Cressida L6-2759cc 2.8L DOHC (5M-GE) (1988)
Vehicle Speed Sensor: Testing and Inspection
Speed Sensor
1.
On analog meters, proceed as follows:
a. Remove combination meter.
Fig. 27 Analog speed sensor combination meter
b. Connect a suitable ohmmeter between terminals SPD (+) and SPD ( - ), Fig. 27.
c. Revolve meter shaft, then check that indicator repeatedly deflects from zero to infinity.
2.
On digital meters, proceed as follows:
a. Remove combination meter with connecting wiring harness.
b. Turn ignition switch ``On.''
Fig. 28 Digital speed sensor combination meter
c. Connect a suitable voltmeter between SPD and GND, Fig. 28.
d. Revolve meter shaft, then check that indicator repeatedly deflects from 0-2 volts.