Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ77
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15F7; Certification ECU Vehicle Information Reading/Writing Process Malfunction; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

DTC

B15F7

Certification ECU Vehicle Information Reading/Writing Process Malfunction

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 navigation system vehicle customization screen.

DTC No.

DTC Detection Condition

Trouble Area

B15F7

Certification ECU (smart key ECU assembly) vehicle setting processing error

  • CAN communication system
  • Smart key system
  • 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 2016 MY Sienna [12/2015 - 08/2016]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/ Smart Key System): REGISTRATION 2017 - 2020 MY Sienna [08/2016 -        ]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/ Smart Key System): REGISTRATION ).

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally (See page 2016 MY Sienna [12/2015 - 08/2016]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM 2017 MY Sienna [08/2016 - 11/2017]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM ).

OK:

CAN communication DTCs are not output.

NG

GO TO CAN COMMUNICATION SYSTEM

(See page 2016 MY Sienna [12/2015 - 08/2016]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING 2017 MY Sienna [08/2016 - 11/2017]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING )

OK

2.

CHECK SMART KEY SYSTEM

(a) for Entry Function:

Check if the smart key system is malfunctioning (See page 2016 - 2020 MY Sienna [12/2015 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM(for Entry Function): OPERATION CHECK ).

for Start Function:

Check if the smart key system is malfunctioning (See page 2016 MY Sienna [12/2015 - 08/2016]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM(for Start Function): PROBLEM SYMPTOMS TABLE 2017 - 2020 MY Sienna [08/2016 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM(for Start Function): PROBLEM SYMPTOMS TABLE ).

HINT:

Customization may not be possible depending on the malfunction in the smart key system.

OK:

No malfunctions are present in the smart key system.

(b) Proceed to the next step based on the check result.

Result

Result

Proceed to

OK

A

NG (for Entry Function)

B

NG (for Start Function)

C

B

GO TO SMART KEY SYSTEM (for Entry Function)

C

GO TO SMART KEY SYSTEM (for Start Function)

A

3.

CHECK CUSTOMIZE ITEMS

(a) Make a note of the customizable items for the 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 using the Techstream. In the following step, the Techstream will be used.

(1) To match-up the items on the navigation system vehicle customization screen with the items on the Techstream, 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 2016 - 2020 MY Sienna [12/2015 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM(for Entry Function): CUSTOMIZE PARAMETERS ).

(2) To match-up the items on the navigation system vehicle customization screen with the items on the Techstream, 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 2016 - 2020 MY Sienna [12/2015 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM(for Start Function): CUSTOMIZE PARAMETERS ).

(b) Using the Techstream, confirm that it is possible to change the settings of the customize parameters 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 Techstream.

OK

REPLACE NAVIGATION RECEIVER ASSEMBLY

NG

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)