- GNSS (Satellite)
- Collision Detection
- Network Power Supply Control
- SMS
- Telematics PF
- Failure Due to Conflict
- Activate Function
Lexus NX: Dcm Operation History
Lexus NX Service Manual / Audio & Visual & Telematics / Cellular Communication / Safety Connect System / Dcm Operation History
DCM OPERATION HISTORY
HINT:
- This function shows the telematics network status when the DCM (telematics transceiver) was operated. Use this when no DTC is present but this telematics system was unable to connect to the call center. This symptom may occur if cell phone signal strength is very weak.
- This function is used to display operation history information and the time at which it was stored in the DCM (telematics transceiver).
DCM OPERATION HISTORY
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Choose "Telematics" from the System Selection Menu, and then click "Utility".
(e) Click "DCM Operation History" on the Utility Selection Menu.
Body Electrical > Telematics > Utility| Tester Display |
|---|
| DCM Operation History |
(f) Choose "Items" on the DCM Operation History Menu.
HINT:
- When "Operation Code" is recorded, DCM Operation History is displayed on the Techstream.
- The displayed "Function" differs depending on the selected "Items".
(g) Refer to the following chart and check the system operation status displayed on the Techstream. (The following chart is an example of the system operation status.)
System Operation Status Example| Occurrence Time*1 | Operation Code*2 | Function*3 | Content*4 | Roaming*5 | Voice Call*6 | Service Area*7 | Electric Level*8 |
|---|---|---|---|---|---|---|---|
| 2017/12/31 12:40:50 | 0101 | GNSS (Satellite) | Unreceived GNSS (Satellite) signal | ON | With | Out of Service | Level 0 |
| Tester Display | Description | Range | ||
|---|---|---|---|---|
| *1 | Occurrence time | Indicates date of the DCM (telematics transceiver) operation. | - | |
| *2 | Operation Code | Indicates the Operation Code. | - | |
| *3 | Function | Items | Indicates the function name. | - |
| Common | | |||
| Emergency Call |
| |||
| *4 | Content | Indicates the content. | - | |
| *5 | Roaming | Indicates whether roaming was used for the communication network. | ON or OFF | |
| *6 | Voice Call | Indicates whether there was a voice call. | With or Without | |
| *7 | Service Area | Indicates whether the vehicle was in the service area. | Out of Service, Within Range, OFF the Air or Start up (LTE) | |
| *8 | Electric Level | Indicates the strength of the cellular signal received by the vehicle. | Level 0, Level 1, Level2, Level3, Level 4, Level 5 | |
READ NEXT:
Dcm Activation
DCM ACTIVATION DCM ACTIVATION (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Choose "Telematics" from the System Selection Menu, and then cl
Acn Call End
ACN CALL END ACN CALL END This function terminates the ACN (Automatic Collision Notification) to the telematics provider. After a collision in which the DCM receives "Collision Detection Signal", the
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE TELEMATICS SYSTEM (a) Customizing with the Techstream. NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
SEE MORE:
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever a DTC is detected, the headlight ECU sub-assembly or front recognition camera stores the current vehicle (sensor) state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn t
If a warning light turns on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning lights comes
on or
flashes. If a light comes on or flashes, but then goes off, this does not
necessarily
indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Acti
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