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 engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and wait for 10 seconds or more.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs(f) Check for DTCs and check that no DTCs are output.
Body Electrical > Telematics > Trouble CodesOK:
No DTCs are output.
NG | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
3. | CHECK DCM OPERATION HISTORY |
(a) Check "DCM Operation History".
Click here
Result | Proceed to |
---|---|
Electric Level is weak (Level 0 or Level 1) | A |
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 | CONTACT SERVICE CENTER |
|
4. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
Click here
NOTICE:
NEXT | PERFORM DCM ACTIVATION |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Integration Relay: Components
COMPONENTS ILLUSTRATION *1 BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY *2 NO. 1 RELAY BLOCK COVER *3 RESERVOIR BRACKET *4 SEMICONDUCTOR POWER INTEGRATION ECU N*m (kgf*cm, ft.*lbf): Specified torque - - ...
Lexus RX (RX 350L, RX450h) 2016-2024 Owners Manual > Steps to take in
an emergency: If a warning message is
displayed
The multi-information display shows warnings of system malfunctions,
incorrectly
performed operations, and messages that indicate a need for maintenance.
When a message is shown, perform the correction procedure
appropriate to the message.
Except F SPORT models
F SPORT models
Master ...