TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 STE/ICE TEST 25 FUEL RETURN PRESSURE DIAGNOSTIC TROUBLESHOOTING—Continued 0144 00 B3Y 1. Remove harness 12354672 P4 (1) from harness 12354593 jack J1 (2). 2. Measure resistance between harness 12354672 plug P4 (1), pins b (3) and c (4). 3. Does VTM read infinity? YES NO B3YN 1. Replace wiring harness 12354672 (WP 0882 00) . 2. Verify no faults found. B4Y 1. Replace wiring harness 12354593 (WP 0882 00). 2. Verify no faults found. CY 1. Remove plug W1 P2 (1) from STE/ICE distribution box jack J2 (2). 2. Measure resistance between STE/ICE distribution box jack J2 (2), pins AC (3) and AD (4). VTM should read 0 ohms. 3. Does VTM indicate a fault? YES NO CYN 1. Faulty W1 cable. Beyond unit maintenance repair. 2. Notify supervisor. 0144 00-6