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 679 of 855

TM 9-2350-277-20-1

MSD/ICE TEST 24 FUEL SUPPLY PRESSURE DIAGNOSTIC

TROUBLESHOOTING — Continued

0143 00

B3Y

1.

Remove harness 12354672 P4 (1) from harness

12354593 jack J1 (2).

2.

Measure resistance between harness 12354672 plug P4

(1), pins S (3) and K (4).

3.

Does MSD read infinity?

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 MSD/ICE distribution

box jack J2 (2).

2.

Measure resistance between MSD/ICE distribution box jack J2

(2), pins v (3) and u(4)

.MSDshouldread0ohms

.

3.

Does MSD indicate a fault?

CYN

1.

Faulty W1 cable. Beyond unit

maintenance repair.

2.

Notify supervisor.

014300-6

Change 5