Driver Anchor Pretensioner operates as a second Belt Pretensioner if it gets into a deployment condition after a collision. It is located near anchor on driver seat and it makes up for the existing short stroke. Driver Anchor Pretensioner is supported by two cables and it is an auxiliary to prevent a driver from breaking away as seat belt is being pulled toward anchor side after a collision.
Never measure resistance of Anchor Pretensioner front-Driver directly, Current of measuring device may cause unexpected airbag deploy.
The SRSCM sets DTC B173300 if there is a short to power in Anchor Pretensioner front-Driver harness.
*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 Voltage
Short to power in Anchor Pretensioner front-Driver harness.
Poor connection of connected part.
Faulty Anchor Pretensioner front-Driver.
Faulty SRSCM.
Enable Conditions
Ignition "ON"
Threshold Value
Short to power in Anchor Pretensioner front-Passenger
Diagnostic Time
Qualification
More than 2 sec
De-Qualification
More than 4 sec
Test Condition
Resistance
Idle & WOT
1.0O = Squib resistance = 7.3O