Accessing Diagnostic Codes

1. Locate cruise control unit connector.
2. Connect a 1.4 watt test lamp between terminals shown with connector attached to the control unit, Fig. 3 and 4.

Fig. 3 Cruise Control Unit Connector:

Fig. 4 Cruise Control Unit Connector:

3. Turn ignition switch to On position.
4. To access condition detection mode, turn cruise control on using main switch, then turn and hold Resume/Accel witch for more than three seconds. The test lamp will illuminate for three seconds and go out for two seconds.
5. The self diagnostic system is activated and the test light will flash if a problem is present. Refer to Diagnostic Trouble Code Interpretation for further information regarding interpretation of test light flashes and specific diagnostic trouble codes.