Toyota Tacoma 2015-2018 Service Manual: 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:
The certification ECU (smart key ECU assembly) controls the smart key system related items that are customizable via the audio and visual system vehicle customization screen.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B15F7 |
Certification ECU (smart key ECU assembly) vehicle setting processing malfunction |
|
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the certification ECU (smart key ECU assembly), refer to Registration
(See page .gif)
).
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 | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
|
.gif)
|
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 | |
GO TO SMART KEY SYSTEM (for Entry Function) |
|
|
3. |
CHECK SMART KEY SYSTEM (for Start Function) |
(a) Check if the smart key system (for Start Function) is malfunctioning (See
page ).
HINT:
Customization may not be possible depending on the malfunction in the smart key system (for Start Function).
OK:
No malfunctions are present in the smart key system (for Start Function).
| NG | |
GO TO SMART KEY SYSTEM (for Start Function) |
|
|
4. |
CHECK CUSTOMIZE ITEMS |
(a) Make a note of the customizable items for each certification ECU (smart key ECU assembly) related system.
HINT:
The items shown as customizable via the audio and visual system vehicle customization screen can also be changed manually. In the following step, change the items manually.
(1) Check the customize parameters list for the smart key system (for Entry Function)
related items that can be customized via the audio and visual system vehicle customization
screen (See page ).
(2) Check the customize parameters list for the smart key system (for Start Function)
related items that can be customized via the audio and visual system vehicle customization
screen (See page ).
(b) Confirm that it is possible to manually change the settings of the customize parameters for each system 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 manual procedure.
| OK | |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
| NG | |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
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: ...
XM Tuner Antenna Disconnected (B15FE,B15FF)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the antenna assembly with
holder which is connected to the radio and display receiver assembly.
DTC No.
DTC Det ...
Other materials:
Speaker Output Short (B15C3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the speakers.
DTC No.
DTC Detection Condition
Trouble Area
B15C3
A short is detected in the speaker output circuit.
Harness or connector
Speaker
...
Precaution
PRECAUTION
1. Check that the battery cables are connected to the correct terminals.
2. Disconnect the battery cables when the battery is given a quick charge.
3. Do not perform tests with a high voltage insulation resistance tester.
4. Never disconnect the battery while the engine is running.
5 ...
Sound of Portable Player cannot be Heard from Speakers or Sound is Low
PROCEDURE
1.
CHECK PORTABLE PLAYER SETTINGS
(a) Check the portable player settings.
(1) Check that the volume is not set to "0".
(2) Check that the mute is off.
(b) Check that the sound of the portable player can be heard from the speakers.
OK:
Sound ...