BR3890
F02201
DLC1
Ts
Tc
E
1
BR3904
0.13 sec.
0.13 sec.
ON
OFF
-
DIAGNOSTICS
ANTI-LOCK BRAKE SYSTEM
DI-221
375
Author:
Date:
2001 SIENNA (RM787U)
(c)
Clear the DTC.
(1)
Using SST, connect terminals Tc and E
1
of DLC1 or
Tc and CG of DLC3.
SST
09843-18020 or 09843-18040
(2)
Turn the ignition switch ON.
(3)
Clear the DTC stored in ECU by depressing the
brake pedal 8 or more times within 5 seconds.
(4)
Check that the warning light shows the normal
code.
(5)
Remove the SST from the terminals of DLC1 or
DLC3.
SST
09843-18020 or 09843-18040
2.
SPEED SENSOR SIGNAL CHECK
(a)
Turn the ignition switch OFF.
(b)
Using SST, connect terminals Ts and E
1
of DLC1.
SST
09843-18020
(c)
Start the engine.
(d)
Check that the ABS warning light blinks.
HINT:
If the ABS warning light does not blink, inspect the ABS warning
light circuit (See page
(e)
Drive vehicle straight forward.
Drive vehicle faster than 45 km/h (28 mph) for several se-
conds.
(f)
Stop the vehicle.
(g)
Using SST, connect terminals Tc and E
1
of DLC1 or Tc and
CG of DLC3.
SST
09843-18020 or 09843-18040
(h)
Read the number of blinks of the ABS warning light.
HINT:
See the list of DTC on next page.
If every sensor is normal, a normal code is output (A cycle of
0.25 sec. ON and 0.25 sec. OFF is repeated).
If 2 or more malfunctions are indicated at the same time, the
lowest numbered code will be displayed 1st.
