TM 10-3930-675-24-1
ENGINE FUEL INJECTOR CIRCUITS TROUBLESHOOTING
THIS WORK PACKAGE COVERS
Error Code 1311 - Injector Circuit Failure
Error Code 1323 - Injector Circuit Failure
Error Code 1312 - Injector Circuit Failure
Error Code 1324 - Injector Circuit Failure
Error Code 1313 - Injector Circuit Failure
Error Code 1325 - Injector Circuit Failure
Error Code 1314 - Injector Circuit Failure
Error Code 1331 - Injector Circuit Failure
Error Code 1315 - Injector Circuit Failure
Error Code 1332 - Injector Circuit Failure
Error Code 1321 - Injector Circuit Failure
Error Code 1951 - Injector Circuit Failure
Error Code 1322 - Injector Circuit Failure
INITIAL SETUP
Tools and Special Tools
References
Test Lead, Female (Item 121, WP 0289 00)
TM 10-3930-675-10
Test Lead, Male (Item 124, WP 0289 00)
WARNING
Injector solenoids receive high voltage when engine is operating. To avoid personal injury or death
from electrical shock, do not wear jewelry or damp clothing, and do not touch injector solenoids or
solenoid wires when engine is operating.
NOTE
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations that
locate critical components.
Table 1. Error Code 1311 - Injector Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1311 - Injector Circuit Failure.
1. Place ignition switch in OFF
position
and
disconnect
actuator harness from engine
ECU and from 15-pin
connector at front of engine
below rocker arm cover.
a. Inspect actuator harness, Clean and repair connector(s) as
actuator harness connector, required (WP 0113 00).
and 15-pin connector for
dirty,
corroded,
bent,
broken, pushed back, and
extended pins.
