Test DN: Step 4

4) Check EVP Circuit For Shorts to Ground  With key off and EVP sensor disconnected, leave breakout box installed and ECA disconnected. Set DVOM on 200-k/ohm scale. Measure resistance between test pin No. 27 and test pins No. 40, 46 and 60. If any reading is less than 10 k/ohms, repair short circuit. Reconnect all components and remove breakout box. Repeat QUICK TEST. If both readings are 10 k/ohms or more, replace ECA. Connect EVP and remove breakout box. Repeat QUICK TEST.