TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
3.
ENGINE HIGH IDLE DOES NOT OPERATE (continued).
5.
KNOWN INFO
TEST OPTIONS
Continuity Test.
Error Code, EC 09.
Is there continuity on
Engine high idle does not
wire no. 840 between
REASON FOR QUESTION
operate from cab or
cab HIGH IDLE switch
remote.
and the 2-pin
Wire nos. 840 and 516
connector?
are common to both cab
POSSIBLE PROBLEMS
and remote high idle
Wire no. 840 faulty.
operation. An open
Jumper wire no. 516
anywhere in this circuit
faulty.
will cause the high idle
Wire no. 516 faulty.
not to operate.
Repair wire (see
NO
schematic, Appendix J).
YES
4--54
4
Change 1
