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 |
|
|
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 .gif)
).
- 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 | .gif) |
GO TO DTC B1771 |
|
.gif)
|
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
).
|
|
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.
|
|
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:
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
If your vehicle overheats
The following may indicate that your vehicle is overheating.
• The engine coolant temperature gauge reaches the maximum, or a loss of
engine power is experienced. (For example, the vehicle speed does not increase.)
• Steam comes out from under the hood ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure listed is for the LH side.
PROCEDURE
1. INSTALL FRONT LOWER BALL JOINT
(a) Install the front lower ball jo ...
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