- CAN communication system
- Air conditioning system
- Air conditioning amplifier assembly
- Navigation receiver assembly
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJ75 |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15F5; A/C ECU Vehicle Information Reading/Writing Processor Malfunction; 2016 - 2017 MY Sienna [12/2015 - 11/2017] | ||
|
DTC |
B15F5 |
A/C ECU Vehicle Information Reading/Writing Processor Malfunction |
DESCRIPTION
This DTC is stored when items controlled by the air conditioning amplifier assembly cannot be customized via the navigation system vehicle customization screen.
HINT:
The air conditioning amplifier assembly controls the air conditioning system related items that are customizable via the navigation system vehicle customization screen.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B15F5 |
Air conditioning amplifier assembly vehicle setting processing error |
|
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Use the Techstream to check if the CAN communication system is functioning normally (See page
![2016 MY Sienna [12/2015 - 08/2016]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM](/t3Portal/stylegraphics/info.gif)
).
OK:
CAN communication DTCs are not output.
| NG |
|
GO TO CAN COMMUNICATION SYSTEM (See page
|
|
|
2. |
CHECK AIR CONDITIONING SYSTEM |
(a) Check if the air conditioning system is malfunctioning (See page
).
HINT:
Customization may not be possible depending on the malfunction in the air conditioning system.
OK:
No malfunctions are present in the air conditioning system.
| NG |
|
|
|
3. |
CHECK CUSTOMIZE ITEMS |
(a) Make a note of the customizable items for the air conditioning system.
HINT:
The items shown as customizable via the navigation system vehicle customization screen can also be changed using the Techstream. In the following steps, 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 air conditioning system related items that can be customized via the navigation system vehicle customization screen (See page
).
(b) Using the Techstream, confirm 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 |
|
|
|