A4 - Rear ABS Light Power

A4 REAR ABS LIGHT POWER

- Check for voltage to the rear ABS light:
- Remove the harness connector from the anti-lock electronic control module.
- Set the multimeter on the 20 VDC scale position.
- Turn ignition to the "ON" position.
- Check the voltage between harness connector pin 7 and a known good chassis ground.

Are at least 9 volts present?

> Yes
Replace the anti-lock electronic control module. Repeat the System Precheck.

> No
Go to Pinpoint Test A5. [1][2]A5 - Power to Rear ABS Light Fuse