Toyota Tundra 2005 Service - Repair - Maintenance page 2649

BRAKE − HYDRAULIC BRAKE BOOSTER (w/ VSC)
(e) Inspect front ABS solenoid (SFLH) operation.
HINT:
S
ON: Activate SFLH, depress the brake pedal, and then
check that the left front wheel rotates.
S
OFF: Deactivate SFLH, depress the brake pedal, and
then check that the front left wheel does not rotate.
(1) Select "SFLH" on the hand−held tester.
(2) Turn the "SFLH" on by the hand−held tester, then
depress the brake pedal with stable force.
(3) When the solenoid is on, check the left front wheel
by rotating it by hand.
If the left front wheel stops, replace the hydraulic brake booster.
NOTICE:
When operating it continuously, set the interval of more
than 20 seconds.
HINT:
S
To protect the solenoids, the hand−held tester turns off
automatically 2 seconds after every solenoid has been
turned on.
S
When rotating the wheel fast, the fail−safe function is acti-
vated and judgement cannot be made properly.
So rotate the wheel as slowly as possible.
(4) When the solenoid is off, depress the brake pedal
again and check that the left front wheel does not
rotate by hand.
If the left front wheel rotates, replace the hydraulic brake boost-
er.
BR−73