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:

Rear Airbag Sensor RH Circuit Malfunction (B1630/23)
DESCRIPTION The airbag sensor RH consists of parts such as the safing sensor, the diagnostic circuit and the lateral deceleration sensor. When the airbag sensor assembly receives signals from the lateral deceleration sensor, it determines whether or not the SRS should be activated. DTC B1630/ ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART If a DTC is displayed during the DTC check, check the circuit listed for the DTC in the table below (refer to the appropriate page). HINT: When the SRS warning light remains on and the normal system code is output, a decrease in the source voltage is li ...

Adjustment
ADJUSTMENT PROCEDURE 1. PREPARE VEHICLE FOR HEADLIGHT AIM ADJUSTMENT (a) Prepare the vehicle: Ensure that there is no damage or deformation to the body around the headlights. Fill the fuel tank. Make sure that the oil is filled to the specified level. Make sure that the co ...

В© 2011-2026 Copyright www.ttguide.net