Honda Civic Service Manual page 1405

BIower Motor Speed
T o p a g e 2 1 3 0
N O T E : l f t h e b l o w e r m o t o r d o e s n o t
run at all, refer to page 21-31.
POWEB TRANSISTOR 3P CONNECTOR
BLK
Wire side ol female terminals
JUMPER
WIRE
HEATER CONTROL PANEL 2OP CONNECTOR
Wire side of female terminals
LT GRN/8LK
(cont'd)
21-29
Blower motor only runs on high
speed position; it does not run in
any other speed Positions
Check for an open in lhe wire:
1. Disconnect the power transis
tor 3P connector,
2. Check for continuity between
t h e N o . 3 t e r m i n a l o f t h e
power transistor 3P connector
and body ground.
Check tor an open in the wire
between the Power ttansistor
and body gtound. lf the wire is
O K , c h e c k f o r p o o r g r o u n d a t
G401 and G402.
l s t h e r e c o n t i n u i t y ?
Check tor an open in the wire:
1 . C o n n e c t t h e N o . 1 a n d N o 3
t e r m i n a l s o f t h e P o w e r t r a n _
s i s t o r 3 P c o n n e c t o r w l t h a
j u m p e r w i r e .
2 . T u r n t h e i g n i t i o n s w i t c h O N { l l )
Repair open in the wire belween
the blower motor and the Powet
tranststor.
Check tor an open in the wire:
1 . T u r n t h e i g n i t i o n s w i t c h O F F
2 . D i s c o n n e c t t h e i u m P e r w i r e .
3 . D i s c o n n e c t t h e h e a t e r c o n t r o l
p a n e l 2 0 P c o n n e c t o r .
4 . C h e c k f o r c o n t i n u i t y b e t w e e n
t h e N o . 1 t e r m i n a l o f t h e
h e a t e r c o n t r o l p a n e l 2 0 P c o n -
n e c t o r a n d t h e N o . 2 t e r m i n a l
o f t h e P o w e r t r a n s i s t o r 3 P
Repair open in the wire between
the heater control Panel and tho
oower transistor,
l s t h e r e c o n t i n u r t y )
3
o