The SRSCM sets DTC B1731 if the measured resistance value of Anchor Pretensioner front-Driver circuit is less than the threshold value.
*In this case, SRSCM checks if there's any fault in circuit by sending current for a while.
Item | Detecting Condition | Possible cause | |
DTC Strategy |
•
Check Resistance | 1. Poor connection of connected part. 2. Poor connection between shorting bar and release pin. 3. Faulty Anchor Pretensioner front-Driver. 4. Check SRSCM. | |
Enable Conditions |
•
Ignition "ON" | ||
Threshold Value |
•
Anchor Pretensioner front-Driver resistance ≤ 1.6Ω | ||
Diagnostic Time | Qualification |
•
More than 3s (300ms x 10) | |
De-Qualification |
•
More than 6s (300ms x 20) | ||
