2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2223

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1920/77-B1923/77: Short in Rear Pretensioner Squib RH Circuit

B1920/77 - Short in Rear Pretensioner Squib RH Circuit

B1921/77 - Open in Rear Pretensioner Squib RH Circuit

B1922/77 - Short to GRD in Rear Pretensioner Squib RH Circuit

B1923/77 - Short to B+ in Rear Pretensioner Squib RH Circuit

DESCRIPTION

The rear pretensioner squib RH circuit consists of the center airbag sensor assembly and rear seat outer belt assembly RH.

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

These DTCs are recorded when a malfunction is detected in the rear pretensioner squib RH circuit.

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT

* Perform the simulation method by selecting Check Mode (Signal Check) using the Techstream See: Restraints and Safety

Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Check Mode Procedure.

* After selecting Check Mode (Signal Check), perform the simulation method by wiggling each connector of the airbag system

or driving the vehicle on a city or rough road See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting.

PROCEDURE

1. CHECK CONNECTORS

(a) Turn the engine switch off.

(b) Disconnect the cable from the negative (-) battery terminal.