TM-9-2320-361-24-1 Page 315

TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks

Page 315 of 1176

TM 9-2320-361-24-1 0018 00 0018 00-11 SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINE— REPROGRAMMABLE STE/ICE-R NO-GO CHAIN TROUBLESHOOTING (Contd) Table 2. STE/ICE-R No-Go Chain Test (Contd). GAUGE TEST (Contd) TK MODE NG31 • Refer to Troubleshooting Index (WP 0014 00) to check and isolate fault to wiring harness and gauge. NOTE After completing repair, rerun GO Chain tests (WP 0017 00) to verify that problem is fixed and no other problems exist. • Replace oil pressure sending unit (WP 0106 00). ISOLATE FAULT TO SENDING UNIT OR GAUGE: • Remove wire from oil pressure sending unit on vehicle. • Connect red clip lead of W2 to wire removed from sending unit. • Connect black clip lead to a good ground. • Press TEST. • Turn vehicle accessory switch ON. • Does VTM indicate battery voltage? 3 RED TEST PROBE CABLE W2 BLACK CONNECTOR REMOVED FROM TEMP SENDING UNIT OIL PRESSURE SENDING UNIT FAULT ISOLATION NO YES