4-17
Copyright 2017 Cummins Inc.
TABLE 4-7. ENGINE DOES NOT CRANK—REMOTE RUN
WARNING
Many troubleshooting procedures present hazards that can result in severe personal inju-
ry or death. Only qualified service personnel with knowledge of fuels, electricity, and machinery haz-
ards should perform service procedures. Review Important Safety Instructions page.
Indicator(s) Possible Cause Corrective Action
“FAIL TO
CRANK”
(221)
message
DOES NOT
appear on
digital display
−and:
Auto LED DS5
on the engine
interface board
(A31) is off −
RMT Start
LED DS14 on
the customer
interface board
(A34) is on −
NOTE:
This condition
suggests that
the engine
interface board
(A31) is NOT
enabling the
remote start
logic on the
digital board.
*2. Install harness tool between A32 J4/P4. Check
the 16 volt (nominal) supply at A32 J4-16.
If the voltage is present at A32 J4-16, and
ground is present at A31 P3-13—and yet A31
DS5 is off; then A31 is bad. Replace A31.
The Auto mode input is not getting from the
Auto select switch (S12) to engine interface
board A31 (indicating that S12, A31, or the
harness is bad.
1. S12 or the wiring harness may be bad.
*1. Disconnect A31 J3/P3. Check continuity to
ground at A31 J3-11. (J3-11 is ground out to
S12. If ground is not present, replace A31. If
ground is present, place S12 in Auto and check
continuity from P3-11 to P3-13. If no continuity,
isolate to switch or wiring harness. Repair as
necessary. If there is continuity, A31 may be
bad. Reconnect J3/P3.
2. Engine interface board A31 may be
bad.
3. If there is no +16 volt supply voltage at A32
J4-16, A32 is bad. Replace A32.
3. Digital board A32 may be bad.
*CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs.
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