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 5. Disconnect sensor harness If voltage is not as specified,
Ambient Air Pressure Sensor Circuit - Continued.
connector from ECU and proceed with the following steps.
place ignition switch in ON
position. Measure voltage at
ECU sensor port from pin 17
to pin 31 of ECU sensor port.
Voltage should be 4.75 to
5.25V.
USE TEST LEAD
KIT P/N 3822917
4.75-5.25V
0022 00-7