TM 10-3930-675-24-1
ENGINE PRESSURE SENSOR TROUBLESHOOTING - CONTINUED
0023 00
Table 1. Error Code 1122 - Intake Manifold Pressure Sensor
Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1122 - Intake Manifold Pressure 11. Place ignition switch in OFF
Sensor Circuit Failure - Continued.
position and disconnect
sensor harness connector
from engine ECU.
a. Measure resistance from pin a. If resistance is less than 100k
39 to pin 40 at sensor port of
Ohms, replace intake manifold
pressure sensor (WP 0094 00).
ECU.
b. If resistance is greater than
100k Ohms, replace engine
ECU (WP 0079 00).
b. Measure resistance from pin If resistance is greater than 100k
39 of ECU sensor port to Ohms, replace engine ECU (WP
0079 00).
engine block ground.
39 TO GND
<100K Ohms
39 TO GND
<100K Ohms
USE TEST LEAD KIT P/N 3822917
0023 00-8
