TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
3.
ENGINE HIGH IDLE DOES NOT OPERATE (continued).
8.
TEST OPTIONS
KNOWN INFO
Does the high idle
Visual inspection.
Error Code, EC 09.
operate at either the
Engine high idle operates
REASON FOR QUESTION
right-hand or left-hand
from cab switch.
remote locations?
If remote HIGH IDLE
POSSIBLE PROBLEMS
switch operates on one
side but not the other,
Remote linking harness
the problem is in the RH/
faulty.
LH wiring or remote
Remote control unit
connector. If remote
faulty.
HIGH IDLE switch does
Remote control cable
not operate on either
faulty.
side, the problem is with
Cab control box faulty.
remote control unit or
Linking harness faulty.
chassis wiring common
Junction box
to both sides of the CBT.
harness faulty.
Cab control box wiring
faulty.
Go to Step 10.
NO
YES
4-60
Change 1
