PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:B2064
| DTC Code | DTC Name |
|---|---|
| B2064 | Vehicle Type Signal Malfunction |
DESCRIPTION
The seat belt control ECU is connected to the main body ECU through CAN communication.
The seat belt control ECU receives the steering wheel position information from the main body ECU via CAN communication and stores the vehicle model information. If the seat belt control ECU cannot receive the steering wheel position information from the main body ECU, DTC B2064 is stored.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
|---|---|---|---|---|
B2064 |
Vehicle Type Signal Malfunction |
During the initial check, the steering wheel position information sent to the seat belt control ECU from the main body ECU stops for 3 seconds or more. |
|
Seat Belt Control ECU (Pre-Crash) |
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Select "Bus Check" from the "System Select" screen on the intelligent tester.
Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter".
OK
CAN communication system DTCs are not output.
Result
Result
OK
NG
CHECK FOR DTC
Clear the DTCs.
Body Electrical > Pre-Crash > Clear DTCs
Check for DTCs.
Body Electrical > Pre-Crash > Trouble Codes
OK
DTC B2064 is not output.
Result
Result
OK
NG
REPLACE SEAT BELT CONTROL ECU
Replace the seat belt control ECU.
Result
Result
NEXT
CHECK FOR DTC
Clear the DTCs.
Body Electrical > Pre-Crash > Clear DTCs
Check for DTCs.
Body Electrical > Pre-Crash > Trouble Codes
OK
DTC B2064 is not output.
Result
Result
OK
NG
OK END (SEAT BELT CONTROL ECU IS DEFECTIVE)