Honda Civic Service Manual page 1411

Both heater and A/C do nol work.
checkthe No.47 (7.5 A)fuse in the
under-hood fuse/relay box, and the
N o . 1 7 { 7 . 5 A ) f u s e i n t h e u n d e r -
dash fuse/relay box.
ReDlace the tuse{s), and recheck.
Check lor an open in the wire:
1 . 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 8 P c o n n e c t o r ,
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 ) .
3 . M e a s u r e t h e v o l t a g e b e t w e e n
t h e N o . I 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 8 P c o n -
n e c t o r a n d b o d y g r o u n d .
Repair open in the wire between
the No. '17 luse and th6 heater
control oanel,
l s t h e r e b a t t e r y v o l t a g e ?
Check for an open in the wire:
1. Turn the ignition switch OFF.
2. Disconnect the heater control
panel20P connector.
3. Measure the voltage lletween
t h e N o . 1 0 t e r m i n a l o f t h e
heater control Panel 20P con-
nector and body ground.
Repair op6n in the wir€ between
the No. il7 tuse and the heater
controloanel,
ls there battery voltage?
Check for an open in the wite:
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 . 6 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 8 P c o n n e c t o r a n d b o d y
g r o u n d .
Ch6ck tor an open in lhe wire
betwoen the heator control Panel
and bodv ground. 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 ?
C h e c k f o r l o o s o w i r e s o r P o o l
conneciions at the heater control
oanel 8P and 20P connectors. lf
the connections are good, substi'
t u t e a k n o w n - g o o d h e a t € r c o n -
t r o l D a n e l , a n d r e c h e c k . l I t h e
symptom/indication
goes awaY,
r 6 p l a c e t h e o r i g i n a l h € a t e r c o n -
t r o l o a n e l .
HEATER CONTROL PANEL 8P CONNECTOR
BLK/YEL
W i r e s i d e o f f e m a l e t e r m i n a l s
HEATER CONTROL PANEL 2OP CONNECTOR
Wire side of temale terminals
I
2
1
5
7 8
BLK
o
1
4
I
v