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 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 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 navigation 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 navigation 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 navigation 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 navigation system vehicle customization screen.
OK:
The items available for customization via the navigation system vehicle customization screen can be customized successfully using the manual procedure.
| OK | |
REPLACE NAVIGATION 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 cannot be customized
via the navigation system vehicle customization screen.
HINT:
The main body ECU controls the ite ...
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 navigation receiver assembly assembly.
DTC No.
DTC D ...
Other materials:
Speaker Circuit
DESCRIPTION
If there is a short in a speaker circuit, the radio and display receiver
assembly detects it and stops output to the speakers.
Thus sound cannot be heard from the speakers even if there is no malfunction
in the radio and display receiver assembly or speakers.
If a ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
When installing a roof drip side moulding clip, heat the vehicle body
and clip using a heat light.
When installing the moulding, ...
Communication Error from ECM to VSC (P1631)
DESCRIPTION
The ECM sends signals such as A/T information signals, dynamic radar cruise control
operation signals, brake operation demand signals, and buzzer operation demand signals
to the skid control ECU (brake actuator assembly) when the dynamic radar cruise
control is operating. Therefor ...
