Electronic Control System Gas Plus Engines – Fault Code Warning Lamps Stay On (No Apparent Reason)

Electronic fault codes active or high counts of inactive fault codes

Refer to Section TF for fault code troubleshooting.

Verify the complaint

Refer to the INSITE™ electronic service tool User’s Manual.

Diagnostic switch is in the ON position

Turn off the diagnostic switch.

Diagnostic switch or circuit is malfunctioning

Check the diagnostic switch and circuit. Refer to Procedures 019-027 and 019-028.

Fault code warning lamp circuit is malfunctioning

Check the fault code warning lamp circuit. Refer to Procedure 019-047.

Fault code warning lamp is not correct

Verify that the fault code warning lamp bulb is rated for 12 VDC and 200 mA. Refer to Procedure 019-046.