Test 8 - ECU Ground Check

Testing EICU Pin 5 For Ground:

1. Check pin 5 of the ECU for ground.
2. If ground is obtained reinstall connectors and check for spark. If no spark is obtained replace the ECU.
3. If no ground is obtained check ECU for poor or dirty connections and for tight mounting screws
4. Reinstall connectors and check for spark. If no spark is obtained replace the ECU.