CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.
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PROCEDURE
1. |
CHECK "Wi-Fi" SETTINGS |
(a) Check that the following Wi-Fi connection settings are set as follows:
"Wi-Fi" is set to on.
NG |
PERFORM WI-FI SETTING AGAIN |
|
2. |
CHECK CONDITIONS AND PROCEDURE |
(a) Check the conditions and procedure for establishing a "Wi-Fi" connection, and perform the "Wi-Fi" connection procedure again.
HINT:
Result |
Proceed to |
---|---|
"Wi-Fi" connection can be established. |
A |
"Wi-Fi" connection cannot be established. |
B |
A |
END |
|
3. |
CHECK DEVICE TO BE CONNECTED VIA "Wi-Fi" |
(a) Check the device to be connected via "Wi-Fi".
HINT:
Considering the radio wave environment around the vehicle, move the vehicle and establish a "Wi-Fi" connection.
Result |
Proceed to |
---|---|
The in-vehicle device is trying to connect to the "Wi-Fi" access point of a portable device such as a mobile "Wi-Fi" router, tethering device, etc. |
A |
The in-vehicle device is trying to connect to a "Wi-Fi" access point other than a portable device. |
B |
B |
GO TO STEP 5 |
|
4. |
CHECK PORTABLE DEVICE |
(a) Bring a portable device to be used to establish a "Wi-Fi" connection near the in-vehicle device, and perform "Wi-Fi" connection again.
HINT:
Result |
Proceed to |
---|---|
"Wi-Fi" connection can be established. |
A |
"Wi-Fi" connection cannot be established. |
B |
A |
END |
B |
GO TO STEP 7 |
5. |
MOVE VEHICLE |
(a) Move the vehicle to an access point where "Wi-Fi" connection can be established normally with other vehicles, and perform the "Wi-Fi" connection procedure again.
HINT:
Result |
Proceed to |
---|---|
"Wi-Fi" connection can be established. |
A |
"Wi-Fi" connection cannot be established. |
B |
A |
END (ACCESS POINT WAS ABNORMAL) |
|
6. |
CHECK "Wi-Fi" ACCESS POINT |
(a) Bring a well-known portable device such as a mobile "Wi-Fi" router, tethering device, etc., near the in-vehicle device, and perform the "Wi-Fi" connection procedure again.
HINT:
Result |
Proceed to |
---|---|
"Wi-Fi" connection can be established. |
A |
"Wi-Fi" connection cannot be established. |
B |
A |
END (ACCESS POINT WAS TEMPORARY ABNORMAL) |
B |
GO TO STEP 7 |
7. |
CHECK RESULT OF "Wi-Fi Connection History" |
(a) Check the wave interference while a "Wi-Fi" connection is established.
HINT:
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Result |
Proceed to |
---|---|
"Received Signal Strength" is -71 dBm or less |
A |
"Data Rate" is "Slow Speed" |
|
"Packet Error Rate" is 5% or more |
|
"Result" is "Connection Failure (Authentication Failure)" |
B |
"Result" is "Connection Failure (Time Out)" |
C |
None of the above |
D |
A |
ESTABLISH "WI-FI" CONNECTION IN AREA WITH LITTLE WAVE INTERFERENCE |
B |
EXPLAIN TO CUSTOMER THAT THERE WAS POSSIBILITY THAT USED PASSWORD WAS NOT CORRECT |
C |
CHECK POWER AND CHARGING STATE OF CONNECTED EXTERNAL DEVICE, AND RESTART IT AND PERFORM "WI-FI" CONNECTION PROCEDURE AGAIN |
D |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |