Toyota Venza: Sleep Operation Failure of Occupant Classification ECU (B1796)
DESCRIPTION
In sleep mode, the occupant classification ECU reads the condition of each sensor while the ignition switch is off.
In this mode, if occupant classification ECU detects an internal malfunction, DTC B1796 is output.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B1796 |
|
|
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 B1796 is output, perform troubleshooting for the DTC.
PROCEDURE
|
1. |
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
.gif)
).
|
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|
2. |
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.
|
|
3. |
PERFORM SENSITIVITY CHECK |
(a) Using the Techstream, perform Sensitivity Check (See page
).
Standard:
27 to 33 kg (59.5 to 72.8 lb)
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END |
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL SAFE FUNCTION
(a) The following chart shows the status of the controls when the system is normal
and malfunctioning.
The passenger airbag ON/OFF indicator ("ON ...
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 ...
Other materials about Toyota Venza:
Initialization
INITIALIZATION
1. INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
NOTICE:
When the sliding roof glass, sliding roof housing or sliding roof ECU
(sliding roof drive gear sub-assembly) is replaced or removed and installed,
t ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Power Window Control System
DTC Code
Detection Item
Trouble Area
See page
B2311
Power Window Motor Malfunction
1. Battery disconnected when ignit ...
ABS Control System Malfunction (43)
DESCRIPTION
This DTC is output when the VSC system detects a malfunction in the ABS control
system.
DTC Code
DTC Detection Condition
Trouble Area
43
Malfunction in the ABS control system.
...
0.1204