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.
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:
Wireless door lock control 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 ·
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 |
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.
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.
Use the GTS to check if the CAN communication system is functioning normally.
CAN communication DTCs are not output.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check if the wireless door lock control system is malfunctioning.
w/ Entry and Start System: Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Entry and Start System)>HOW TO PROCEED WITH TROUBLESHOOTING201906,999999,_58,_078336,_0397387,RM100000001IOVS,
w/o Entry and Start System: Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_58,_078336,_0379905,RM100000001GNDO,
Customization may not be possible depending on the malfunction in the wireless door lock control system.
No malfunctions are present in the wireless door lock control system.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
w/ Entry and Start System: Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Entry and Start System)>HOW TO PROCEED WITH TROUBLESHOOTING201906,999999,_58,_078336,_0397387,RM100000001IOVS,
w/o Entry and Start System: Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_58,_078336,_0379905,RM100000001GNDO,
Check if the lighting system (for Interior) is malfunctioning.
Customization may not be possible depending on the malfunction in the lighting system (for Interior).
No malfunctions are present in the lighting system (for Interior).
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check if the lighting system (for Exterior) is malfunctioning.
w/ Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/ Headlight ECU)>HOW TO PROCEED WITH TROUBLESHOOTING201906,999999,_59,_079256,_0396321,RM100000001IGX5,
w/o Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/o Headlight ECU)>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_59,_079256,_0384398,RM100000001GS85,
Customization may not be possible depending on the malfunction in the lighting system (for Exterior).
No malfunctions are present in the lighting system (for Exterior).
| Proceed to |
|---|
| OK |
| NG |
OK
NG
w/ Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/ Headlight ECU)>HOW TO PROCEED WITH TROUBLESHOOTING201906,999999,_59,_079256,_0396321,RM100000001IGX5,
w/o Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/o Headlight ECU)>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_59,_079256,_0384398,RM100000001GS85,
Make a note of the customizable items for each main body ECU (multiplex network body ECU) related system.
The items shown as customizable via the audio and visual system vehicle customization screen can also be changed using the GTS. In the following steps, the GTS will be used.
To match-up the items on the audio and visual system vehicle customization screen 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 audio and visual system vehicle customization screen.
w/ Entry and Start System: Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Entry and Start System)>CUSTOMIZE PARAMETERS201906,999999,_58,_078336,_0397387,RM100000001IOVU,
w/o Entry and Start System: Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)>CUSTOMIZE PARAMETERS201902,999999,_58,_078336,_0379905,RM100000001H2O0,
To match-up the items on the audio and visual system vehicle customization screen with the items on the GTS, 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.
To match-up the items on the audio and visual system vehicle customization screen with the items on the GTS, 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.
w/ Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/ Headlight ECU)>HOW TO PROCEED WITH TROUBLESHOOTING201906,999999,_59,_079256,_0396321,RM100000001IGX5,
w/o Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/o Headlight ECU)>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_59,_079256,_0384398,RM100000001GS85,
Using the GTS, 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.
The items available for customization via the audio and visual system vehicle customization screen can be customized successfully using the GTS.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
for LHD: Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL201906,999999,_57,_079061,_0383489,RM100000001IVKI,
for RHD: Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL201906,999999,_57,_079061,_0383490,RM100000001IVRX,