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14-76
I
PCM CONNECTOR B 125P)
Check Countershaft Speed Sensor
for
8
Short Circuit:
1.
Disconnect the B (25P) con-
nector
from the PCM.
2.
Check
for continuity between
the body ground and the B23
terminal
and B22 terminal
individually.
YES
Repair short in the wires between
Is
there continuity?
./
the
IZ3
and 822 terminals and
the
countershaft
speed
sensor.
Wire
side of female terminals
NO
_
..... Coontersholt
Speed Sen-
sor Circuit for an Open:
1. Co
nne
ct
the countershaft
speed sensor 2P
connector.
2.
Measure
the
resistance
between the
B23 and B22 ter-
minals.
Repair 100 .. terminal or open in
"-
NO
the wires between the
823
lind
Is the resistance 400 - 600
m
./
822 termlnel, and the counter-
YES
shaft speed sensor.
Check for loose terminal fit in the
PCM connectors. If necessary.
substitute a
known-good PCM
end
recheck.
14-77
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Table of Contents
Troubleshooting
