CENTRAL TIRE INFLATION SYSTEM (CTIS)

TM 9-2320-386-10

Table 3-1. Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 5. Check aftercooler for debris or deposits.

If debris or deposits are found, notify unit maintenance.

Step 6. Check outside of radiator core for obstructions.

If clogged, remove debris. Refer to table 2-1.

Step 7. Check radiator fan.

If fan is not turning, check for loose or broken drivebelt.

If loose or broken, notify unit maintenance.

Step 8. Check radiator fan clutch operation.

If fan is not turning, notify unit maintenance.

Step 9. Check for loose or broken water pump drivebelt.

If loose or broken, notify unit maintenance.

END OF TESTING!

CENTRAL TIRE INFLATION SYSTEM (CTIS)

24. INADEQUATE TIRE INFLATION/DEFLATION UNDER VARIOUS ROAD

CONDITIONS

Step 1. Check air lines for broken or restricted tubes.

If tubing is broken or restricted, notify unit maintenance.

Step 2. Check tires for punctures.

If punctured, replace with spare tire and notify unit maintenance.

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

notify unit maintenance.

END OF TESTING!

25. ELECTRONIC CONTROL UNIT (ECU) FAILS TO OPERATE

Step 1. Accessory/battery switch should be in the ON position.

If in OFF position, turn ON.

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

If loose, reconnect.

Step 3. Check for loose wiring harness connectors on power manifold.

If loose, reconnect.