TM 5-3805-298-23-1
0042
Table 1. 1 Fuel Injector 1 Diagnostic Codes - Continued.
042
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Verify Malfunction Is
1-2 Fuel Injector 1 Data Is
Resolved.
Erratic, Intermittent, or
1. Ensure all wiring harness
Incorrect - Continued
connectors are connected.
2. Ensure valve cover (WP 0187) is
installed on engine.
3. Start engine or attempt to start
Diagnostic Code 1-2 Is Not Active -
Troubleshooting complete.
engine (TM 5-3805-298-10). Using
MSD, check for active diagnostic
Diagnostic Code 1-2 Remains Active
codes (WP 0008).
- Repeat troubleshooting from the
beginning.
1-5 Fuel Injector 1 Current
NOTE
Below Normal
Always inspect wiring harness connectors that are involved in the circuit.
Poor connections can often be the cause of a problem in an electrical
circuit. Verify that all connections in the circuit are clean and secure and
that all connections are in good condition. If a problem with the
connection is found, correct the problem and verify that this malfunction
or diagnostic code is active before performing this procedure.
Perform open or short-circuit test at each wiring harness connection to
identify the correct wiring harness to replace.
Tag all wiring harnesses to aid in installation.
Perform this test only if condition is active.
DIAGNOSTIC CODE SET CONDITION
Engine ECM detects abnormally low current on fuel injector 1.
POSSIBLE CAUSE
Engine control wiring harness high resistance or open.
Injector cylinder 1 and 2 jumper harness high resistance or open.
Fuel injector 1.
Engine ECM.
