Toyota LAND CRUISER Service Manual Supplement page 254

BR-32
BRAKE SYSTEM (STATION WAGON) - ANTI-LOCK BRAKE SYSTEM (ABS)
Continued from page BR-31
Is there foreign material or ferric chips on the sensor tip?
NO
Try deceleration sensor operation diagnosis system.
(See page BR-38) is sensor operation OK?
YES
Inspect the actuator operation. (See page BR-52)
Is actuator operation OK?
YES
Repalce ECU.
5 Anti-lock brake system operations infficiently.
Pull out the short pin and connect terminals
of check connector. (See page BR-25)
Does warning light show the diagnostic normal code?
(Ignition switch on)
YES
Is there battery voltage between ECU terminal STP
and body ground when depressing brake pedal?
YES
Inspect actuator. (See page BR-52)
YES
Clean chips from the speed sensor.
NO
Faulty deceleration sensor or sensor in-
stallation faulty.
NO
Faulty actuator.
and
NO
See diagnostic code.
(See page BR-26)
NO
Open circuit in stop light switch and/or
wire harness.