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CM2150 Electronic Control System – Fault Code Warning Lamps Do Not Illuminate

Symptom Tree  t084

This is symptom tree
Cause Correction

Keyswitch is in the OFF position

Turn the keyswitch to the ON position.
 

Fault code warning lamps are burned out

Check the warning lamps for voltage. Replace the bulbs if necessary. Refer to Procedure 019-046.
 

Fault code warning lamp circuit is malfunctioning

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

Keyswitch circuit is malfunctioning

Check the vehicle, equipment, or vessel keyswitch circuit. Refer to Procedure 019-064.
 
Last Modified:  24-Jul-2006
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