TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 277 of 1205
TM 9-2320-387-24-l REFERENCE INFORMATION 0 II . . WARNING PROTECTIVE CONTROL BOX IGNITION SWITCH POSrnON DIAGNOSTIC CHECKS (GO TASKS) OFF LEDs 1.3.4.6.7 - ON; Remaining LEDs OFF. RUN LEDs 1.2.3.4.5.6.7.6.11.13 -ON. LED 13 - OFF after a few seconds (glow plug warm-up time). ENGINE NOT LED 13 - OFF (if engine is at operating temperature). RUNNING) LED 11 - CYCLING ON and OFF (glow ptug controller operation). LEDs 9.10.12 -OFF. Release parking brake lever. LED 6 - Off. Engage parking brake lever. LED 6 - ON. START (ENGINE CRANKING) LED 10 - Momentarily ON and then remains OFF (starter motor frequency lockout). RUN (ENGINE RUNNING) LEDs 1.2.3.4.5.6.7.6.9.12 - ON. LED 11 - cycling ON and OFF (glow plug controller operation): OFF time tnterval i ncreases as engine warms up. LED 11 - OFF (when en LED 11 may remain OF ! ine is at operating temperature). from previous run). (when engine is at operating temperature LEDl3-OFF. Release parking brake lever. LED 6 - Off. Engage palking brake fever. LED 6 - ON. 1 Disconnect negative battery cable before disconnecting and reconnecting PCB harness. Failure to do so may result in injury to personnel or damage to equipment. Replace PCB (para. 4-4). - : Repair lead connectors (paa. 4-80). Repair lead (para. 4-80). 2-219