INDICATOR-AIR FILTER SERVICE 2603122 - Caterpillar

Illustration 1 g00506532
Schematic of Travel Alarm This diagnostic code is recorded when the VIMS main module reads the voltage of the action alarm (wire 410-WH) and the voltage is above normal. There is a possible short to the +battery circuit. This condition will cause the action alarm to SOUND CONTINUOUSLY.
CHECK OF THE ALARM CIRCUIT
Turn the disconnect switch and the key start switch to the OFF position.
Disconnect the machine harness from the VIMS main module.
Turn the disconnect switch to the ON position.
Listen for the continuous SOUNDING of the action alarm.
Turn the key start switch to the ON position.Expected Result: The alarm is SOUNDING continuously.Note: The action alarm will sound during the key ON self-test.Results:
OK - Alarm is SOUNDING continuously. The harness circuit (wire 410-WH) is shorted to the +battery. Repair the harness or replace the harness. STOP.
NOT OK - Alarm does NOT SOUND. The VIMS main module has failed. Replace the VIMS main module. Refer to the Testing and Adjustment, "Module - Replace" section of this manual. STOP.