1) Turn the ignition switch to OFF.
2) Disconnect the connectors from the ECM.
3) Measure the resistance between ECM connectors.
Connector & terminal
(B134) No. 19 — (B134) No. 18:
Is the resistance 1 MΩ or more?
Repair poor contact of the electronic throttle control connector. Replace the electronic throttle control if defective.
Repair the short circuit to power in the harness between ECM and electronic throttle control connector.