Symptom Table
PROBLEM SYMPTOM CHART
| Symptom | Suspect Item | Refer to |
|---|---|---|
| Pre-crash seat belt system does not operate. (Neither RH nor LH operate.) | IGNTION POWER SUPPLY CIRCUIT | IGNITION POWER SUPPLY CIRCUIT CHECK |
| B2454 MOTOR POWER SUPPLY CIRCUIT | B2454 MOTOR PWR SUP CIRC | |
| PRE-CRASH SEAT BELT CONTROL UNIT GROUND CIRCUIT | PRE-CRASH SEAT BELT CONTROL UNIT GROUND CIRCUIT CHECK | |
| U1000 CAN COMM CIRCUIT | COMPONENT DIAGNOSIS | |
| When the above is normal, check connector housing for damage, looseness and poor connection. Replace PRE-CRASH SEAT BELT CONTROL UNIT if it is normal. | PRE-CRASH SEAT BELT CONTROL UNIT | |
| RH pre-crash seat belt system does not operate. | SEAT BELT BUCKLE SWITCH (PASSENGER SIDE) CIRCUIT | SEAT BELT BUCKLE SWITCH (PASSENGER SIDE) CIRCUIT CHECK |
| B2451 SB MOTOR RH CIRC | B2451 SB MOTOR RH CIRC | |
| When the above is normal, check connector housing for damage, looseness and poor connection. Replace PRE-CRASH SEAT BELT CONTROL UNIT if it is normal. | PRE-CRASH SEAT BELT CONTROL UNIT | |
| LH pre-crash seat belt system does not operate. | SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT | SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT CHECK |
| B2452 SB MOTOR LH CIRC | B2452 SB MOTOR LH CIRC | |
| When the above is normal, check connector housing for damage, looseness and poor connection. Replace PRE-CRASH SEAT BELT CONTROL UNIT if it is normal. | PRE-CRASH SEAT BELT CONTROL UNIT | |
| Pre-crash seat belt system does not operate during emergency brake operation. | U1000 CAN COMM CIRCUIT | COMPONENT DIAGNOSIS |
| B2453 BR STROK SEN CIRC | B2453 BR STROK SEN CIRC | |
| BRAKE PEDAL STROKE SENSOR SHIELD WIRE CIRCUIT | BRAKE PEDAL STROKE SENSOR SHIELD WIRE CIRCUIT CHECK | |
| When the above is normal, check connector housing for damage, looseness and poor connection. Replace PRE-CRASH SEAT BELT CONTROL UNIT if it is normal. | PRE-CRASH SEAT BELT CONTROL UNIT |