| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000001A5QI |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: UNABLE TO CONNECT TO CALL CENTER; 2018 - 2020 MY Sienna [11/2017 - ] | ||
|
UNABLE TO CONNECT TO CALL CENTER |
DESCRIPTION
This may occur when the intensity of telephone radio frequency was very weak, or the Safety Connect system has a malfunction and a DTC is set.
PROCEDURE
|
1. |
CHECK COMMUNICATION SERVICE CONDITION |
(a) Move the vehicle.
(1) If the vehicle is outside the communication service area, move the vehicle to a communication service area, wait for a while and perform the operation again.
OK:
Same problem does not occur.
| OK |
|
END |
|
|
2. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Perform "HEALTH CHECK" and check current DTC (See page
![2018 - 2020 MY Sienna [11/2017 - ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: HEALTH CHECK](/t3Portal/stylegraphics/info.gif)
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART (See page
|
|
|
3. |
CHECK DCM OPERATION HISTORY |
(a) Check "DCM OPERATION HISTORY" (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
Signal strength is weak (0 or 1) |
A |
|
Communication indicates "Fail" |
|
|
No problems with signal strength or communication |
B |
HINT:
If there was a communication problem in the past but the communications are working correctly now, it is possible that the source of the problem was temporary radio interference, or the vehicle may have been outside the service area.
| B |
|
END |
|
|
4. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) (See page
).
NOTICE:
- The ignition switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
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