Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)

Toyota Tacoma (2015-2018) Service Manual / Navigation / Multi Info Display / Navigation System / 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

  • CAN communication system
  • Smart key system (for Entry Function)
  • Smart key system (for Start Function)
  • Certification ECU (smart key ECU assembly)
  • Navigation receiver assembly

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the certification ECU (smart key ECU assembly), refer to Registration (See page PROCEDURE ).

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally (See page ). OK: ).

OK:

CAN communication DTCs are not output.

NG

GO TO CAN COMMUNICATION SYSTEM

OK

2.

CHECK SMART KEY SYSTEM (for Entry Function)

(a) Check if the smart key system (for Entry Function) is malfunctioning (See page HINT: ).

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)

OK

3.

CHECK SMART KEY SYSTEM (for Start Function)

(a) Check if the smart key system (for Start Function) is malfunctioning (See page HINT: ).

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)

OK

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) ).

(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 ).

(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:

Removal
REMOVAL PROCEDURE 1. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY RH (See page ) 2. REMOVE LOWER INSTRUMENT PANEL ASSEMBLY (See page ) 3. REMOVE AIR CONDITIONING CONTROL ASSEMBLY (a) for Automatic Air Conditioning System (See page ) (b) for Manual Air Conditioning System (Se ...

Removal
REMOVAL PROCEDURE 1. REMOVE SLIDING ROOF SIDE GARNISH LH (a) Fully open the sunshade trim sub-assembly. (b) Remove the sliding roof side garnish LH. 2. REMOVE SLIDING ROOF SIDE GARNISH RH HINT: Use the same procedure as for the LH side. 3. ...

Parts Location
PARTS LOCATION ILLUSTRATION *A for Double Cab *B for Access Cab *C w/ Back Door Power Window - - *1 NO. 1 BACK PANEL PELAY *2 NO. 2 BACK PANEL RELAY ...

В© 2011-2024 Copyright www.ttguide.net