Toyota Tacoma (2015-2018) Service Manual: Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)
DESCRIPTION
This DTC is stored when items controlled by the main body ECU (multiplex network body ECU) cannot be customized via the audio and visual system vehicle customization screen.
HINT:
The main body ECU (multiplex network body ECU) controls the items for the following systems that are customizable via the audio and visual system vehicle customization screen:- Power door lock control system
- Wireless door lock control system
- Lighting system (for Interior)
- Lighting system (for Exterior)
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B15F6 |
Main body ECU (multiplex network body ECU) vehicle setting processing malfunction |
|
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Use the Techstream to check if the CAN communication system is functioning
normally (See page .gif)
).
OK:
CAN communication DTCs are not output.
| NG | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
|
.gif)
|
2. |
CHECK POWER DOOR LOCK CONTROL SYSTEM |
(a) Check if the power door lock control system is malfunctioning (See page
).
HINT:
Customization may not be possible depending on the malfunction in the power door lock control system.
OK:
No malfunctions are present in the power door lock control system.
| NG | |
GO TO POWER DOOR LOCK CONTROL SYSTEM |
|
|
3. |
CHECK WIRELESS DOOR LOCK CONTROL SYSTEM |
(a) Check if the wireless door lock control system is malfunctioning (See page
with Smart Key System,
without Smart Key System).
HINT:
Customization may not be possible depending on the malfunction in the wireless door lock control system.
OK:
No malfunctions are present in the wireless door lock control system.
Result|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (w/ Smart Key System) |
B |
|
NG (w/o Smart Key System) |
C |
| B | |
GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Smart Key System) |
| C | |
GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Smart Key System) |
|
|
4. |
CHECK LIGHTING SYSTEM (for Interior) |
(a) Check if the lighting system (for Interior) is malfunctioning (See page
).
HINT:
Customization may not be possible depending on the malfunction in the lighting system (for Interior).
OK:
No malfunctions are present in the lighting system (for Interior).
| NG | |
GO TO LIGHTING SYSTEM (for Interior) |
|
|
5. |
CHECK LIGHTING SYSTEM (for Exterior) |
(a) Check if the lighting system (for Exterior) is malfunctioning (See page
).
HINT:
Customization may not be possible depending on the malfunction in the lighting system (for Exterior).
OK:
No malfunctions are present in the lighting system (for Exterior).
| NG | |
GO TO LIGHTING SYSTEM (for Exterior) |
|
|
6. |
CHECK CUSTOMIZE ITEMS |
(a) Make a note of the customizable items for each main body ECU (multiplex network body ECU) related system.
HINT:
The items shown as customizable via the audio and visual 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 audio and visual system vehicle customization
screen with the items on the Techstream, check the customize parameters list for
the power door lock control system related items that can be customized via the
audio and visual system vehicle customization screen (See page
).
(2) To match-up the items on the audio and visual system vehicle customization
screen with the items on the Techstream, check the customize parameters list for
the wireless door lock control system related items that can be customized via the
audio and visual system vehicle customization screen (See page
with Smart Key System,
without Smart Key System).
(3) To match-up the items on the audio and visual system vehicle customization
screen with the items on the Techstream, check the customize parameters list for
the lighting system (for Interior) related items that can be customized via the
audio and visual system vehicle customization screen (See page
).
(4) To match-up the items on the audio and visual system vehicle customization
screen with the items on the Techstream, check the customize parameters list for
the lighting system (for Exterior) related items that can be customized via the
audio and visual 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 audio and visual system vehicle customization screen.
OK:
The items available for customization via the audio and visual system vehicle customization screen can be customized successfully using the Techstream.
| OK | |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
| NG | |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION
This DTC is stored when items controlled by the air conditioning amplifier assembly
cannot be customized via the audio and visual system vehicle customization screen.
HINT:
The air co ...
Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION
This DTC is stored when items controlled by the certification ECU (smart key
ECU assembly) cannot be customized via the audio and visual system vehicle customization
screen.
HINT:
T ...
Other materials:
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
ACC Signal Circuit
DESCRIPTION
This circuit detects whether the ignition switch is ACC or off, and sends this
information to the main body ECU (multiplex network body ECU).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the fo ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
If the bumper is damaged, there is a possibility that the installation area of
the blind spot monitor sensor may be deformed and the blind spot monitor system
may not operate correctly, so visually inspect the blind spot monitor sensor installation
area ...
