Test Aa1 - Code 11 And/Or 99 Electrical Disturbance

Attach Star Tester (007-00017) to anti-lock self-Test connectors.

1. Press Tester push button. Note all service codes. If service code 11 and/or 99 is displayed, replace electronic controller.
2. Wait 45 seconds and repeat self-Test. Note all service codes again. If another service code is displayed, perform appropriate SELF-TEST .
3. Drive vehicle above 25 MPH to clear codes. Perform Self-Test again. If no codes appear, system is functioning properly. If service codes appear, perform appropriate SELF-TEST .