Honda Civic Service Manual page 116

I
VTEC Control System
Troubleshooting Flowchart (cont'd)
VTEC PRESSURE SwlTCH 2P
CONNECTOR
Wire side of female
(€rmrnats
VTEC SOLENOID VALVE lP
CONNECTOR
I r----'t I
ll ' ff---r
' - ' 1
I
I
-L
Terminal side of
male terminal
A/T LOW PRESSURE
w/PAt{EL
07406-0070300
N O T E : K e e p m e a s u r i n g t i m e a s s h o r t a s
possible because engine is running with no
load (less than one minute).
PRESSURE GAUGE
ADAPTER
07NAJ - P07010A
A/T PRESSURE I{OSE
07406 - 0020201
ot
A/T PRESSURE HOSE.
2,210 mm
07MAJ - PY&llA and
A/T PRESSURE ADAPTER
07MAJ - PY,()120
6-4
(From page 6-3)
(To page 6-5)
Test the VTEC Pr6suro Switch
Wiro:
Nleasure voltage across the VTEC
pressure switch 2P connector.
.
Rcpai. opon in tho wire
brtw.en VTEC pr6.urc switch
and G101.
.
lf th. wir6 b OK, sub.thuto a
lnown-good ECM/PCM !nd
racheck.
ls there baftery voltage?
Te3t the VTEC Solonoid V.lve:
1. Turn the ignition switch OFF.
2. Disconnect the VTEC solenoid
valve 1P connector.
3. Check for continuity between
t h e V T E C s o l e n o i d v a l v e 1 P
connector terminal No. 1 and
body ground.
ls there 14 - 30 0?
Te3t tho WEC Solonoid Vatvo:
'1. Remove
the VTEC pressure
swatch and install the special
tool as shown, then reinstall
the VTEC pressure switch.
2. Reconnoct the VTEC solenoid
valve 1P connector and VTEC
pressure switch 2P connector.
3, Connect the tachometer (see
section 11).
4. Stan the engine.
5 , W a r m u p e n g i n e t o n o r m a l
operating temperature (cool,
ing fan comes on).
6. Check oil pressure at engine
speeds D16Y5 engine: 1,000
and 3.000 rpm, D16Y8 engine:
1,000,3,000 and 5,000 rpm.
ls pressure below 49 kPa
(0.5 kgflcm,, 7 psi)?
In.poct the VTEC aolonoid vllvo
ls.c p.g. &6).
: (
t
I
t
:
t
I
I