Toyota Corolla Cross: Precaution

PRECAUTION

PRECAUTION FOR REPLACING PART

(a) After replacing the radio and display receiver assembly or DCM (telematics transceiver), some functions and services may not be available after the ignition switch to ACC for first time or second time. Make sure to perform the following operations.

(1) Turn the ignition switch to ACC and wait for 60 seconds.

(2) Turn the ignition switch off.

(3) Turn the ignition switch to ACC and wait for 60 seconds.

WHEN DISCONNECTING AUXILIARY BATTERY CABLE

(a) After the ignition switch is turned off, the radio and display receiver assembly requires approximately 2 minutes to record various types of memory and settings. As a result, after turning the ignition switch off, wait 2 minutes or more before disconnecting the cable from the negative (-) auxiliary battery terminal.

NOTICE:

• Before servicing, enter service mode to restrain telematics communication functions and prevent the following while servicing:
  • Remote door lock and unlock operations
  • Remote engine start and stop operations
  • Delivery of vehicle status alert mail to the customer
  • Updating of the vehicle status that can be checked using the vehicle status report function
  • Warning notification function.
• Service mode can be entered by using the GTS or operating the remote touch.

  HINT:

  When a warning is generated due to a vehicle malfunction, the DCM (Telematics Transceiver) receives warning information from the combination meter assembly and sends a warning notification to the service center. The radio and display receiver assembly also receives the warning information sent by the combination meter assembly and displays a message in the multi-display assembly according to the malfunction.

SERVICE MODE

(a) Service mode

HINT:

To cancel service mode, turn the ignition switch off and to ON to display the service mode screen and cancel service mode.

(1) Service mode (Method 1)

Enter the following menus: Body Electrical / Telematics / Trouble Codes.

(2) Service mode (Method 2)

1. Enter diagnostic mode of audio and visual system.

HINT:

Use the GTS to cancel service mode (communication function pausing mode).

Click here

PRECAUTION FOR REGISTRATION

(a) If replacing any of the following parts, refer to Registration.

• for HEV Model:

  Click here

• for Gasoline Model:

  Click here

NOTICE:

If registration is not performed after replacing any of the following parts, the remote door lock and unlock and remote engine start and stop will not be available.

(1) Certification ECU (smart key ECU assembly)

(2) DCM (telematics transceiver)

(3) Main body ECU (multiplex network body ECU)

PRECAUTION FOR ACTIVATION

(a) When replacing the DCM (telematics transceiver), perform DCM activation.

Click here

PRECAUTION FOR TROUBLESHOOTING REMOTE SERVICE FUNCTION

(a) When troubleshooting symptoms such as when part of the remote service function does not operate normally, first check that there are no third party parts connected to the DLC3. If any such parts are connected to the DLC3, some parts of the remote service function may not operate normally.

Therefore, explain the situation to the customer, remove the parts and turn the ignition switch from off to ON before proceeding with troubleshooting.

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