The pretensioner(BPT) located in the driver and passenger’s lower side of center pillar as aboved picture, together with an seat belt retractor units. The pretensioner seat belt helps to reduce the severity of injury to the front seat occupant by retracting the seat belt webbing. This prevent the occupant from thrusting forward and hitting the steering wheel(driver) or the instrument panel (passanger)when the vehicle crashes.
When short battery circuit to the Passenger side pretensioner’s(PBPT) squib. When the SRS warning light remain lite up and with DTC code,this means short battery circuit to the Pretensioner harness.
Item | Detecting Condition | Possible Cause | |
DTC Strategy | ● Passenger Pretensioner resistance circuit short to battery | ● Poor contact in the connector or wiring harness. ● Short battery circuit to wiring harness. | |
Enable Conditions | ● Ignition "ON" | ||
Threshold Value | ● PBPT Resistance >= 0.5 V ( More than 0.5V) | ||
Diagnostic Time | Qualification | ● More than 2 sec remaining | |
De-Qualification | ● More than10 sec remaining |
Test Condition | Resister (Ω) |
Ignition OFF | 1.9Ω ≤ R ≤ 4.7Ω |