A4 - Rear ABS Light Power
Connector:
- Check for voltage to RABS light:
- Set multimeter on 20 VDC scale position.
- Turn ignition to the ON position.
- Check voltage between harness connector Pin 7 and a known good chassis ground.
- Are 9 volts present?
YES -- Replace anti-lock electronic control module. Repeat System Pre-Check. [1][2]A - Test system pre check
NO -- GO to A5. [1][2]A5 - Power to Rear ABS Light Fuse