TM 10-3930-675-24-1
ENGINE FUEL INJECTOR CIRCUITS TROUBLESHOOTING - CONTINUED
0008 00
Table 2. Error Code 1311 - Injector Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1312 - Injector Circuit Failure - 6. Measure resistance from a. If resistance is as specified,
replace engine ECU (WP 0079
Continued.
injector solenoid pin A to pin
00).
B. Resistance should be 0.5 to
b. If resistance is not as specified,
1.5 Ohms.
replace injector (WP 0215 00).
7. Place ignition switch in OFF
position and, with rocker arm
cover removed, disconnect
internal actuator harness from
injector solenoid and remove
injector solenoid wires from
solenoid.
8. Measure resistance from post If resistance is not as specified,
to post on solenoid. Resistance replace injector (WP 0215 00).
should be 0.5 to 1.5 Ohms.
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.
Table 3. Error Code 1313 - Injector Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1313 - 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.
0008 00-8
