Toyota Camry Manual page 386

BODY ELECTRICAL SYSTEM
SPEED SENSOR INSPECTION
Operation
(a) Connect the positive (+) lead from battery to terminal
1 and negative (–) lead to terminal 2.
(b) Connect the positive (+) lead from tester to terminal 3
and negative (–) lead to terminal 2.
(c) Revolve shaft.
(d) Check that there is voltage change from approx. 0 V
to 1 1 V or more between terminals 2 and 3.
HINT: The voltage change should be 4 times par each
revolution of the speed sensor shaft.
If operation is not as specified, replace the sensor.
– COMBINATION METER
BE–67