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SELECTABLE 4WD SYSTEM
Be careful not
to bend/he
connec'",
termlflBfs
23-8
4.
Rear
VSS
line
Short Circuit
Inspection
Check
the
Pink/green
wire
for
continuity
between the ECM 21P (Gray) connector terminal
and
ground.
Check the Pink wire for continuity between the
rear
VSS
side
3P (Yellow) connector terminal
and
ground.
Is
there
continuity?
YES
_
.
Short
circui
t
in the Pink/green wire
between
the
ECM connector and rear
VSS connector.
•
Short circuit in the Pink wire at the
rear
VSS.
NO
- GO TO STEP 5.
5.
Rear
VSS Mechanical Inspection
Check
the
rear VSS for
correct
installation.
Remove the rear VSS (page 23-1 1), and check
for
any object on the sensor
lip
or ring gear surface,
also
check for damage on the sensor tip.
Is
if Installed correctly?
NO
-
Clean the
rBar
VSS and
ring
gear, cor-
rectly
install
the
rear VSS, or replace the
rear VSS.
YES
- GO TO STEP 6.
6.
Failure
Reproduction
Interchange the front VSS 3P
(Black)
and rear
VSS
3P (Yellow) connector.
Turn the ignition switch OFF then ON.
Turn the 2WD/4WD select switch to
4WD.
Test-drive the vehicle above
4
mph
for
more
than 30
seconds
and check that
the
4WD indica-
tor blinks.
D08S the 4WD indicator
blink?
NO
_. Check
for poor
contact or loose con-
nection in wire
harness.
•
No
problem
(Temporary
failure
).
YES
_
.
If the
indicator blinks
3 times,
recheck for
poor
contact or loose
connection in wire harness.
If
they
are OK, replace the ECM.
•
If the indicator blinks 2 times, replace
the rear
VSS.
PIG
t
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