Honda Civic Service Manual page 1440

Troubleshooting
Compressor lcont'dl
COMPRESSOR CLUTCH RELAY
4P SOCKET
l--;l
1 2 |
---r--]
l . l 3 |
L-J--J
]
BLK/YEL
A
(v)
!
ECM/PCM CONNECTOR A I32P}
W i r e s i d e o f f e m a l e t e r m i n a t s
* H o w t o u s e t h e b a c k p r o b e
s e t s
C o n n e c t t h e b a c k p r o b e a d a p t e r s t o t h e s t a c k a n g p a t c h c o r d s , a n d
c o n n e c t t h e c o r d s t o a m u l t i m e t e r . U s i n g t h e w i r e i n s u l a t i o n a s a
g u i d e f o r t h e c o n t o u r e d t i p o f t h e b a c k p r o b e a d a p t e r , g e n t l y s l i d e
t h e t i p i n t o t h e c o n n e c t o r f r o m t h e w i r e s i d e u n t i l i t c o m e s i n c o n -
t a c t w i t h t h e t e r m i n a l e n d o f t h e w i r e ( s e e s e c t i o n 1 1 ) .
Frcm page 22-12
To page 22-15
Check Ior an open in the wire;
1. Disconnecl the jumper wire.
2. Turn the ignition swatch ON (ll).
3. l\4easure the voltage between
the No. 4 terminal of the com-
pressor clutch relay 4P socket
and body ground.
Repair open in the wire betw€en
the No. 17 fuso and the compres-
sor clutch relav.
Check for an open in the wira:
1. Turn the ignition switch OFF,
then reinstall the compressor
clutch relay.
2 . M a k e s u r e t h e A / C s w i t c h i s
O F F , t h e n t u r n t h e i g n i t i o n
switch ON (ll).
3. Using a *Backprobe Set (T/N
0 7 S A Z 0 0 1 0 0 0 4 ) , m e a s u r e
the voltage between the No.
1 7 t e r m i n a l o I t h e E C M / P C M
connector A (32P) and body
g r o u n d w i t h t h e E C M / P C M
connectors connected.
Repair open in the wirc betweon
the compressor clutch relay and
the ECM/PCtvt.
l s t h e r e b a t t e r y v o l t a g e ?