With Super Monitor Display

1. Turn ignition switch to Off position.
2. Disconnect actuator connector.
3. Turn ignition switch to On position then set monitor display to calendar mode.
4. Push and hold the in SELECT and INPUT (M) buttons, Fig. 53, at the same time for more than three seconds.

Fig. 53 Accessing Diagnostic Trouble Codes. Models W/Super Monitor.:

5. Ensure display changes to DIAG.
6. Push and hold the SET button for more than three seconds and ensure display changes to ENG-.
7. Push the SET button twice and ensure the display changes to ABS.
8. Read diagnosis code. If code reads "OK" ABS computer is operating normally. If code reads "00" a faulty ABS computer or a short or open circuit in the wire harness between the ABS computer and the super monitor computer.