TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
21. REMOTE CONTROL LIGHT INOPERATIVE, ERROR CODE 25, (MODEL B ONLY).
INITIAL SETUP
Tools and Special Tools
Equipment Condition
Tool Kit, General Mechanic's: Automotive
BAP loaded on the CBT
(SC 5180-90-N26)
Engine turned off (TM 9-2320-279-10)
Parking brake applied (TM 9-2320-279-10)
Wheels chocked (TM 9-2320-279-10)
START
TEST OPTIONS
1.
KNOWN INFO
Continuity Tests.
Is there continuity
Error Code, EC 01 and/or
measured at the re-
REASON FOR QUESTION
EC 25.
mote control light
Unless the light bulb is
POSSIBLE PROBLEMS
bulb?
functioning properly
illumination will not be
Remote control box light
present at the bulb itself.
bulb faulty.
Cab digital control box
faulty.
Cab interface wiring
harness faulty.
Digital controller wiring
harness faulty.
Digital control box faulty.
Repair or replace
remote control box
NO
light bulb (para
YES
4-414.18
32
Change 1
