Toyota AVENSIS 2000 Supplement Manual page 337

DI–206
DTC
C1237 / 37
CIRCUIT DESCRIPTION
DTC No.
Detection of any of conditions from 1. through 4.:
1. When the ignition switch is ON, the speed difference
between the rear right and rear left wheels is 5 km/h
(3mph) or more (vehicle speed: 100 km/h (62 mph) or
less).
2. When the ignition switch is ON, the slip difference be-
C1237 / 37
tween the reference wheel and any other wheels is 6%
or more (vehicle speed: 100 km/h (62 mph) or more).
3. Continuous ABS control for 60 sec. or more.
4. Interference on 1 or more wheels for 20 sec. with the
brake pedal depressed, or for 5 sec. when the brake
pedal is not depressed.
INSPECTION PROCEDURE
1 Check tire size.
OK
2 Check sensor rotor (See page DI–182).
OK
3 Check speed sensor (See page DI–182).
OK
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
Wrong Number of Teeth at 1 of 4 Wheels
DTC Detecting Condition
NG
NG
NG
– ABS WITH EBD & BA & TRC & VSC SYSTEM
S Tire size
S Speed sensor rotor
Replace tires so that all 4 tires are the same in
size.
Replace speed sensor rotor.
Replace speed sensor.
Trouble Area
DI7ZR–01