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 686 of 855

TM 9-2350-277-20-1

MSD/ICE TEST 25 FUEL RETURN PRESSURE DIAGNOSTIC

TROUBLESHOOTING — Continued

0144 00

3Y

1.

Remove harness 12354593 P1 (1) from MSD/ICE

distribution box jack J1 (2).

2.

Measure resistance between MSD/ICE distribution box jack

J2 (3), pin AB (4) and the following jack pins:

J2 (3), pin f (5)

J2 (3), pin g (6)

J1 (2), pin g (7)

J1 (2), pin h (8)

3.

Does MSD read between 3600 and 4400 ohms for each

measurement?

3YN

1.

Replace MSD/ICE distribution

box (WP 0874 00, WP 0875 00,

or WP 0877 00).

2.

Verify no faults found.

4Y

1.

Measure resistance between harness 12354593 plug P1

(1), pins g (2) and h (3).

2.

Does MSD read infinity?

4YN

GO TO

DY

(PAGE 0144 00-9)

014400-3

Change 5