AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B15F6

DTC Code	DTC Name
B15F6	Main Body ECU Vehicle Information Reading/Writing Process Malfunction

DESCRIPTION

This DTC is stored when items controlled by the main body ECU (driver side junction block assembly) cannot be customized via the audio and visual system vehicle customization screen.

Tech Tips

The main body ECU (driver side junction block assembly) controls the items for the following systems that are customizable via the accessory meter assembly screen:

Power door lock control system
Wireless door lock control system
Lighting system

DTC Code	DTC Detection Condition	Trouble Area
B15F6	Main body ECU (driver side junction block assembly) vehicle setting processing error.	CAN communication system Power door lock control system Wireless door lock control system Lighting system Main body ECU (driver side junction block assembly) Multi-media module receiver assembly

INSPECTION PROCEDURE

PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

Use the GTS to check if the CAN communication system is functioning normally.

for LHD: Click here
for RHD: Click here

OK
CAN communication system DTCs are not output.

Result
Result	Proceed to
OK	A
NG (for LHD)	B
NG (for RHD)	C

GO TO CAN COMMUNICATION SYSTEM Click here

CHECK POWER DOOR LOCK CONTROL SYSTEM
1. Check if the power door lock control system is malfunctioning Click here.
  
  Tech Tips
  
  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 Click here

OK
CHECK WIRELESS DOOR LOCK CONTROL SYSTEM
1. Check if the wireless door lock control system is malfunctioning Click here.
  
  Tech Tips
  
  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 Click here

OK
CHECK LIGHTING SYSTEM
1. Check if the lighting system is malfunctioning Click here.
  
  Tech Tips
  
  Customization may not be possible depending on the malfunction in the lighting system.
  
  OK
  
  No malfunctions are present in the lighting system.
NG
GO TO LIGHTING SYSTEM Click here

OK

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

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

OK
No malfunctions are present in the lighting system.

CHECK CUSTOMIZE ITEMS

Display the "Vehicle Customization" screen.
Make a note of the customizable items for each main body ECU (driver side junction block assembly) related system.

Tech Tips

These items shown as customizable via the accessory meter assembly vehicle customization screen can also be changed using the GTS. In a following step, the GTS will be used.
1. To match-up the items in the accessory meter assembly with the items on the GTS, check the customize parameters list for the power door lock control system related items that can be customized via the accessory meter assembly screen Click here.
2. To match-up the items in the accessory meter assembly with the items on the GTS, check the customize parameters list for the wireless door lock control system related items that can be customized via the accessory meter assembly screen Click here.
3. To match-up the items in the accessory meter assembly with the items on the GTS, check the customize parameters list for the lighting system related items that can be customized via the accessory meter assembly screen Click here.

Using the GTS, confirm that it is possible to change the settings of the customize parameters that are available for customization via the accessory meter assembly screen.

OK
The items available for customization via the accessory meter assembly screen can be customized successfully using the GTS.

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here