| CHECK HARNESS BETWEEN ECM AND ELECTRONIC THROTTLE CONTROL RELAY. |
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1) Turn the ignition switch to OFF. 2) Disconnect the connectors from the ECM. 3) Measure the resistance between ECM and chassis ground. Connector & terminal (B136) No. 21 — Chassis ground: |
| QUESTION | |
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Is the resistance 1 MΩ or more? | |
| Yes | No |
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Repair the poor contact of the ECM connector. |
Repair the short circuit in harness to ground between ECM and electronic throttle control relay connector. |