Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH TECHSTREAM
HINT:
The items in the table below can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Be sure to m ...
Removal
REMOVAL
PROCEDURE
1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
See page for 2GR-FE
See page for 1AR-FE
2. REMOVE FRONT NO. 1 STABILIZER BRACKET LH
3. REMOVE FRONT NO. 1 STABILIZER BRACKET RH
HINT:
Perform the same procedure as for the LH side.
4. REM ...
Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
This DTC is stored when the engine switch power source supply line is open or
shorted.
DTC No.
DTC Detection Condition
Trouble Area
B278A
Engine switch power source supply line is ope ...