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TM 9-2320-364-20-1
Section IV. TROUBLESHOOTING CHARTS (Cont.)
E. FLASH CODE:
12
J1587 CODE:
P187 3 - VERNIER CONTROL INPUT FAILED HIGH (HIGH VOLTAGE)
(ALSO CALLED VARIABLE SPEED GOVERNOR - VSG)
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
12-30
Verify Repairs
Turn ignition off.
No codes.
Repairs are complete.
Reconnect all connectors.
Turn ignition on.
Code 187/3 (and any
All system diagnostics are
Clear codes.
other codes).
complete. Please review this
Note status of "Check Engine"
section from the first step to find
light.
the error.
If "Check Engine" light does not
stay on, start engine and
Any other codes
Go to START-1, pg 2-539, to
run (TM 9-2320-364-10) until
except Code 187/3.
service other codes.
"Check Engine" light comes on
or 1 minute. Stop engine.
Read inactive codes.
2-629
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