Reading and Clearing Diagnostic Trouble Codes

1. Turn ignition switch on and ensure anti-lock warning light comes on.
2. Start engine and check anti-lock warning light. If light goes off, there is no problem with anti-lock brake system. If light comes on proceed to step 3.

Fig. 44 LED Readout Location.:

3. Remove anti-lock brake maintenance lid, Fig. 44.

Fig. 19 Reading Blinking Frequency From LED Readout:

4. Turn ignition switch on and record blinking frequency of LED on control unit. Blinking frequency indicates problem code, Fig. 19.
5. Refer to DIAGNOSTIC CHARTS for code diagnosis.
6. After a repair is completed, disconnect anti-lock brake B2 fuse for at least three seconds to erase control units memory, then turn ignition switch on and recheck.