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TM 5-4210-233-14&P-1
Table 4-2.
Unit Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM-IGNITION CIRCUITS-Continued
5
ENGINE/TRANSMISSION ALARM BUZZER DOES NOT SOUND
DURING IGNITION TEST-Continued
Step 4.
Check wire 1046 is grounded by ignition switch when switch is on.
Replace ignition switch (see para 4-94).
Step 5.
Check wiring for continuity.
Replace wire (see para 4-9.4).
6
DDEC ENG/TRANS ALARM (BEEPER) DOES NOT SOUND DURING IGNITION TEST
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 3 of 16).
Step 1.
Check DDEC ENG/TRANS ALARM for proper operation.
Replace DDEC ENG/TRANS ALARM (see para 4-9.4).
Step 2.
Check DDEC alarm relay for proper operation.
Replace relay (see para 4-9.4).
Step 3.
Check stop engine relay for proper operation.
Replace relay (see para 4-9.4).
Step 4.
Check wiring for continuity.
Replace wire (see para 4-9.4).
Step 5.
Check DDEC Engine Control Module using ECM Diagnostic Data Reader (DDR).
Replace DDEC ECM.
Notify Direct Support.
7
STOP ENGINE LIGHT FAILS TO TURN OFF AFTER TEST
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 6 of 16.)
Step 1.
Check for mechanical failure/deficiency using DDR (Diagnostic Data Reader) and
instrument panel gauges.
Repair deficiency.
Step 2.
Check stop engine relay for proper operation.
Replace relay (see para 4-9.4).
4-72
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