TM 10-3930-675-24-1
ENGINE PRESSURE SENSOR TROUBLESHOOTING - CONTINUED
0023 00
Table 2. Error Code 1123 - Intake Manifold Pressure
Sensor Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1123 - Intake Manifold Pressure 5. Disconnect sensor harness If voltage is not as specified,
Sensor Circuit Failure - Continued.
connector from engine ECU proceed with the following steps.
and place ignition switch to
ON position.
6. Measure voltage from ECU a. If engine harness requires
sensor port connector pin 40
replacement, notify
to connector pin 37. Voltage
Sustainment Maintenance.
should be 4.75 to 5.25V.
b. If voltage is not as specified,
replace engine ECU (WP 0079
00).
USE TEST LEAD
KIT P/N 3822758
40
37
4.75-5.25V
0023 00-10
