Toyota Hilux Surf 1993 Owner's Manual page 718

BRAKE SYSTEM – Rear–Wheel Anti–Lock Brake System
(e) Drive the vehicle straight ahead at about 20 km/h
(12.4 mph) or more, depress the brake pedal
strongly.
(f) Check that the warning light turns on while braking.
(g) Drive the vehicle straight ahead at about 50 km/h
(31 mph) or more, and stop the vehicle.
(h) Check that the warning light blinks about 4 times
every 1 second as shown.
(i) Using SST, connect terminals Tc and E 1 of the data
link connector 1.
SST 09843–18020
(j) Check that the warning light shows the normal
code.
(k) In event of a malfunction, 2.5 seconds later the
warning light will begin to blink. Read the number of
blinks.
(See DIAGNOSTIC TROUBLE CODE on page BR–86)
HINT: The first number of blinks will equal the first digit
of a two digit diagnostic trouble code. After a 1.5 sec–
onds pause, the 2nd number of blinks will equal the 2nd
number of a two digit code. If there are two or more
codes, there will be a 2.5 seconds pause between
each,
and indication will begin after 2.5 seconds pause from
the smaller value and continue in order to larger.
BR–85