Diesel Data: Automotive Repair

Airbag System

DTC 73 SHORT IN P/T SQUIB (LH) CIRCUIT

CIRCUIT DESCRIPTION

DTC Detection Condition:




The P/T squib (LH) circuit consists of the airbag sensor assembly and seat belt pretensioner (LH).

It causes the SRS to deploy when the SRS deployment conditions are satisfied.

For details of the function of each component, see DESCRIPTION AND OPERATION.

DTC B0135/73 is recorded when a short is detected in the P/T squib (LH) circuit

Wiring Diagram:






Step 1 - 2:




Step 3:




Step 4:




INSPECTION PROCEDURE