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.

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

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

(b) Check for DTCs (See page ).

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

(a) Turn the ignition switch off.

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

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

NEXT

(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

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

Standard:

27 to 33 kg (59.5 to 72.8 lb)

NEXT

END