TM 10-3930-675-20-1
0021 00-11
ENGINE AMBIENT AIR PRESSURE SENSOR AND CIRCUITS TROUBLESHOOTING - CONTINUED
0021 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
Ambient Air Pressure Sensor Circuit -
Continued
14.Place ignition switch to OFF
position. Disconnect ambient
air
pressure
sensor.
Disconnect
ECU
sensor
harness connector. Measure
resistance
from
sensor
harness connector pin 6 to
ambient air pressure sensor
signal pin C. Measurement
should be less than 10 ohms.
If engine harness requires
replacement, notify SRA.
15.Disconnect sensor harness
connector from ECU and
place ignition switch to ON
position.
USE TEST LEAD
KIT P/N 3822758
<10 OHMS
