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 676 of 855

TM 9-2350-277-20-1

MSD/ICE TEST 24 FUEL SUPPLY PRESSURE DIAGNOSTIC

TROUBLESHOOTING — Continued

0143 00

3Y

1.

Remove harness 12354593 P1 (1) from MSD/ICE

distribution box jack J1 (2).

2.

Set up Test 92. See TM 9-6625-2301-14&P.

3.

Measure MSD/ICE distribution box resistance as follows:

between J2 (3) pin AB (4) and J2 (3) pin f (7),

between J2 (3) pin AB (4) and J2 (3) pin g (8),

between J2 (3) pin AB (4) and jack J1 (2) pin N (5),

between J2 (3) pin AB (4) and jack J1 (2) pin W (6).

4.

Does MSD read between 3600 and 4400 ohms for each

measurement?

3YN

1.

ReplaceMSD/ICE distribution

box (WP 0874 00, WP 0875 00,

or WP 0877 00).

2.

Verify no faults found.

4Y

1.

Set up Test 91. See TM 9-6625-2301-14&P.

2.

Measure resistance between harness 12354593 plug P1

(1), pins N (2) and W (3).

3.

Does MSD read infinity?

4YN

GO TO

DY

(PAGE 0143 00-8)

014300-3

Change 5