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 338 of 1176

TM 9-2320-361-24-1

0018 00

0018 00-34

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).

DO TEST PROBE CABLE OFFSET:

• Short clip leads of test probe cable W2 together.

• Dial 89 into TEST SELECT switches.

• Press and hold TEST until CAL message appears

on display.

• Release TEST.

• Wait for offset value to appear on display.

• Is offset value within limits of –6.8 to +6.8?

1

• STE/ICE-R is bad. Replace.

NOTE

Check voltage drop across solenoid, and all cables/

connections in positive side of starter circuit. Use

procedure outlined below for each voltage drop check.

NOTE

Test GO 1 (WP 0017 00), VTM Connections and Checkout,

must be performed before running any other STE/ICE-R test.

NO

YES

TEST NO.

TEST

89

0–45 VOLTS DC

PROMPTING

MESSAGE

NOTE

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

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

BATTERY COMPARTMENT—

POSITIVE SIDE VOLTAGE DROP CHECKS

NG120

TK

MODE

MEASURE VOLTAGE DROP:

• Connect clip leads of W2 across part to be measured.

• Press TEST switch.

• Press starter switch on vehicle.

• The voltage drop across a connection should be less

than 0.1 volt and the drop across a cable should be

less than 0.2 volt.

• Repair or replace defective part.

2