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Troubleshooting
Blower Motor (cont'd)
From
page
22·17
I
Check for an open in the wire:
1.
Remov
e
the heater control
panel (see page
22-46),
2. Check
for
co
ntinuity between
the No.8 terminal of the
heater
control panel 8P con-
nector
and the
No.
1 terminal
of
the blower motor high
relay
4P connector.
Repair open in the wlr. between
"-
NO
Is there continuity?
the h ••
t..-
control panel
and the
btower motor high
relay.
VES
Check for an opan in the wire:
Check
for
continuity
between the
NO.8 terminal
of the
heater
con-
trol
panel
20P connector
and the
No
.
4
terminal of
the blower
motor
high
relay
4P
connector.
NO
Repair open
In
the wlr. between
Is there
continuity?
/ '
the h •• ter control I"Inel and the
blower motor high relay.
YES
Check for laos. wires or poor
connections
at
the heater control
panel 8P and 20P connectors and
at the blower motor high
relay
4P
connector.
If
the connections
are good, substitute a known·
good he.ter control panel. and
recheck
.
If the symptom/indica-
tion goes away. replace the origi-
nal he.ter
control
panel.
22-18
BLOWER MOTOR HIGH RELAY 4P CONNECTOR
Wire
side
of
female
term inals
fI
2
3
<-4J"L---'-.---.rL'---'-._S-I BLU/BlK
HEATER CONTllOL PANEL SP CONNECTOR
Wire
side of
female terminals
HEATER CONTROL PANEL 20P CONNECTOR
Wire side of female terminals
"'2'1
IORN/WHT
1
2
7
7 7
6
7
S
9
10
11
12
13
14 15 16
l '
IS 19
20
~
I
1
Z
I
I
3
4
ORN/WHT
fI
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Table of Contents
Troubleshooting
