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From page 22-16
I
"-
NO
Is
the relay OK?
/ '
Replace the
blower
motor
relay.
I
YES
BLOWER
MOTOR RELAY 4P SOCKET
Check
the under·hood fuse/relay
box:
Measure the voltage between the
No.
3
terminal
of
the blower motor
relay 4P socket and
body ground.
~
'
1
4
3
Y
I
NO
"-
Replace
the
under-
hood fuse/
Is
there battery
voltage?
/'
I
retay
box.
I
YES
1
Check
for an open
in
the wire:
1.
Turn the
ignition
switch ON
(II)
.
2.
Measure the
voltage
between
the
No
.
4 terminal
of
the
blower motor
relay
4P socket
and
body ground.
I
Repair
open
in
the wire between
"-
NO
Is there battery voltage?
/ '
the
No.
17 fuse and
the blower
I
YES
motor rel.y.
Check for an open
in
the wire:
1.
Turn the ignition switch
OFF.
2.
Check
for
continuity
between
the No
.
2 terminal
of the
blower
motor relay 4P
socket
and body
ground.
I
Check for .n open in
the
wire
"-
NO
between the blower
motor rel.y
Is there
continu
ity?
/ '
and
body
ground.
tf the wire is
I
YES
OK,
check for
poor
ground .t
G401
and
G402.
Rep.ir open
in
the
BLU/WHT
wire
between the blower motor
rel.y .nd the
blower motor.
22-19
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Table of Contents
Troubleshooting
