Test KE: Step 18

18) Check ISC Circuit For Short to Ground  Turn key off and wait 10 seconds. Leave ISC solenoid disconnected. Disconnect ECA 60-pin connector. Inspect for damaged or corroded terminal pins. Service as necessary. Install breakout box, leaving ECA disconnected. Set DVOM on 200-k/ohm scale. Measure resistance between test pin No. 21 and test pins No. 40, 46, and 60. If any reading is less than 10 k/ohms, repair short to ground and remove breakout box. Reconnect components and repeat QUICK TEST. If all readings are 10 k/ohms or more, go to next step.