Honda Civic Service Manual page 475

(From page 11-204)
Check for an open in the wir€
(ACC linel:
Momentarily connect underhood
fuse/relay box 9P connector teF
minal No. 5 to body ground with
a iumper wire several times.
ls there a clicking noise from
the IVC compressor clutch?
See air conditionor inspection
(see 3oction 221.
ls there a clicking noise from
the Py'C compressor clutch?
Repair open in the wire between
r h e E C M / P C M l A l 7 l a n d t h 6
under-hood fu3e/rolaY box 9P
connector lC352l.
Check for the oPeration of the
Alcl
1. Start the engine.
2. Turn the blower switch ON
3. Turn the AJC switch ON.
Chock tor an open in the wire
IACS linel:
Measure voltage between ECM/
PCM connector terminals A9 and
c5.
Does the Ay'C operate?
Air conditioning signal is OK.
Repair open in the wire b€tween
the EcM/PcM lC5) and the A/c
3witch.
l s t h e r e l e s s t h a n 1 . 0 V ?
-
S u b s t i i u t e a k n o w n - g o o d
ECM/PCM and recheck ll
s y m p t o m / i n d i c a t i o n 9 o e s
a w a y , . o p l a c e t h e o r i g i n a l
ECM/PCM.
- See the air condhioner insP€c_
tion {see s€c{ion 22).
UNDER.HOOD FUSE/BELAY
BOX 9P CONNECTOR 1C352)
1 2
I
a
5 8
9
ACC (BLK/RI
Wire side of
ACC (BLK/REDI
Wire side of female
terminals
JUMPER
WIRE
ECM/PCM CONNECTORS
r f
A t32P)
LGl
c {31Pl
t
(BRN/BLK) ACS IBLU/RED)
I
2 3
a
9
1 0 1 t
3 I 8
9 t 0
12 1 3 1 5
l 6
1 1 l a
1 9
20
23
2a
t t 12 't3 l a
't5
t 6
1 7
t a
25
27 2A 29
30 23
2a
29 30
Wire side of lemale terminals