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
).
|
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)
NEXT | ![]() |
END |
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Bleeding
BLEEDING
CAUTION / NOTICE / HINT
NOTICE:
Do not allow brake fluid to adhere to any painted surface such as the
vehicle body. If brake fluid leaks onto any painted surface, immediately
wash it off.
Before bleeding the brake system, confir ...
Lost Communication with Gateway Module (MS Bus) (U1002)
DESCRIPTION
The main body ECU will store this DTC when no signals can be received
from the ECUs that have been memorized as those that are connected to the
CAN MS bus.
When the main body ECU receives a response signal from the ECUs connecte ...