CHECK WIRING HARNESS.

1) Disconnect the ABS/VDC CM connector.

2) Using a tester, measure the voltage between the ABS/VDC CM connector and chassis ground when the ignition switch is turned OFF and to ON.

Connector & terminal

(B310) No. 33 (+) — Chassis ground (−):

QUESTION

Does the voltage change from less than 1 V to 8 V or more?

Yes No

Check the ABS/VDC CM vehicle speed signal circuit.