Toyota Camry Manual page 940

BR–254
BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS)
REAR SPEED SENSOR
COMPONENTS
REAR SPEED SENSOR AND SENSOR
ROTOR SERRATIONS INSPECTION
(REFERENCE)
INSPECT REAR SPEED SENSOR AND SENSOR
ROTOR SERRATIONS BY USING AN OSCILLO–
SCOPE
(a) Connect an oscilloscope to the speed sensor connec–
tor.
(b) Run the vehicle at 20 km/h (12.4 mph), and inspect
speed sensor output wave.
(c) Check that C is 0.5 V or more.
If not as specified, replace the speed sensor.
(d) Check that B is 40 96 or more of A.
If not as specified, replace the rear axle hub.