Deceleration Sensor Operation Diagnosis System; Inspect Sensor Detection Point - Toyota LAND CRUISER Service Manual Supplement

BR-38
BRAKE SYSTEM (STATION WAGON) - ANTI-LOCK BRAKE SYSTEM (ABS)
DECELERATION SENSOR
OPERATION DIAGNOSIS SYSTEM
PRECAUTION
While checking the deceleration sensor operating
diagnosis system, the Anti-lock Brake System does not
work and brake system works as normal brake system.
DIAGNOSIS SYSTEM INSPECTION
1. INSPECT BATTERY VOLTAGE
Inspect that the battery voltage is about 12 V.
2. CHECK THAT WARNING LIGHT TURNS ON
(a) Turn the ignition switch to ON.
(b) Check that the " A B S " warning light turns on for about 3
seconds.
If not, inspect and repair or replace the fuse, bulb and
wire harness.
(c) Check that the " A B S " warning light turns off.
(d) Turn the ignition switch to OFF.
3. PERFORM FOLLOWING STEPS
(a) Using SST, connect the terminal
nector.
SST 09843-18020
(b) Check that the warning light blinks about 4 time every 1
second when 3 seconds after the engine is started.
4.

INSPECT SENSOR DETECTION POINT

(a) Jack up the rear side of the vehicle slowly as shown.
HINT: When measuring the height, measure at the
center of the lower body of the vehicle.
(b) Check that the warning light does not turn on.
If the warning light turns on, inspect the deceleration sen-
sor installation. And if the sensor installation is OK,
replace the deceleration sensor.
(c) Jack down the vehicle slowly.
to of the check con-