- CAN communication system
- Smart key system
- Certification ECU (smart key ECU assembly)
- Radio and display receiver assembly
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000019004 |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15F7; Certification ECU Vehicle Information Reading/Writing Process Malfunction; 2018 - 2020 MY Sienna [11/2017 - ] | ||
|
DTC |
B15F7 |
Certification ECU Vehicle Information Reading/Writing Process Malfunction |
DESCRIPTION
This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the navigation system vehicle customization screen.
HINT:
The certification ECU (smart key ECU assembly) controls the smart key system related items that are customizable via the navigation system vehicle customization screen.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B15F7 |
Certification ECU Vehicle Information Reading/Writing Process Malfunction |
Certification ECU (smart key ECU assembly) vehicle setting processing malfunction |
|
CAUTION / NOTICE / HINT
NOTICE:
-
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Click here
![2018 - 2020 MY Sienna [11/2017 - ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
-
When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occurs:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly may not operate normally.
-
Before replacing the certification ECU (smart key ECU assembly), refer to Registration.
w/ Smart Key System: Click here
w/o Smart Key System: Click here
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Use the Techstream to check if the CAN communication system is functioning normally (See page
).
OK:
CAN communication DTCs are not output.
| NG |
|
|
|
2. |
CHECK SMART KEY SYSTEM (FOR ENTRY FUNCTION) |
(a) Check if the smart key system (for Entry Function) is malfunctioning (See page
).
HINT:
Customization may not be possible depending on the malfunction in the smart key system (for Entry Function).
OK:
No malfunctions are present in the smart key system (for Entry Function).
| NG |
|
|
|
3. |
CHECK CUSTOMIZE ITEMS |
(a) Make a note of the customizable items for each certification ECU related system.
HINT:
The items shown as customizable via the navigation system vehicle customization screen can also be changed using the Techstream. In the following step, the Techstream will be used.
(1) To match-up the items on the navigation system vehicle customization screen with the items on the Techstream, check the customize parameters list for the smart key system related items that can be customized via the navigation system vehicle customization screen.
for Start Function: Click here
for Entry Function: Click here
(b) Using the Techstream, check that it is possible to change the settings of the customize parameters that are available for customization via the navigation system vehicle customization screen.
OK:
The items available for customization via the navigation system vehicle customization screen can be customized successfully using the Techstream.
| OK |
|
| NG |
|
|
|