TM 5-3805-264-14&P
Table 4-3. Unit Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
MCS GATE WILL NOT OPERATE WITH REMOTE CONTROL.
Step 1.
Check for air leaks throughout vehicle (chassis) air system.
Tighten or replace leaking or damaged air system components (TM 9-2320-363-20).
Step 2.
Check MCS tailgate for leaking or damaged air system components.
Tighten or replace leaking or damaged components (paragraphs 4-55 thru 4-59).
NOTE
For assistance in troubleshooting an MCS electrical malfunction, refer to wiring dia-
grams (paragraph 4-49).
Step 3.
Check MCS fuse for continuity.
Replace damaged fuse (TM 9-2320-363-20).
Step 4.
Check MCS remote control switches for voltage and continuity.
Replace damaged switches (paragraph 4-43).
Replace damaged remote control.
Step 5.
Check MCS remote control cable for voltage and continuity.
Replace damaged remote control cable (paragraph 4-43).
Step 6.
Check truck-to-MCS tailgate wiring harness for voltage and continuity.
Repair or replace damaged truck-to-MCS tailgate wiring harness (paragraph 4-47).
Step 7.
Check MCS tailgate wiring harness and MCS air cylinder solenoids for voltage and continu-
ity
Repair or replace damaged MCS tailgate wiring harness (paragraph 4-48).
Replace damaged MCS air cylinder solenoids (paragraph 4-57).
4.
MCS GATES OPEN OR CLOSE WHEN REMOTE CONTROL IS CONNECTED.
NOTE
For assistance in troubleshooting an MCS electrical malfunction, refer to wiring diagrams
(paragraph 4-49).
Step 1.
Check MCS remote control switches for voltage and continuity.
Replace damaged switches (paragraph 4-43).
Replace damaged remote control.
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