CHECK HARNESS BETWEEN ECM AND MASS AIR FLOW AND INTAKE AIR TEMPERATURE SENSOR CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from ECM.

3) Measure the resistance of harness between ECM and the mass air flow and intake air temperature sensor connector.

Connector & terminal

(B136) No. 31 — (B3) No. 3:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the open circuit in harness between ECM and the mass air flow and intake air temperature sensor connector.