINT:

• Performing this procedure will erase all key codes except for the master key which is used for erasing the key codes. In order to use a door control transmitter assembly whose code has been erased, a new key code must be registered.
• This procedure will be canceled if each step is not completed within the specified time.

HINT:

• A brief outline of a key code registration procedure is shown above. For detailed information, refer to the Techstream screen.
• When the immobiliser system is operating normally and the door control transmitter assembly is pulled out, the security indicator light blinks continuously.

HINT:

• To perform this procedure, at least 1 door control transmitter assembly should be registered to the transponder key ECU assembly.
• This procedure can be performed using either a registered or unregistered door control transmitter assembly.

HINT:

• A brief outline of a key code registration procedure is shown above. For detailed information, refer to the Techstream screen.
• When the immobiliser system is operating normally and the door control transmitter assembly is pulled out, the security indicator light blinks continuously.

NOTICE:

• When the transponder key ECU assembly is replaced, the ECU communication ID of the ECM must be registered into the transponder key ECU assembly to match their ECU communication IDs.
• The engine cannot be started unless the ECU communication IDs match.
• Do not turn the ignition switch from ON to off 20 times or more before registering the ECU communication ID. Turning the ignition switch from ON to off 20 times or more will result in the engine not starting unless the transponder key ECU assembly is replaced with a new one.
• After registration, turning the ignition switch to the START position may not start the engine on the first try. If so, turn the ignition switch to ON again.
• After the engine is started, clear DTC B2799 (code for ECM immobiliser communication error) by either of the following:

  - Using the Techstream

  - Disconnecting the battery for 30 seconds

Problem Symptoms Table

Terminals Of Ecu

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