TM 5-3805-292-23
0006
ELECTRICAL TROUBLESHOOTING - EC004 ENGINE AIR INTAKE FILTER IS RESTRICTED
0006
Check air cleaner and hoses for
Clean or replace air cleaner or hoses
Restricted?
YES
NO
Disconnect instrument panel (IP)
Disconnect air filter restriction
Continuity
Perform Open Harness Test for circuit 266
filter restriction switch connector
NO
FEC6-1, circuit 266 (Y), harness
present?
side and IP connector C23-16,
circuit 266B (Y), harness side
Starting, & Charging System and
YES
filter restriction switch connector
Continuity
Repair circuit 178 (B) or replace chassis
FE-C6, circuit 178C (B) harness
NO
present?
Charging System).
YES
Replace air filter restriction switch