DTC B1796 Sleep Operation Failure of Occupant Classification ECU
DESCRIPTION
During sleep mode, the occupant classification ECU reads the condition of each sensor while the ignition switch is off.
In this mode, if the occupant classification ECU detects an internal malfunction, DTC B1796 is output.
DTC No. |
DTC Detecting Condition |
Trouble Area |
B1796 |
|
|
INSPECTION PROCEDURE
1 CHECK DTC
HINT: First clear DTCs stored in the occupant classification ECU and then in the center airbag sensor assembly.
OK: DTC B1796 is not output. HINT: Codes other than DTC B1796 may be output at this time, but they are not related to this check.
2 REPLACE OCCUPANT CLASSIFICATION ECU
3 PERFORM ZERO POINT CALIBRATION
OK: The "COMPLETED" is displayed.
4 PERFORM SENSITIVITY CHECK
Standard values: 27 to 33 kg (59.52 to 72.75 lb)
END
Low pitched horn
COMPONENTS
REMOVAL
1. REMOVE FRONT BUMPER COVER
ET-3
2. REMOVE LOW PITCHED HORN
Disconnect the connector.
Remove the bolt and horn.
INSPECTION
1. INSPECT LOW PITCHED HORN
Apply battery voltage and check operation of the
horn, as shown in the table.
Stan ...
Disassembly
1. SEPARATE REAR DRIVE SHAFT INBOARD JOINT BOOT CLAMP
(a) Using a screwdriver, remove the 2 rear drive shaft
inboard joint boot clamps as shown in the
illustration.
2. SEPARATE REAR DRIVE SHAFT INBOARD JOINT
BOOT
(a) Separate the rear drive shaft inboard joint boot from
the inboard joint ...
If the battery is
discharged
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can call your Toyota dealer or qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by following ...