Component Location
General Description

The pretensioner(BPT) located in the driver and passenger’s lower side of center pillar as above 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.

DTC Description

When short battery circuit to the driver side pretensioner’s(DBPT) squib. When the SRS warning light remain lite up and with DTC code,this means short battery circuit to the Pretensioner harness.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

● Driver Pretensioner resistance circuit short to battery

● Poor contact in the connector or wiring harness.

● Open circuit in wiring harness.

● Open circuit in DBPT squib.

Enable Conditions

● Ignition "ON"

Threshold Value

● DBPT Resistance >= 0.5 V ( More than 0.5V)

Diagnostic Time

Qualification

● More than 2 sec remaining

De-Qualification

● More than10 sec remaining

Specification

Test Condition

Resister (Ω)

Ignition OFF

1.9Ω ≤ R ≤ 4.7Ω

Schematic Diagram
note
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