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:
Parking Brake System
Adjustment
ADJUSTMENT
PROCEDURE
1. INSPECT PARKING BRAKE LEVER TRAVEL
(a) Fully pull the parking brake lever to engage the parking brake.
(b) Release the lever to disengage the parking brake.
(c) Slowly pull the parking brake lever all the way and count the number of clicks.
Standard parkin ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Main Body ECU (Multiplex Network Body ECU)
DTC Code
Detection Item
See page
B1206
P/W Master Switch Communication Stop
B1273
Sliding Roof ECU Communication Stop
...
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
modes, always check and make a note of DTCs and freeze frame data.
HINT:
DTCs which are sto ...
