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:

Pressure Control Solenoid "G" Electrical (Shift Solenoid Valve SL4) (P2810)
DESCRIPTION Changing from 1st to 6th is performed by the TCM turning shift solenoid valves SL1, SL2, SL3, SL4 and SL on and off. If an open or short circuit occurs in any of the shift solenoid valves, the TCM controls the remaining normal shift solenoid ...

Installing child restraints using a seat belt (child restraint lock function belt)
 - Rear-facing -- Infant seat/convertible seat Place the child restraint system on the rear seat facing the rear of the vehicle. Run the seat belt through the child restraint system and insert the plate into the buckle. Make sure that the belt is ...

Transponder Key Ecu
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE AIR CONDITIONING UNIT ASSEMBLY HINT: Refer to the procedure up to Remove Air Conditioning Unit Assembly (See page ). 2. REMOVE TRANSPONDER KEY ECU ASSEMBLY (a) ...

© 2016-2020 Copyright www.tovenza.com

0.2207