TM-9-2320-386-24-1-1

2-1/2-TON, 6X6, M44A3 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; EXTENDED SERVICE PROGRAM (ESP); UNIT, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL; VOLUME 1 OF 2

MAY 2001

TM-9-2320-386-24-1-1 - Page 132 of 1078

TM 9-2320-386-24-1-1

0017 00

0017 00-14

Table 2. STE/ICE-R NO-GO-Chain Tests (Contd)

STARTER CIRCUIT TESTS (Contd)

NG80

DCA

MODE

3

CHECK STARTER VOLTAGE:

• Dial 68 into TEST SELECT and press TEST.

• Engage fuel shutoff switch and crank the engine and

observe the displayed voltage.

• Is the voltage above 18.5 volts minimum?

4

STARTER NEGATIVE CABLE DROP:

• Dial 69 into TEST SELECT and press TEST.

• Engage fuel shutoff switch and crank the engine and

observe the displayed voltage.

• Is the cable drop less than the limit on the VTC?

NO

YES

• Proceed to step 5.

5

4

NO

YES

• Inspect and clean all ground cables from starter,

engine, and batteries, and check for integrity.

Repair as necessary (WP 0125 00).

• Repeat step 4.

TEST NO.

TEST

69

STARTER NEGATIVE

CABLE DROP

TEST NO.

TEST

68

STARTER MOTOR

VOLTAGE

• Replace starter motor (WP 0091 00).

NOTE

After completing repair, rerun the GO-Chain

tests to verify that the problem is fixed and

that no other problems exist.