Electronic Control System Gas Plus Engines – Fault Code Warning Lamps Do Not Illuminate

Symptom Tree  t084

This is symptom tree t084
Cause Correction

Verify the complaint

Refer to the INSITE™ electronic service tool User Manual.

 

Fault code warning lamps are burned out

Check the warning lamps for voltage. Replace the bulbs if necessary. Refer to Procedure 019-047.

 

Fault code warning lamp circuit is malfunctioning

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

 

Battery voltage is low

Inspect the batteries and the unswitched battery supply circuit. Refer to Procedure 019-087.

 

Diagnostic switch or circuit is malfunctioning

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

 

Keyswitch circuit is malfunctioning

Check the vehicle, equipment, or vessel keyswitch circuit. Refer to Procedure 019-064.

 

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.

 
Last Modified:  29-Sep-2004