Honda Civic Service Manual page 360

Troubleshooting
Engine/P_o_wgrtrain
Control Module Terminal Arrangement
('96 - 98 Models '99 - 00 Dt6y5 engine with M/T) tc'oniOi
ECM/PCM CONNECTOR C {31PI
1
CKFP
2
CXPP TDCP
a
ACS
5
sTs
7
scs
I I
rMA
1 0
v8u
12 13
1 4
t 5 1 5
1 7
ALTF
TE
vss
23
lP+
21 25
29 30
TMA
Wire side of female terminals
ECM/PCM CONNECTOR C (31PI
NOTE: Standard baftery voltage is 12 V
' 1 : U S A m o d e l
r 2 r A , . T ( D 1 6 Y 7 , O 1 6 Y 8
e n s a n e )
* 3 : C V T ( O 1 6 Y 5 e n g i n e )
*4: Ay'T and O16Y7 engine
'5: Excepl A./T
snd Dl6Y7 engine
16: Ay'T (D16Y8 ensine)
{ 7 : C V T ( D l 6 Y 5 e o s i n e ) a n d
O 1 6 Y 8 e n o i n e
" 8 : 9 6 D l 6 Y 8 e n g i n e ( c o u p e ) , ' 9 7
D 1 6 y 8 e n g i n e ( c o u p e : a t l
: e d - 9 I t ! ! r n o d e l r , ' 9 8 D 1 6 y 5 e n s i n e , , 9 8 D 1 6 y 8 e ; s i n e .
D 1 6 Y 5 l M / T ) e n s i n e
1 - 9 0
1 9 : D 1 6 Y 5 e n g i n e
' 1 0 : M / T ( D l 6 Y 5 e n g i n e )
* 1 1 r E x c e p t M / T
1 1 6 Y 5 e n g i n e )
* 1 2 : D 1 6 Y 5 , D 1 6 Y 8 e n g i n e
* 1 3 : D l 6 Y 8 e n q i n e
* 1 4 : O 1 6 Y 7 e n g i n e
i 1 5 : ' - 9 7 O 1 6 Y 7 e n g j n e ( c o u p e :
K L m o d e t , s e d a n : K L ( L X ) m o d e t ) ,
' 9 8 D 1 6 Y 7
e n q i n e
'99 - 00
1
To.min!l
number
Wira
coloa
Torminal
name
Do6criptlon
Signal
1 BLU/RED
CKFP (CKF SENSOR P SIDE)
Detects CKF sensor.
With engine running: pulses
2
BLU
CKPP (CKP SENSOF PSIDE)
Detects CKP sensor.
W i t h e n g i n e r u n n i n g : p u l s e s
3
G R N
TDCP {TDC SENSOR PSIDE}
Detects TDC sensor,
W i t h e n g i n e r u n n i n g : p u t s e s
4
Y E L
CYPP (CYP SENSOR P SIDE)
Detects CYP sensor.
W i t h e n g i n e r u n n i n g : p u l s e s
5
BLU/FED ACS {Tr'C SWITCH SIGNAL)
Detects ,ay'C sw;tch signat.
With Iy'C switch ONr 0 V
With Ay'C switch OFF: batrery vottage
6 BLU/ORN
STS (STARTER SWITCH
SIGNAL)
Detects staner swilch signal,
W i t h s t a n e r s w i t c h O N l t l t ) : b a t e r y v o h a g e
With staner switch OFF: 0 V
8RN
SCS (SERVICE CHECK
SIGNAL)
Detects service check connector signal
{the signalcausing a OTC indicationl
With the connector connected: O V
with the connector disconnected: about 5 v
or battery voltage
LT 8LU K , L I N E ( D L C )
S e n d s a n d r e c e i v e s s c a n i o o l s i g n a l ,
Wirh ignition switch ON { ): about 5 V
9 + 3
GRY
D a t 6 c o m m u n i c a t i o n w i t h T C M : E C M
control ctat6 output
W i t h i g n i t i o n s w i t c h O N ( t t ) : p u t s e s
10 WHT/BLU
VBU (VOLTAGE BACK UP)
Power source forthe ECM/PCM
control circuit. Power sourc€ lorthe
DTC memory
Battery voltage at all times
1 1
WHT/RED
CKFM {CKF SENSOR M
SIDE)
Ground tor CKF sensor signal.
12
CKPM (CKP SENSOR M
SIDE)
Ground for CKP sensor s;gnat.
RED
TDCI\4 (TDC SENSOR M
S I D E )
Ground for TDC sensor signal.
1 4
BLK
CYPM (CKP SENSOB M
S I D E }
Groond for CYP sensor signal.
1 5 . "
BLU/BLK
VTM (VTEC PRESSURE
swtTcH)
Oetscts VTEC pressure switch signal.
Wrth engine at low enginespeed:0 V
Wth engineathigh engine speed: tatteryvoltase
1 6
G R N
PSPSW (P/S OIL PRESSURE
swtTcH)
Detects PSP switch signal.
At idle with steering wheel in straight ahead
p o s i t i o n : 0 V
At idle with stsering wheet at fult tock battery
voltage
'17
WHT/RED
ALTF (ALTERNATOR FR
S I G N A L )
Detects ahernator FR signal.
With fullyw6rmed up engine running:0 V- bat-
teryvohage (depending on electricat toad)
1 8
BLUI/VHT
V S S { V E H I C L E S P E E D S E N -
S O R }
Oetects VSS signal.
W h h i g n i t j o n s w i t c h O N { t t ) a n d f r o n t w h e e t s
rotating: cycles 0 V- 5 V
23+14
B L K lP+ {HO2S PUtr4P CELL +}
Controls HO2S pump ce .
W i t h i g n i t i o n s w i t c h O N ( l l ) : a b o u r 0 . 5 - 5 . 3 V
24.10
RED
rP-, vs- {Ho2s coMt oN)
Reference voltage supply.
W i t h f u l l y w a r m e d u p e n g i n e e t i d l e :
a b o u t 2 . 6 - 2 . 8 V
2 5 * r o
VS+ (VS CELL VOLTAGE)
D e t e c t s V S c e l l v o l t a g e .
W i t h i g n i t i o n s w i t c h O N t ) : a b o u r 7 V
2 9
L T G R N * '
ATPNP (Ar'T GEAR POSI,
TroN swrTcH)
Deteds Ay'T g6srposhion switch signat.
In E orE position: O V
ln any other position: battery vottage
R E D { r o
CLSW (CLUTCH SWITCH}
Detects clutch switch signal,
Wilh clutch pedal released: about 5 V
With clutch pedal deDressed: O V
30
P N K 4
T M B
Data communication with TCM:
E C M c o n t r o l d a t a i n p u t
W i t h i g n i t ; o n s w i t c h O N ( l t ) : p u t s e s