Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014YZX
Model Year Start: 2018 Model: Camry Prod Date Range: [06/2017 -           ]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15F7; Certification ECU Vehicle Information Reading/Writing Process Malfunction; 2018 - 2024 MY Camry [06/2017 -        ]

DTC

B15F7

Certification ECU Vehicle Information Reading/Writing Process Malfunction

DESCRIPTION

This DTC may be 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.

Detection Item

DTC Detection Condition

Trouble Area

B15F7

Certification ECU Vehicle Information Reading/Writing Process Malfunction

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

  • CAN communication system
  • Smart key system
  • Certification ECU (smart key ECU assembly)
  • 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 Camry [06/2017 - 10/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PRECAUTION 2021 - 2024 MY Camry [10/2020 -        ]; 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 occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.
  • Before replacing the certification ECU (smart key ECU assembly), refer to Registration.

    Click here 2018 - 2019 MY Camry [03/2017 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION 2020 - 2022 MY Camry [09/2019 - 08/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION 2023 - 2024 MY Camry [08/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

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

Click here 2018 - 2024 MY Camry [03/2017 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

OK:

CAN communication DTCs are not output.

NG

GO TO CAN COMMUNICATION SYSTEM

OK

2.

CHECK SMART KEY SYSTEM

(a) Check if the smart key system is malfunctioning.

for Entry Function: Click here 2018 - 2024 MY Camry [03/2017 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function): HOW TO PROCEED WITH TROUBLESHOOTING

for Start Function: Click here 2018 - 2022 MY Camry [03/2017 - 08/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): HOW TO PROCEED WITH TROUBLESHOOTING 2023 - 2024 MY Camry [08/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): HOW TO PROCEED WITH TROUBLESHOOTING

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.

NG

GO TO SMART KEY SYSTEM

for Entry Function: Click here 2018 - 2024 MY Camry [03/2017 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function): HOW TO PROCEED WITH TROUBLESHOOTING

for Start Function: Click here 2018 - 2022 MY Camry [03/2017 - 08/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): HOW TO PROCEED WITH TROUBLESHOOTING 2023 - 2024 MY Camry [08/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): HOW TO PROCEED WITH TROUBLESHOOTING

OK

3.

CHECK CUSTOMIZE ITEMS

(a) Make a note of the customizable items for the certification 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 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 related items that can be customized via the navigation system vehicle customization screen.

for Entry Function: Click here 2018 - 2024 MY Camry [03/2017 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function): CUSTOMIZE PARAMETERS

for Start Function: Click here 2018 - 2024 MY Camry [03/2017 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): 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 2018 - 2020 MY Camry [06/2017 - 10/2020]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL 2021 - 2024 MY Camry [10/2020 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

NG

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 2018 - 2020 MY Camry [06/2017 - 10/2020]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2021 - 2024 MY Camry [10/2020 -        ]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL