Toyota Venza manuals

Toyota Venza: Occupant Classification ECU Malfunction (B1795)

DESCRIPTION

DTC B1795 is recorded when a malfunction is detected in the occupant classification ECU.

Troubleshoot DTC B1771 first if DTCs B1771 and B1795 are output simultaneously.

DTC No.

DTC Detection Condition

Trouble Area

B1795

  • Front seat inner belt assembly RH malfunction
  • Occupant classification ECU malfunction
  • Front seat inner belt assembly RH
  • Occupant classification ECU

HINT:

When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant classification ECU. When DTC B1795 is output, perform troubleshooting for the DTC.

PROCEDURE

1.

CHECK DTC

(a) Turn the ignition switch to ON, and wait for at least 10 seconds.

(b) Check for DTCs (See page ).


  • Result

A

DTC B1795 is output.

B

DTCs B1771 and B1795 are output.

HINT:

Codes other than DTCs B1771 and B1795 may be output at this time, but they are not related to this check.


B

GO TO DTC B1771


A

2.

REPLACE OCCUPANT CLASSIFICATION ECU

(a) Turn the ignition switch off.

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

(c) Replace the occupant classification ECU (See page ).



NEXT

3.

PERFORM ZERO POINT CALIBRATION

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

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Using the Techstream, perform Zero Point Calibration (See page ).


OK:

"Zero Point Calibration is complete." is displayed.


NEXT

4.

PERFORM SENSITIVITY CHECK

(a) Using the Techstream, perform Sensitivity Check (See page ).


Standard:

27 to 33 kg (59.5 to 72.8 lb)


NEXT

END

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART If a trouble code is displayed during the DTC check, check the circuit listed for the code in the table below (proceed to the page listed for that circuit). HINT: Wh ...

Occupant Classification Sensor Power Supply Circuit Malfunction (B1793)
DESCRIPTION The occupant classification sensor power supply circuit consists of the occupant classification ECU and occupant classification sensors. DTC B1793 is recorded when a malfunction is det ...

Other materials about Toyota Venza:

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful bec ...

HL AutoLeveling ECU Failure (B2420)
DESCRIPTION When the headlight leveling ECU assembly detects a malfunction in itself, this DTC is stored. DTC No. DTC Detecting Condition Trouble Area B2420 Malfunction of headlight leveling ECU ...

Front Passenger Side Door Entry Lock and Unlock Functions do not Operate
DESCRIPTION When the entry lock and unlock functions do not operate only for the front passenger door, an error in output request codes from the front passenger door or malfunction in the front door outside handle assembly is suspected. If the entry funct ...

© 2016-2025 Copyright www.tovenza.com

0.1364