TM 10-3930-675-24-1
ENGINE FUEL INJECTOR CIRCUITS TROUBLESHOOTING - CONTINUED
0008 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.
Table 2. Error Code 1311 - Injector Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1312 - 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.
b. Check actuator harness,
Remove dirt and moisture from
actuator harness connector,
connector. Replace missing or
and 15-pin connector for dirt
damaged connector seals (WP
0113 00).
or moisture in or on
connector and for missing or
damaged connector seals.
2. Place ignition switch in OFF
position
and
disconnect
actuator harness and sensor
harness from engine ECU and
actuator harness from 15-pin
connector at front of engine
below rocker arm cover.
Perform
the
following
resistance checks.
a. Measure resistance from a. If resistance is not as specified,
actuator harness connector
repair or replace connectors
(WP 0113 00).
pin 3 to all other pins in
actuator harness connector. b. If internal actuator harness
requires replacement, notify
Resistance should be greater
SRA.
than 100k Ohms.
0008 00-5
