TM 10-3930-675-24-1
ENGINE PRESSURE SENSOR TROUBLESHOOTING
THIS WORK PACKAGE COVERS
Error Code 1122 - Intake Manifold Pressure Sensor Cir-
Error Code 1419 - Intake Manifold Pressure Sensor Cir-
cuit Failure
cuit Failure
Error Code 1123 - Intake Manifold Pressure Sensor Cir-
Error Code 1433 - Intake Manifold Pressure Sensor Cir-
cuit Failure
cuit Failure
INITIAL SETUP
References
Tools and Special Tools
TM 10-3930-675-10
Bracket, Lifting, Cylinder Head (Item 10, WP 0289
00)
ECS Engine (A34649.0200) (WP 0048 00-10)
Test Lead, Female (Item 121, WP 0289 00)
Test Lead, Male (Item 124, WP 0289 00)
NOTE
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations that
locate critical components.
Refer also to illustration at end of work package for component location.
Table 1. Error Code 1122 - Intake Manifold Pressure Sensor
Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1122 - Intake Manifold Pressure 1. Ensure ignition switch is in
Sensor Circuit Failure.
OFF position. Disconnect
engine harness from intake
manifold pressure sensor (WP
0094 00).
2. Inspect engine harness and Clean and repair connector(s) as
sensor connector for dirty, required (WP 0113 00).
corroded,
bent,
broken,
pushed back, and extended
pins.
3. Check engine harness and
Remove dirt and moisture from
sensor connector for dirt or
connector. Replace missing or
damaged connector seals (WP
moisture in or on connector
0113 00).
and for missing or damaged
connector seals.