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Home >> Toyota >> 2004 >> RAV4 Base, AWD, Automatic >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Diagnostics >> DTC B1900/73: Short in P/T Squib (LH) Circuit, DTC B1901/73 Open in P/T Squib (LH) Circuit, DTC B1902/73 Short in P/T Squib (LH) Circuit (to Ground), DTC B1903/73 Short in P/T Squib (LH) Circuit (to B+) >> Circuit Description
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Circuit Description

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

The circuit instructs the SRS to deploy when deployment conditions are met.

These DTCs are recorded when a malfunction is detected in the P/T squib LH circuit.

Fig 1: DTC Trouble Detection Condition Table
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