TM 5-3805-290-23-1
TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
0009 00
Table 1. Engine Control System - Continued.
(MID 036)
TEST OR INSPECTION
CORRECTIVE ACTION
CID FMI CODE
1. Check for restricted fuel supply lines and
1. Replace or repair any restricted fuel
1684 00
fuel temperature.
lines (WP 0030 00, WP 0035 00, and
WP 0038 00) and replace fuel filters
(WP 0036 00).
2. If problem still exists, go to Test 2.
2. Check for active diagnostic codes using
1. Troubleshoot any other active codes
MSD equipped with ET software (WP 0006
before continuing with this procedure.
2. If problem still exists, go to Test 3.
3. Perform Fuel System Inspection (WP 0011
Ensure software version is correct and no
If problem still exists, replace fuel
1684 02
updates have been installed.
injection pump (WP 0164 00). Recheck for
active diagnostic codes.
Perform Fuel Injection Pump Circuit Test (WP
1684 03
1684 04
1684 05
1684 07
1. Connect MSD and check for active 320-02
If either code is active, go to Test 2.
1684 08
and 322-11 code (WP 0006 00).
2. Perform Engine Speed/Timing Sensor
If problem still exists, go to Test 3.
Circuit Test (WP 0013 00).
Follow instructions for Electrical
3. Check all associated electrical connections.
Refer to Electrical Connectors Inspection
Connectors Inspection (WP 0022 00) to
(WP 0022 00) and Electrical System
make necessary repairs. If problem still
Schematic (WP 0210 00). Pay close
exists, go to Test 4.
attention to P1/J1 engine ECM connectors
(WP 0053 00), P40/J40 fuel injection pump
connector (WP 0164 00), P1:59 engine
position, and P40:8 engine position.
4. Check continuity between P1:59 engine
If no continuity is indicated, replace wiring
position and P40:8 engine position (WP
harness in question (WP 0169 00 thru WP
0053 00).
0175 00). Ensure repairs have eliminated
problem.
1. Perform CAN Data Link Circuit Test (WP
1. If problem still exists, replace fuel
1684 09
injection pump (WP 0164 00). Check
for active diagnostic codes. Ensure
repairs have eliminated problem.
2. If problem still exists, replace engine
ECM (WP 0053 00). Verify repair
eliminates the problem.
