TM 9-2320-365-10
2-3. CENTER CONSOLE CONTROLS AND INDICATORS (CONT)
c. CTIS Electronic Control Unit (ECU).
Figure 2-9 shows all CTIS controls and
indicators on the center console.
Figure 2-9. Central Tire Inflation System (CTIS) Electronic Control Unit (ECU)
Controls and Indicators
1. HWY (Highway) Mode Button and Indicator. Pressed to set CTIS in highway
mode.
Indicator illuminates steady when tire pressure is 55 psi (379 kPa).
Maximum speed is 55 mph (88 km/h) in HWY mode.
2. X-C (Cross-Country) Mode Button and Indicator. Pressed to set CTIS in cross-
country mode. Indicator illuminates steady when tire pressure is 33 psi (228 kPa).
Maximum speed is 40 mph (64 km/h) in X-C mode.
3. SAND (Soft Terrain) Mode Button and Indicator. Pressed to set CTIS in soft
terrain mode. Indicator illuminates steady when tire pressure is 20 psi (138 kPa).
Maximum speed is 12 mph (19 km/h) in SAND mode.
4. EMER (Emergency) Mode Button and Indicator.
Pressed to set CTIS in
emergency mode. Indicator illuminates steady when tire pressure is 14 psi (97
kPa). Maximum speed is 5 mph (8 km/h) in EMER mode.
5. RUN FLAT Mode Button and Indicator. Mode used to maintain tire air pressure
in the event of a leak.
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