A3 RABS II Module Ground

NOTE: When checking resistance in the antilock system, always disconnect the battery to starter relay cable. Improper resistance may occur with the vehicle battery connected.

- Check for good RABS II module ground:

- Remove harness connector from antilock electronic control unit.

- Set ohmmeter on the 200 ohm scale.

- Check for resistance between harness connector Pin 4 and chassis ground.

- Is resistance less than 1.0 ohm?

YES -- Reconnect battery ground cable. Go to A4. [1][2]A4 - Rear ABS Light Power

NO -- Check for open in module ground wire. Check for loose, dirty or broken connector pins. Repair as necessary. Repeat System Pre-Check. System Pre-Checks