2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 146

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE A/C AMPLIFIER

Up to 08/2009

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1620/21: Side Airbag Sensor RH Circuit Malfunction

B1620/21 - Side Airbag Sensor RH Circuit Malfunction

DESCRIPTION

The side airbag sensor RH circuit consists of the center airbag sensor assembly, side airbag sensor RH and rear airbag sensor RH.

The side airbag sensor RH and rear airbag sensor RH detect impacts to the vehicle and send signals to the center airbag sensor assembly to

determine if the airbag should be deployed.

DTC B1620/21 is recorded when a malfunction is detected in the side airbag sensor RH.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK SIDE AIRBAG SENSOR RH

(a) Turn the engine switch off.

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

NOTICE:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Interchange the side airbag sensor LH with RH and connect the connectors.

(d) Connect the cable to the negative (-) battery terminal.

(e) Turn the engine switch on (IG), and wait for at least 60 seconds.

(f) Clear the DTCs stored in the memory See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and