Toyota Venza: Rear Airbag Sensor RH Circuit Malfunction (B1630/23)

Toyota Venza Service Manual / Supplemental Restraint Systems / Airbag System / Rear Airbag Sensor RH Circuit Malfunction (B1630/23)

DESCRIPTION

The side collision sensor RH circuit (to determine deployment of the front seat side airbag assembly RH and curtain shield airbag assembly RH) is composed of the center airbag sensor assembly, rear airbag sensor RH and side airbag sensor RH.

The 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 B1630/23 is stored when a malfunction is detected in the rear airbag sensor RH.

DTC No.	DTC Detection Condition	Trouble Area
B1630/23	Rear airbag sensor RH malfunction Center airbag sensor assembly malfunction	Rear airbag sensor RH Center airbag sensor assembly

WIRING DIAGRAM

PROCEDURE

1.	CHECK REAR AIRBAG SENSOR RH

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

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

(e) Turn the ignition switch to ON, and wait for at least 60 seconds.

(f) Clear the DTCs stored in memory (See page ).

(g) Turn the ignition switch off.

(h) Turn the ignition switch to ON, and wait for at least 60 seconds.

(i) Check for DTCs (See page ).

Result	Proceed to
DTC B1630/23 is output.	A
DTC B1635/24 is output.	B
DTCs B1630/23 and B1635/24 are not output.	C

Text in Illustration

*1	Rear Airbag Sensor LH
*2	Center Airbag Sensor Assembly

HINT:

Codes other than DTCs B1630/23 and B1635/24 may be output at this time, but they are not related to this check.

REPLACE CENTER AIRBAG SENSOR ASSEMBLY

REPLACE REAR AIRBAG SENSOR RH

USE SIMULATION METHOD TO CHECK

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