B2451

Description

- It pulls, returns, and maintains according to the motor rotation.
- It is built into the seat belt retractor.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. SELF-DIAGNOSIS WITH PRE-CRASH SEAT BELT MOTOR RH CIRCUIT

1.Turn ignition switch ON.
2.Check "Self-diagnostic result" with CONSULT.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Pre-crash seat belt motor RH system is normal.


Diagnosis Procedure


1. CHECK PRE-CRASH SEAT BELT MOTOR RH CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect pre-crash seat belt control unit connector and pre-crash seat belt motor RH connector.
3.Check continuity between pre-crash seat belt control unit harness connector and pre-crash seat belt motor RH harness connector.





4.Check continuity between pre-crash seat belt control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace harness.

2. SELF-DIAGNOSIS WITH PRE-CRASH SEAT BELT MOTOR RH CIRCUIT

1.Replace pre-crash seat belt motor RH.
2.Connect pre-crash seat belt control unit connector and pre-crash seat belt motor RH connector.
3.Turn ignition switch ON.
4.Check "Self-diagnostic result" with CONSULT.
Is DTC detected?
YES- Replace pre-crash seat belt control unit.
NO- INSPECTION END