Toyota Camry owners & service manuals

Toyota Camry (XV70): Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)

Toyota Camry Repair Manual XV70 (2018-2024) / Audio, Visual, Telematics / Audio / Video / Audio And Visual 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 audio and visual 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.

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 Audio and Visual System.

    Click here

  • 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.

    w/ Smart Key System: Click here

    w/o Smart Key System: Click here

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

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

Click here

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

for Start Function: Click here

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

for Start Function: Click here

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 audio and visual 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 audio and visual 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 audio and visual system vehicle customization screen.

for Entry Function: Click here

for Start Function: Click here

(b) Using the Techstream, check that it is possible to change the settings of the customize parameters that are available for customization via the audio and visual system vehicle customization screen.

OK:

The items available for customization via the audio and visual system vehicle customization screen can be customized successfully using the Techstream.

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    READ NEXT:

     XM Tuner Antenna Disconnected (B15FE,B15FF)

    DESCRIPTION These DTCs are stored when a malfunction occurs in the roof antenna assembly which is connected to the radio and display receiver assembly. DTC No. Detection Item DTC Detectio

     Camera ECU Malfunction (C1610)

    DESCRIPTION This DTC is stored when a malfunction occurs in the parking assist monitor system*1 or panoramic view monitor system*2. DTC No. Detection Item DTC Detection Condition Troubl

     Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198,U023B,U0265,U1110)

    DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U0073 Sending Malfunc

    SEE MORE:

     Components

    COMPONENTS ILLUSTRATION *1 REAR DISC BRAKE ANTI-SQUEAL SHIM KIT *2 REAR DISC BRAKE PAD *3 REAR DISC BRAKE CYLINDER ASSEMBLY *4 REAR DISC BRAKE PAD WEAR INDICATOR PLATE *5 REAR NO. 1 DISC BRAKE ANTI-SQUEAL SHIM *6 REAR FLEXIBLE HOSE

     Fail-safe Chart

    FAIL-SAFE CHART FAIL-SAFE CHART (a) When the skid control ECU (brake actuator assembly) detects a solenoid valve malfunction or abnormal signal from a sensor, the brake actuator assembly cuts power and sends a signal indicating a malfunction of the vehicle stability control system to the ECM. HINT

    © 2023-2024 Copyright www.tocamry.com