Toyota AVENSIS 2000 Supplement Manual page 317

DI–186
4 Check speed sensor and sensor rotor serrations.
Normal Signal Waveform
2 m/s / Division
1 V / Division
NG
5 Check sensor rotor and sensor tip.
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS –
REFERENCE: INSPECTION USING OSCILLOSCOPE
PREPARATION:
(a) Disconnect the connector from the ABS & BA & TRC &
VSC ECU.
GND
(b) Connect the oscilloscope to the terminals FR+, FL+, RR+
or RL+ and GND of the ECU harness side connector.
CHECK:
Drive the vehicle at about 30 km/h (19 mph), and check the sig-
nal waveform.
W04200
OK Check and replace ABS & BA & TRC & VSC ECU
with actuator assembly.
Front:
PREPARATION:
Remove the front drive shaft (See page SA–3).
CHECK:
Check the sensor rotor serrations.
OK:
No scratches, missing teeth or foreign objects.
PREPARATION:
Remove the front speed sensor (See Pub. No. RM599E on
R00948
page BR–41).
CHECK:
Check the sensor tip.
OK:
No scratches or foreign objects on the sensor tip.
ABS WITH EBD & BA & TRC & VSC SYSTEM