Toyota Venza manuals

Toyota Venza: Rear Airbag Sensor LH Circuit Malfunction (B1635/24)

Toyota Venza Service Manual / Supplemental Restraint Systems / Airbag System / Rear Airbag Sensor LH Circuit Malfunction (B1635/24)

DESCRIPTION

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

The rear airbag sensor LH detect impacts to the vehicle and send signals to the center airbag sensor assembly to determine if the airbag should be deployed.

DTC B1635/24 is stored when a malfunction is detected in the rear airbag sensor LH.

DTC No.

DTC Detection Condition

Trouble Area

B1635/24

  • Rear airbag sensor LH malfunction
  • Center airbag sensor assembly malfunction
  • Rear airbag sensor LH
  • Center airbag sensor assembly

WIRING DIAGRAM


PROCEDURE

1.

CHECK REAR AIRBAG SENSOR LH

(a) Turn the ignition switch off.


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

(c) Interchange the rear airbag sensor RH with LH and connect the connectors to them.

(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 B1635/24 is output.

A

DTC B1630/23 is output.

B

DTCs B1630/23 and B1635/24 are not output.

C

Text in Illustration

*1

Rear Airbag Sensor RH

*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.


A

REPLACE CENTER AIRBAG SENSOR ASSEMBLY


B

REPLACE REAR AIRBAG SENSOR LH


C

USE SIMULATION METHOD TO CHECK

Lost Communication with Rear Airbag Sensor LH (B1637/82,B1638/82,B1647/82,B1697/82,B1698/82)
DESCRIPTION The side collision sensor LH circuit (to determine deployment of the front seat side airbag assembly LH and curtain shield airbag assembly LH) is composed of the center airbag sensor ...

Lost Communication with Rear Airbag Sensor RH (B1632/81,B1633/81,B1642/81,B1692/81,B1693/81)
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 ...

Other materials about Toyota Venza:

System Description
SYSTEM DESCRIPTION 1. CRUISE CONTROL SYSTEM This system is controlled by the ECM, and is activated by the throttle position sensor and motor. The ECM controls the following functions: ON-OFF, - SET, + RES, CANCEL, vehicle speed control, motor output cont ...

Front Passenger Side Door Entry Unlock Function does not Operate
DESCRIPTION If the front passenger door entry lock function operates normally, but its entry unlock function does not, this means that the request code from the front passenger door is being output normally. In this case, a malfunction in the touch sensor ...

Precaution
PRECAUTION 1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: After the ignition switch is turned off, the navigation receiver assembly records various types of memory and settings. As a result, after turning the ig ...

© 2016-2019 Copyright www.tovenza.com

0.2232