TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 1. Engine Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
If problem still exists, perform CAT Data
2. Ensure these items are correctly
27. Engine ECM Will Not
Link Circuit Test (WP 0013 00).
installed and undamaged (refer to
Communicate with Other
Electrical Connectors Inspection (WP
Systems or Display Modules
- Continued.
(a) J1/P1 engine ECM connector (WP
0057 00).
(b) J20/P20 MIC (WP 0196 00).
(c) wiring to instrument cluster (WP
0054 00).
(d) wiring to other control modules
(WP 0056 00, WP 0063 00, and
WP 0060 00).
1. Start engine (TM 5-3805-291-10).
1. If engine starts, go to Test 2.
28. MSD Will Not
2. If engine will not start, refer to
Communicate with ECM
Malfunction 2, Engine Cranks but Will
Not Start. If engine will not crank, refer
to Electrical System Malfunction 2,
Engine Will Not Crank.
2. Perform Electrical Connector
1. If necessary, reconnect J1/P1 and J2/P2
Inspection (WP 0022 00) for J1/P1 and
connectors.
2. If problem still exists, go to Test 3.
J2/P2 connectors for the ECM (WP
0057 00).
3. Perform Electrical Power Supply
If problem still exists, go to Test 4.
Circuit Test (WP 0013 00).
4. Check CAT Data Link for possible
If problem still exists, go to Test 5.
problems. Refer to CAT Data Link
Circuit Test (WP 0013 00).
5. Confirm film wear and driver files are If problem still exists, go to Test 6.
current for communication adapter and
cables are properly connected and
correct cables are being used (WP 0005
00).
6. Access "Preferences" under "Utilities" If problem still exists, go to Test 7.
menu on ET and verify correct
"Communications Interface
Equipment" is being used.
7. Verify correct port is selected for use
If problem still exists, go to Test 8.
by communications adapter.
