TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 670 of 855

TM 9-2350-277-20-1

DCA CURRENT SHUNT DIAGNOSTIC TROUBLESHOOTING — Continued

0142 00

BY

1.

Remove plug W1 P2 (1) from MSD/ICE distribution

box jack J2 (2).

2.

Measure resistance between MSD/ICE distribution box

jack J2 (2), socket X (3) and Y (4).

3.

Does MSD read more than one ohm?

BYN

1.

Faulty W1 cable. Beyond unit

maintenance repair.

2.

Notify supervisor.

B2Y

1.

Remove harness 12354593 P1 (1) from MSD/ICE

distribution box jack J1 (2).

2.

Measure resistance between harness 12354593 P1 (1),

socket s (3) and m (4).

3.

Does MSD read more than one ohm?

B2YN

1.

Replace MSD/ICE distribution box

(WP 0874 00 thru WP 0877 00).

2.

Verify no faults found.

014200-3

Change 5