TM 5-3895-385-23-1
0045
Table 1. SPN#168. FMI#16 ― Engine ECM Supply Voltage Above Maximum System Voltage Level --
Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If resistance is less than 100
kΩ, replace engine interface
wiring harness (WP 0388, Vol
2).
15.Disconnect engine interface
wiring harness connector W16
J2 from ECM (WP 0451, Vol 3,
Figure 36).
16.Measure the resistance from
1. If resistance is greater than 100
the engine interface wiring
kΩ, proceed to next test.
harness connector W16 J3 pin
3 to all pins in the engine
interface wiring harness
connector W16 J2 (WP 0443,
Vol 3).
2. If resistance is less than 100
kΩ, replace engine interface
wiring harness (WP 0388, Vol
2).
17.Measure the resistance from
1. If resistance is greater than 100
the engine interface wiring
kΩ, restore equipment to
harness connector W16 J3 pin
original condition, and proceed
4 to all pins in the engine
to next malfunction.
interface wiring harness
connector W16 J2 (WP 0443,
Vol 3).
2. If resistance is less than 100
kΩ, replace engine interface
wiring harness (WP 0388, Vol
2).
2. Alternator voltage incorrect.
1. Inspect alternator wiring
1. If damaged, repair or replace
connectors (WP 354, Vol 2).
wiring (WP 0401, Vol 2).
2. If not damaged, proceed to next
test.
Using Ammeter Clamp
2. Install multimeter with an
ammeter clamp attachment
between alternator and
batteries (WP 0448, Vol 3,
Figure 18).
0045-5
