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Electrical Troubleshooting ('98 - 00 Models)
Troubleshooting Flowchart - Mainshaft Speed Sensor
• 080
II SCIIn Tool indicates
Code
P0715.
•
SeH~diagnosls
IQ!I
or
[QJ
indica-
tor
light
indicates
Cod.
15.
If
the PGM
T
ester
is available,
retrieve
the
NT Freeze Data, then
clear the
PCM.
Test-drive the
vehicle
under the
same
conditions the freeze
Data
was recorded.
"-
Did
the code
return?
./
YES
Check
the
m
ainshaft
and
counter-
shaft speed se nsors
installation,
and check them
for damage.
Are
the mains
haft
and
counter-
shaft speed
sensors installed
properly,
and
not
damaged?
YES
Me.sur. Mainshaft Speed Sensor
Reslst.nee
at
the Sensor Connec-
tor:
1.
Disco
nn
ect
the
2P
connector
from the
mainshaft
speed sen-
so
r.
2.
Measure
mai
nshaft
speed sen-
sor resistance
at
the sensor
con nector.
"-
Is
the resistance
400
-
600
n?
. /
I
YES
To page 14-"5
14-114
NO
Possible
Cause
•
Disconnected malnshaft
speed sens or connector
nsor wire
•
Short or
open in
mainshatt
speed
58
• Faulty
meindlaft
IpHd
sensor
NOTE: Code PD715
(15) on
the PCM do esn't always mean
there's
an electrical
ft
speed sensor
circuit; code
P0715
('5)
in
the transmission. Any problem
caus-
peed
difference
can ca use
this code; this
a. Freeze Data can also indicate an elec-
e of the
sensors reads
0
mph
during a
problem in the mainshaft or countersha
may
also indicate a
mechanical problem
ing irregular
cou ntershaft
to mainshaft
s
can someti
m
es be
seen in
NT
Freeze
Oat
trical problem
in
the
sensor
circuits
if
on
test-drive.
Intermittent
fallur •.
The systam
is
OK
at
this
time.
Check
the fit
of
the pins
In
an
connectors
affected
by this cod
•.
NO
I
Reinst.1I
or
replace .nd
reeheck.
(
NO
Repblce
the
malnshaft
speed
sen-
sor.
MAINS HAFT SPEED
SENSOR CONNECTOR
Term
inal side
of male terminals
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Troubleshooting
