Honda Civic Service Manual page 228

Wire side o{ female terminals
NOTE: Standard baftery voltage is 12 V.
Terminal
numo€t
Wire color
[erminal name Description
Signal
BLUAvHT VTC+ lVTC OIL CONTBOL
SOLENOID VALVE +SIDE)
Drives VTC oilcontrol
With ignition switch ON (ll): 0 V
2
lNJa {No. 4INJECTOR) Drives o. 4 iniector
At idle: duty controlled
3
BL J o . 3 I N J E C T O R I
Drives o.3 iniector
4 R1
)TOR) Drives o . 2 i n i e c t o r
5 BRN
lNJl 1No. I INJECTOR)
Drives No. 1 iniector
6
GRN
FANC (RAOIATOR FAN
CONTROL)
Drives radiator fan relay
With radiator fan running: about 0 V
With radiator fan stopped: batterv voltaoe
7
GRN/vVHT RVS (REVERSE LOCK
SOLENOID VALVE)
Drives reverse lock solenoid With vehicle speed below 9.4 mph (15 km/h):
battery voltage
With vehicle speed above 12.5 mph (20 km/h): 0 V
8 REDAVHT
ECT (ENGINE COOLANT
TFMPFRATURE SENSOR)
Detects ECT sensor signal
With the ignition switch ON (ll): about 0.1 4.8 V
ideoendino on enoine coolant temDerature)
9
BLU/BLK VTPSW (VTEC OIL
PRFSSTIRF SWITCH)
Detects VTEc oil pressure
s w i t c h s i o n a l
With engine at low engine speed: about 0 .
Wirh enoine at hioh enoine soeed: batterv voltaqe
10
WHT/BLU
ALTL (ALTEBNATOR L
SIGNAI I
Detects alternator L signal
With ignition swit'ch ON (ll): about 0 V
Whh enoine runnino: batterv voltaqe
WHT/RED
ALTF (ALTERNATOR FR
S I G N A L I
Detecls alternator FB signal With engine running: about 0 V- 5 V
{deoendinq on electrical load)
GRN/YEL VTS {VTEC SOLENOID
Drives VIEC solenoid valve A t i d l e : a b o u t 0 V
' 1 7
REDI/EL
IAT (INTAKE AIR
TEMPERATURE SENSOR)
Detects IAT sensor signal
With ignition switch ON {ll): about 0.1 V 4.8 v
l.lcnen.iino on intake air temoerature)
1 8
WHT/GRN ALTC (ALTERNATOR
CONTROL)
Sends alternator control
With engine running: about 0 V 5 V
(.lcocn.lino on electrical ioad)
21
YEUBLU
PCS {EVAPORATIVE
EMISSION CANISTER
PURGE VALVE)
Drives EVAPcanister purge
valve
With engine running, engine coolant below 149'F
165'C): battery voltage
With engine running, engine coolant above 149'F
165"C): dutv controlled
23
BLK/Vr'HT VTC (VTC OIL CONTROL
SOI FNOID VALVE SIDE)
Drives VTC oilcontrol
W i t h t h e i g n i t i o n s w i t c h O N ( l l ) : 0 V
( c o n f d )
11-21