CHECK HARNESS BETWEEN ECM AND KNOCK SENSOR CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from ECM.

3) Measure the resistance between ECM connectors.

Connector & terminal

Euro 4 model

(B137) No. 17 — (B137) No. 31:

Euro 5 model

(B134) No. 9 — (B134) No. 29:

QUESTION

Is the resistance less than 500 kΩ?

Yes No