Check Control Module Grounding to Control Module Casing [EJ2]

Check Control Module Grounding To Control Module Casing





- Ignition off.





- Disconnect test box adapter from connector to car leads. Test box and adapter should only be connected to control module.





Connect an ohmmeter between control module casing and #1 on test box.

Ohmmeter should read infinite resistance.

If reading is OK:
- Check control module EJ3. Check Control Module [EJ3]

If reading is incorrect:
- Try another control module.