Toyota Avalon (XX50): Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6). Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7). XM Tuner Antenna Disconnected (B15FE,B

Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)

DESCRIPTION

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

• Power door lock control system
• Wireless door lock control system
• Lighting system (for Interior)
• Lighting system (for Exterior)

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 main body ECU (multiplex network body ECU), refer to Registration.

  Click here

PROCEDURE

(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

(a) Check if the power door lock control system is malfunctioning.

Click here

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.

NG

GO TO POWER DOOR LOCK CONTROL SYSTEM

OK

(a) Check if the wireless door lock control system is malfunctioning.

Click here

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

(a) Check if the lighting system (for Interior) is malfunctioning.

Click here

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

(a) Check if the lighting system (for Exterior) is malfunctioning.

Click here

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

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

Click here

(2) 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 wireless door lock control system related items that can be customized via the audio and visual system vehicle customization screen.

Click here

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

Click here

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

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 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

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.

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.

  Click here

PROCEDURE

(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

(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

OK

(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)

XM Tuner Antenna Disconnected (B15FE,B15FF)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the telephone antenna assembly which is connected to the 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.

PROCEDURE

(a) Replace the No. 4 antenna cord sub-assembly with a new or known good one.

Click here

(b) Clear the DTCs.

(c) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

OK

END

NG

(a) Replace the No. 3 antenna cord sub-assembly with a new or known good one.

Click here

(b) Clear the DTCs.

(c) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

OK

END

NG

(a) Replace the No. 2 antenna cord sub-assembly with a new or known good one.

Click here

(b) Clear the DTCs.

(c) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

OK

END

NG

(a) Replace the telephone antenna assembly with a new or known good one.

Click here

(b) Clear the DTCs.

(c) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

OK

END

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY