TM 5-3895-385-23-1
FIELD MAINTENANCE
BITUMINOUS MATERIAL PAVING MACHINE (BMPM)
SPN# 629, FMI# 12 ― ENGINE ELECTRONIC CONTROL MODULE (ECM) MEMORY HARDWARE
OR INTERNAL VOLTAGE SUPPLY CIRCUITS FAILURE
INITIAL SETUP:
Personnel Required
Equipment Conditions
91L
Engine off (TM 5-3895-385-10)
References
WP 0332, Vol 2
TROUBLESHOOTING PROCEDURES
CAUTION
All active fault codes must be investigated prior to replacing the engine Electronic Control Module
(ECM). Failure to comply may cause damage to equipment.
NOTE
This fault code can only be caused by an internal ECM problem.
Table 1. SPN# 629, FMI# 12 ― Engine ECM Memory Hardware
or Internal Voltage Supply Circuits Failure.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Engine ECM internal failure.
1. Start engine (TM 5-3895-385-
10) and let it idle for 1 minute.
2. Check active engine faults
1. If fault code SPN#629, FMI#12
screen for fault code SPN#629,
is displayed, turn keyless
FMI#12.
engine switch to the OFF
position (TM 5-3895-385-10),
and replace engine ECM (WP
0332, Vol 2).
2. If fault code SPN#629, FMI#12
is not displayed, proceed to
next test.