CHECK HARNESS BETWEEN TUMBLE GENERATOR VALVE POSITION SENSOR AND ECM CONNECTOR.

1) Turn the ignition switch to ON.

2) Measure the voltage between tumble generator valve position sensor connector and engine ground.

Connector & terminal

(E50) No. 3 (+) — Engine ground (−):

QUESTION

Is the voltage 4.9 V or more?

Yes No

Repair the battery short circuit of harness between tumble generator valve position sensor and ECM connector. After repair, replace the ECM.

Replace the tumble generator valve position sensor.