TM 10-3930-675-24-1
ENGINE AMBIENT AIR PRESSURE SENSOR AND CIRCUITS TROUBLESHOOTING - CONTINUED
0022 00
Table 2. Error Code 1222 - Low Voltage Detected at Ambient
Air Pressure Sensor Circuit Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1222 - Low Voltage Detected at 14. Place ignition switch in OFF If engine harness requires
Ambient Air Pressure Sensor Circuit - Continued.
position. Disconnect ambient replacement, notify Sustainment
air
pressure
sensor. Maintenance.
Disconnect ECU sensor
harness connector. Measure
from
sensor
harness connector pin 6 to
ambient air pressure sensor
signal pin C. Measurement
should be less than 10 Ohms.
USE TEST LEAD
KIT P/N 3822758
<10 Ohms
15. Disconnect sensor harness
connector from ECU and
place ignition switch in ON
position.
0022 00-11
