PROCEDURE
1. |
CHECK USAGE CONDITION |
(a) Check that the vehicle and cellular phone meet the following conditions:
NOTICE:
If changing cellular phone settings, updating software, etc. is necessary, make sure to obtain the permission of the customer before performing it.
Click here
(b) Connect the cellular phone to the in-vehicle device and check that it is connected correctly.
Result |
Proceed to |
---|---|
The cellular phone is connected correctly. |
A |
The cellular phone is not connected correctly. |
B |
A |
END (USAGE CONDITIONS DEFECTIVE) |
|
2. |
RESTART CELLULAR PHONE |
(a) Restart the cellular phone.
(b) Turn the ignition switch off.
(c) Turn the ignition switch to ACC.
(d) Connect the cellular phone to the in-vehicle device and check that it is connected correctly.
Result |
Proceed to |
---|---|
The cellular phone is connected correctly. |
A |
The cellular phone is not connected correctly. |
B |
A |
END (TEMPORARY MALFUNCTION WITH "Bluetooth" OF CELLULAR PHONE) |
|
3. |
CHECK OPERATION |
(a) Check if the in-vehicle device can be recognized by the cellular phone.
Result |
Proceed to |
---|---|
In-vehicle device can be recognized. |
A |
In-vehicle device cannot be recognized. |
B |
B |
GO TO STEP 5 |
|
4. |
REGISTER AGAIN |
(a) Clear all "Bluetooth" devices registered to the cellular phone and radio and display receiver assembly.
(b) Register the cellular phone again.
(c) Connect the cellular phone to the in-vehicle device and check that it is connected correctly.
Result |
Proceed to |
---|---|
The cellular phone is connected correctly. |
A |
The cellular phone is not connected correctly. |
B |
A |
END (TEMPORARY MALFUNCTION WITH "Bluetooth") |
|
5. |
CHECK USING ANOTHER VEHICLE |
(a) Check if the customer's cellular phone functions normally using another "Bluetooth" compatible vehicle.
HINT:
Result |
Proceed to |
---|---|
The cellular phone is connected correctly. |
A |
The cellular phone is not connected correctly. |
B |
A |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
6. |
CHECK USING ANOTHER CELLULAR PHONE |
(a) Check if the system functions normally using another "Bluetooth" compatible cellular phone.
HINT:
Result |
Proceed to |
---|---|
The cellular phone is connected correctly. |
A |
The cellular phone is not connected correctly. |
B |
A |
END (ONLY A "Bluetooth" COMPATIBLE CELLULAR PHONE CAN BE USED) |
B |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): ID BOX EEPROM Malfunction (B2790)
DESCRIPTION
When an internal malfunction occurs in the ID code box (immobiliser code ECU),
the certification ECU (smart key ECU assembly) stores this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B279 ...
Toyota CH-R Owners Manual > Steps to take in an emergency: If the electronic key does not operate properly (vehicles with a smart key system)
If communication between the electronic key and vehicle is interrupted
or the electronic key cannot be used because the battery is depleted, the smart
key system and wireless remote control cannot be used. In such cases, the doors
can be opened and the engine can be started by following the pr ...