| V31-1 (MOR+) - V31-18 (PGND) |
B - W-B |
Seat belt motor RH power source line |
Engine switch on (IG) |
4.0 to 8.5 V |
| V31-2 (MOL+) - V31-18 (PGND) |
GR - W-B |
Seat belt motor LH power source line |
Engine switch on (IG) |
4.0 to 8.5 V |
| V31-3 (IG1) - Body ground |
G - Body ground |
Seat belt control ECU power source line |
Engine switch on (IG) |
10 to 14 V |
| V31-4 (CANH) - Body ground |
B - Body ground |
CAN communication |
Engine idling |
Pulse generation |
| V31-6 (CANL) - Body ground |
W - Body ground |
CAN communication |
Engine idling |
Pulse generation |
| V31-7 (SIL) |
GR |
Diagnosis check |
Intelligent tester connected to DLC3 |
Communication is available |
| V31-9 (+B) - Body ground |
L - Body ground |
Seat belt control ECU power source line |
Always |
10 to 14 V |
| V31-10 (MOR-) - Body ground |
LG - Body ground |
Seat belt motor RH ground line |
Engine switch on (IG) |
4.0 to 8.5 V |
| V31-11 (MOL-) - Body ground |
BR - Body ground |
Seat belt motor LH ground line |
Engine switch on (IG) |
4.0 to 8.5 V |
| V31-18 (PGND) - Body ground |
W-B - Body ground |
Seat belt control ECU ground line |
Always |
Below 1 Ω |
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SYMPTOMS REFERENCE