TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 424 of 890
TM 9-2320-280-20-1 KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR TESTS NO YES NO YES GLOWPLUGS CIRCUIT 2-318.14 Change 1 DIAGNOSTIC FLOWCHART GLOWPLUG CURRENT OK DISTRIBUTION BOX OK GLOWPLUGS NOT CYCLING WIRING GLOWPLUG CONTROLLER DISCONNECT BATTERY NEGATIVE CABLE. DISCONNECT DISTRIBUTION BOX ENGINE CONNECTOR. IS THERE CONTINUITY FROM ENGINE CONNECTOR HARNESS SOCKET 'C' TO GLOWPLUG CONTROLLER HARNESS SOCKET 4? 1. STE/ICE-R TEST 91 (Page 2-752) 2. MULTIMETER Wire 570A controls glowplug cycling. E1 REPAIR WIRE 570A OR REPLACE HARNESS E2 GLOWPLUG CURRENT OK DISTRIBUTION BOX OK GLOWPLUGS NOT CYCLING WIRING GLOWPLUG CONTROLLER 1. STE/ICE-R TEST 91 (Page 2-752) 2. MULTIMETER The controller can't work properly without a proper ground. RECONNECT DISTRIBUTION BOX ENGINE CONNECTOR. IS THERE CONTINUITY FROM GLOWPLUG CONTROLLER HARNESS SOCKET 5 TO ENGINE GROUND? REPAIR WIRE 93A OR REPLACE HARNESS REPLACE CONTROLLER E From B1, Page 2-318.8