Diesel Data: Automotive Repair

DTC 71


DTC 71 Short In P/T Squib (LH) Circuit (to Ground)




CIRCUIT DESCRIPTION

The P/T squib (LH) circuit consists of the airbag sensor assembly and seat belt pretensioner (LH).
It causes the seat belt pretensioner (LH) to activate when the seat belt pretensioner (LH) activation conditions are satisfied.
For details of the function of each component, see OPERATION.
DTC B0137/71 is recorded when ground short is detected in the P/T squib (LH) circuit.




WIRING DIAGRAM

INSPECTION PROCEDURE



Step 1/Prepare for Inspection




Step 2/Check P/T squib (LH) circuit




Step 3/Check airbag sensor assembly




Step 4/Check P/T squib (LH)