CHECK HARNESS BETWEEN VEHICLE SPEED SENSOR AND ECM CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from vehicle speed sensor and ECM.

3) Measure the resistance of harness between vehicle speed sensor connector and chassis ground.

Connector & terminal

(B17) No. 1 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair ground short circuit of harness between vehicle speed sensor and ECM connector.