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 696 of 855

TM 9-2350-277-20-1

MSD/ICE TEST 26 FUEL FILTER PRESSURE DROP DIAGNOSTIC

TROUBLESHOOTING — Continued

0145 00

3Y

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 s (3) and t (4).

3.

Does MSD read more than 52k ohms?

3YN

1.

Faulty W1 cable. Beyond unit

maintenance repair.

2.

Notify supervisor.

4Y

1.

Replace MSD/ICE distribution box (WP 0874 00,

WP 0875 00, or WP 0877 00).

2.

Verify no faults found.

BY

1.

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

box jack J2 (2).

2.

Measure continuity between MSD/ICE distribution box

jack J2 (2), pins s (3) and t (4).

3.

Does MSD read more than 0 ohms?

BYN

1.

Faulty W1 cable. Beyond unit

maintenance repair.

2.

Notify supervisor.

014500-3

Change 5