Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000019003
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15F6; Main Body ECU Vehicle Information Reading/Writing Process Malfunction; 2018 - 2020 MY Sienna [11/2017 -        ]

DTC

B15F6

Main Body ECU Vehicle Information Reading/Writing Process Malfunction

DESCRIPTION

This DTC is stored when items controlled by the main body ECU (multiplex network body ECU) cannot be customized via the navigation system vehicle customization screen.

HINT:

The main body ECU (multiplex network body ECU) controls the items for the following systems that are customizable via the navigation system vehicle customization screen:

  • Power door lock control system
  • Wireless door lock control system (w/ Smart Key System)
  • Wireless door lock control system (w/o Smart Key System)
  • Lighting system (for Interior)
  • Lighting system (for Exterior)

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15F6

Main Body ECU Vehicle Information Reading/Writing Process Malfunction

Main body ECU (multiplex network body ECU) vehicle setting processing malfunction
  • CAN communication system
  • Power door lock control system
  • Wireless door lock control system
  • Lighting system (for Interior)
  • Lighting system (for Exterior)
  • Main body ECU (multiplex network body ECU)
  • Radio and display receiver assembly

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

    Click here 2018 - 2020 MY Sienna [11/2017 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PRECAUTION

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occurs:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally (See page 2018 MY Sienna [11/2017 - 08/2018]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSTIC TROUBLE CODE CHART 2019 - 2020 MY Sienna [08/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSTIC TROUBLE CODE CHART ).

OK:

CAN communication DTCs are not output.

NG

GO TO CAN COMMUNICATION SYSTEM

OK

2.

CHECK POWER DOOR LOCK CONTROL SYSTEM

(a) Check if the power door lock control system is malfunctioning (See page 2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: OPERATION CHECK ).

HINT:

Customization may not be possible depending on the malfunction in the power door lock control system.

OK:

No malfunctions are present in the power door lock control system.

Result

Result

Proceed to

OK (w/ Smart Key System)

A

OK (w/o Smart Key System)

B

NG

C
B

GO TO STEP 4

C

GO TO POWER DOOR LOCK CONTROL SYSTEM

A

3.

CHECK WIRELESS DOOR LOCK CONTROL SYSTEM

(a) Check if the wireless door lock control system is malfunctioning (See page 2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Smart Key System): OPERATION CHECK ).

HINT:

Customization may not be possible depending on the malfunction in the wireless door lock control system.

OK:

No malfunctions are present in the wireless door lock control system.

Result

Result

Proceed to

NG

A

OK

B
A

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM

B

GO TO STEP 5

4.

CHECK WIRELESS DOOR LOCK CONTROL SYSTEM

(a) Check if the wireless door lock control system is malfunctioning (See page 2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Smart Key System): OPERATION CHECK ).

HINT:

Customization may not be possible depending on the malfunction in the wireless door lock control system.

OK:

No malfunctions are present in the wireless door lock control system.

NG

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM

OK

5.

CHECK LIGHTING SYSTEM (FOR INTERIOR)

(a) Check if the lighting system (for Interior) is malfunctioning (See page 2016 - 2020 MY Sienna [12/2015 -        ]; LIGHTING (INT): LIGHTING SYSTEM: OPERATION CHECK ).

HINT:

Customization may not be possible depending on the malfunction in the lighting system (for Interior).

OK:

No malfunctions are present in the lighting system (for Interior).

NG

GO TO LIGHTING SYSTEM (FOR INTERIOR)

OK

6.

CHECK LIGHTING SYSTEM (FOR EXTERIOR)

(a) Check if the lighting system (for Exterior) is malfunctioning (See page 2018 - 2020 MY Sienna [11/2017 -        ]; LIGHTING (EXT): LIGHTING SYSTEM: OPERATION CHECK ).

HINT:

Customization may not be possible depending on the malfunction in the lighting system (for Exterior).

OK:

No malfunctions are present in the lighting system (for Exterior).

NG

GO TO LIGHTING SYSTEM (FOR EXTERIOR)

OK

7.

CHECK CUSTOMIZE ITEMS

(a) Make a note of the customizable items for each main body ECU (multiplex network body ECU) 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 steps, 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 power door lock control system related items that can be customized via the navigation system vehicle customization screen.

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: 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 wireless door lock control system related items that can be customized via the navigation system vehicle customization screen.

w/ Smart Key System: Click here 2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Smart Key System): CUSTOMIZE PARAMETERS

w/o Smart Key System: Click here 2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Smart Key System): CUSTOMIZE PARAMETERS

(3) 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 lighting system (for Interior) related items that can be customized via the navigation system vehicle customization screen.

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; LIGHTING (INT): LIGHTING SYSTEM: CUSTOMIZE PARAMETERS

(4) 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 lighting system (for Exterior) related items that can be customized via the navigation system vehicle customization screen.

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; LIGHTING (EXT): LIGHTING SYSTEM: CUSTOMIZE PARAMETERS

(b) Using the Techstream, check 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 RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)