Operation CHARM: Car repair manuals for everyone.

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