F12356
DI-298
-
DIAGNOSTICS
ABS WITH EBD & BA & TRAC & VSC SYSTEM
452
Author:
Date:
2001 SIENNA (RM787U)
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 in case of using the TOYOTA hand-held tester and start from step 4 in case
of not using the TOYOTA hand-held tester.
1
Check output value of the yaw rate sensor.
PREPARATION:
(a)
Remove the 2 nuts and yaw rate sensor with connector
still connected.
(b)
Connect the TOYOTA hand-held tester to the DLC3.
(c)
Turn the ignition switch ON and push the TOYOTA hand-
held tester main switch ON.
(d)
Select the DATALIST mode on the TOYOTA hand-held
tester.
CHECK:
Check that the yaw rate value of the yaw rate sensor displayed
on the TOYOTA hand-held tester is changing: Place the yaw
rate sensor vertically to the ground and turn the sensor pivoted
on its center.
OK:
Yaw rate value must be changing.
NG
OK
2
Check the steering angle sensor zero point.
PREPARATION:
(a)
Connect the TOYOTA hand-held tester to the DLC3.
(b)
Turn the ignition switch ON and push the TOYOTA hand-held tester main switch ON.
(c)
Select the DATALIST mode on the TOYOTA hand-held tester.
CHECK:
Check whether steering angle sensor value is nearly equal to 0 degree when steering wheel is adjusted to
neutral.
NG
Calibrate the steering angle sensor zero point
(See page
).
OK
