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 286 of 1176

TM 9-2320-361-24-1

0017 00

0017 00-4

SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINE—REPROGRAMMABLE

(STE/ICE-R) GO CHAIN TROUBLESHOOTING (Contd)

Table 2. STE/ICE-R Go Chain Test (Contd).

VTM CONNECTIONS AND CHECKOUT (Contd)

G01

TK

MODE

3

1

• Proceed to step 3.

• If only a portion of .8.8.8.8 or four

dashes is displayed, a display

module may be burned out. Refer

to TM 9-4910-571-12&P.

• Repeat step 2.

NO

YES

NO

YES

• No power to VTM, connect

to a known good battery to

see if problem is vehicle

batteries or VTM.

NO

YES

• Does display light up?

• PULL OFF the power switch.

• Check W5 connections for reversed polarity.

• Check, clean, and oil battery connections and

interconnecting battery cables.

• PUSH ON the power switch.

• Does the VTM display .8.8.8.8 and then change

to four dashes?

NO

YES

• PULL OFF the power switch.

• Connect red clip lead of W5 to a known good

battery.

• Connect negative terminal of good battery

to ground on vehicle under test.

• PUSH ON power switch.

• Does VTM display .8.8.8.8 and then change

to four dashes?

• Proceed to TM 9-4910-571-12&P

for fault isolation of cable W5.

• If cable is bad, replace cable.

• If cable is good, STE/ICE-R is bad.

Replace.

• Check vehicle electrolyte level.

• Clean vehicle battery terminals.

• Charge vehicle batteries.

• Return to step 1.