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 697 of 855

TM 9-2350-277-20-1

MSD/ICE TEST 26 FUEL FILTER PRESSURE DROP DIAGNOSTIC

TROUBLESHOOTING — Continued

0145 00

B2Y

1.

Remove harness 12354593 P1 (1) from MSD/ICE

distribution box jack J1 (2).

2.

Measure resistance between 12354593 P1 (4), pins

C(3)andD(1)

.

3.

Does MSD read more than 0 ohms?

B2YN

1.

Replace MSD/ICE distribution

box (WP 0874 00, WP 0875 00,

or WP 0877 00).

2.

Verify no faults found.

B3Y

1.

Remove harness 12354672 P4 (1) from harness

12354593 jack J1 (2).

2.

Measure resistance between harness 12354672 plug P4

(1), pins J (3) and H (4).

3.

Does MSD read more than 0 ohms?

B3YN

1.

Replace FUEL FILTER PRESSURE

DROP switch (WP 0328 00).

2.

Verify no faults found.

014500-4

Change 5