DTC B1795 Occupant Classification ECU Malfunction
DESCRIPTION
DTC B1795 is recorded when a malfunction is detected in the occupant classification ECU.
Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output simultaneously.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK DTC
Result:
A:
DTC B1795 is output.
B:
DTCs B1771 and B1795 are output.
HINT: Codes other than DTC B1771 and B1795 may be output at this time, but they are not related to this check.
2 CHECK FUSE
Resistance: Below 1 Ω
3 CHECK WIRE HARNESS (SOURCE VOLTAGE)
Standard voltage
Standard resistance
4 REPLACE OCCUPANT CLASSIFICATION ECU
5 PERFORM ZERO POINT CALIBRATION
OK: "COMPLETED" is displayed.
6 PERFORM SENSITIVITY CHECK
Standard value: 27 to 33 kg (59.52 to 72.75 lb)
END
Things you should know
If you notice any symptoms
If you notice any of the following symptoms, refer to the likely cause
and the solution, and re-check.
If the symptom is not resolved by the solution, have the vehicle
inspected by your Toyota dealer.
Likely cause
Solution
The ima ...
Eject Error/ Elevator Error/ Clamp Error
DTC 44-45 Eject Error
DTC 44-51 Elevator Error
DTC 44-52 Clamp Error
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
44-45
Disc cannot be ejected.
Television display assembly
44-51
Mechanical error occurs during elevator operation.
...
Power Back Door Warning Buzzer does not Sound
DESCRIPTION
The power back door system uses a warning buzzer built into the
back door, which has 3 ways of
sounding that are used differently according to the situations:
When all the following conditions are met, the warning buzzer sounds at
a cycle of 0.3 seconds:
* The ignitio ...