TM-9-2320-386-10

2-1/2-TON, 6X6, M44A3 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; EXTENDED SERVICE PROGRAM (ESP); OPERATOR’S MANUAL

JANUARY 1996

TM-9-2320-386-10 - Page 163 of 223

TM 9-2320-386-10

Change 1

3-13

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Table 3-1. Troubleshooting (Contd).

Step 4. If ECU continues to fail to operate, notify unit maintenance.

Step 5. If problem persists, inflate/deflate tires manually (para. 3-9) and

notify unit maintenance.

END OF TESTING!

26. TIRES WILL NOT INFLATE/DEFLATE

Step 1. Check for loose wiring harness connectors on power manifold.

If loose, reconnect.

Step 2. Check for loose wiring harness connectors on back of ECU.

If loose, reconnect.

Step 3. Visually inspect ECU, manifold, and wheel valves for damage.

If damaged, notify unit maintenance.

Step 4. Check tire pressure. If below 10 psi (69 kPa), CTIS will not inflate

tire.

Step 5. If problem persists, inflate/deflate tires manually (para. 3-9) and

notify unit maintenance.

END OF TESTING!

COMPRESSED AIR SYSTEM

27.

Deleted

28. WATER APPEARS WHEN AIR RESERVOIRS ARE DRAINED

Notify unit maintenance.