.
*
NHEL
CONTROL TROUBLESHOOTING
Use the troubleshooting guide to help locate prob-
lems related to the
NHEL
control. Figures7-4 and7-6
show
the
location
of
most
of
the
control components.
Refer to the wiring diagram in Figure 7-5 for location
of all terminal connections.
The troubleshooting guide is divided into
six
sec-
tions. After identifying the problem, referto theguide
for
the
possible
cause
and
the
recommended
correc-
tive action.
Trouble
Engine
Does
Not
Crank
TROUBLESHOOTING THE NHEL CONTROL
Possible
Cause
1.
If
engine cranks at set but
not at remote control panel,
fault is due to:
a. open circuit in remote control
wiring
b. remote start switch faulty
2. If engine cranks at remote
control panel but not at set,
fault is due
to:
a. open circuit in wiring between
S1 switch and PC board
b. faultyS1 switch
3. Insufficient voltage for
cranking due to:
a. battery not charged
b. terminal connections loose
or dirty
4. Control fuse (Fl) is open
5.
Connect a voltmeter between
terminal
S
on the start Sole-
noid and ground. Check for
battery voltage when
S1
is
placed in Start position. If
voltage
is
present, fault
is
due
to:
a.
Kl
relay not grounded,
b.
defective
K1
relay
c. defective starter
6.
If voltage is not present as
described in step
5
test,
fault is due to:
a. open circuit between
K1
relay
and control PC board
b.
defective control PC board
Corrective Action
1
a.
lb.
2a.
2b.
3a.
3b.
Check for continuity and
and correct if circuit
is
open
Replace remote start
control switch
.
Check for continuity and
correct
if
circuit is open
Replace S1 switch
Check condition of battery
and recharge or replace
Clean and tighten all
connections at battery,
K1 start solenoid, and
starter motor
'
Short circuiting
aWARN"G
!
thebafferycables
4.
5a.
5b.
5c.
6a.
6b)
can cause severe personal
injury or death. Disconnect
the
negative battery
(-1
cable
at the battery terminal before
servicing.
Replace fuse
(5
ampere)
Tighten solenoid bracket
mounting screws
Replace
K1
start solenoid
Refer to Electric Starter
section for test and service
procedures
Check for continuity and
correct if circuit is
open
Replace control
PC
board
7-1
1
Redistribution or publication of this document
by any means, is strictly prohibited.
Redistribution or publication of this document
by any means, is strictly prohibited.
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