Checking Ground Terminals

Checking Ground Terminals







- Ignition off.
- Control module disconnected.
- Turn of all equipment in the car that takes power from the battery (the interior lighting and radio etc).

Connect an ohmmeter between #53 on the breakout box and the battery negative terminal.

The ohmmeter should read approximately 0 Ohm.

OK: Refer to Checking Control Module Power Supply. Checking Control Module Power Supply
NOT OK: Refer to Checking For an Open-Circuit. Contact Resistance and Oxidation. Checking For an Open-Circuit, Contact Resistance and Oxidation