TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

TM-9-2320-361-24-1 - Page 327 of 1176

TM 9-2320-361-24-1

0018 00

0018 00-23

SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINE—

REPROGRAMMABLE STE/ICE-R NO-GO CHAIN TROUBLESHOOTING (Contd)

Table 2. STE/ICE-R No-Go Chain Test (Contd).

STARTER CIRCUIT TESTS (Contd)

NG80

TK

MODE

CHECK STARTER SOLENOID VOLTAGE:

• Move red clip lead of test probe to positive

terminal of starter solenoid.

• Press TEST.

• Crank engine and observe displayed voltage.

• Is starter solenoid voltage above 18 volts?

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• If starter circuit resistance was high in

step 2, proceed to Battery

Compartment –Positive Side—Voltage

Drop Checks, NG 120.

• If GO message occurred during starter

circuit resistance test in step 2, check

switches and wiring to solenoid, If OK,

replace starter (WP 0088 00).

NOTE

After completing repair, rerun GO Chain tests (WP 0017 00)

to verify that problem is fixed and no other problems exist.

NO

YES

NO

YES

NG120

NG81

NOTE

After completing repair, rerun GO Chain

tests (WP 0017 00) to verify that problem

is fixed and no other problems exist.

• Go to Battery Test,

NG 81.

• Check switches and wiring to starter solenoid.

• Repair as necessary (WP 0089 00 or WP 0090 00).

CHECK BATTERY VOLTAGE WHILE CRANKING:

• Dial 67 into TEST SELECT switches and press

TEST.

• Crank engine and observe displayed voltage.

• Was battery voltage above 19 volts while cranking?

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