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 339 of 1176

TM 9-2320-361-24-1

0018 00

0018 00-35

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).

NOTE

Check voltage drop across all cable/connections

in negative 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.

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

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

NO

YES

BATTERY COMPARTMENT—

NEGATIVE SIDE VOLTAGE DROP CHECKS

NG121

TK

MODE

• STE/ICE is bad. Replace.

PROMPTING

MESSAGE

NOTE

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

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