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 127 of 1078

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

0017 00

0017 00-9

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

GAUGE TEST (Contd)

NG31

DCA

MODE

3

ISOLATE FAULT TO SENDING UNIT OR GAUGE:

• Remove wire from engine temperature or oil

pressure sending unit on vehicle.

• Connect red clip lead of W2 to wire removed from

sending unit.

• Connect black clip lead to a good ground.

• Press TEST.

• Turn vehicle accessory switch ON.

• Does VTM indicate battery voltage?

NO

YES

• Refer to Electrical

Troubleshooting (WP 0011 00)

to check and isolate fault to

wiring harness or gauge.

• Replace engine temperature

(WP 0114 00) or oil pressure

transducer (WP 0100 00) as

applicable.

NOTE

After completing repair, rerun the GO-Chain

tests to verify that the problem is fixed and

that no other problems exist.