Honda S2000 Service Manual page 121

10. Measure voltage across the VTEC oil pressure
switch harness 2P connector.
VTEC OIL PRESSURE SWITCH
HARNESS 2P CONNECTOR
Wire side of female terminals
ls there battety voltage?
Y E S - G o t o s t e p 1 1 .
NO--Repair an open in the wire between the VTEC
o i l p r e s s u r e s w i t c h a n d G 1 0 1 . 1
Turn the ignition switch OFF.
Disconnect the VTEC solenoid valve 1P connector.
Check for continuity on the VTEC solenoid valve
between the solenoid valve 1P connector terminal
and body ground.
VTEC SOLENOID VALVE
1P CONNECTOR
Terminal sade of
m a l e t e r m i n a l
ls there 14 30 Q ?
YES Go to step 14.
NO Replace the VTEC solenoid valve. I
1 1 .
=-;
14. Remove the VTEC oil pressure switch (A) and
i n s t a l l t h e s p e c i a l t o o l s a s s h o w n , t h e n r e i n s t a l l t h e
VTEC oil pressure switch.
16r
/l ::=' l
,,/ fr
07406-0070300 -
07 406-0020201
o t
O T M A J - P Y 4 0 1 1 A
a n o
0 7 M A J - P Y 4 0 1 2 0
07NAJ-P07010A
, . . , ]
1 5 .
{2.2 kgf.m, 16 lbf ft)
Reconnect the VTEC solenoid valve 1P connector
and VTEC oil pressure switch 2P connector.
Connect a tachometer.
Warm up the engine to normal operating
t e m p e r a t u r e ( c o o l i n g f a n c o m e s o n ) .
Check oil pressure at engine speeds of 1,000, 2,000
a n d 5 , 0 0 0 r p m . 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
p o s s i b l e b e c a u s e t h e e n g i n e i s r u n n i n g w i t h n o
l o a d ( l e s s t h a n 1 m i n u t e ) .
ls pressure below 49 kPa (0.5 kgf/cnf ,7 psi)?
YES Go to step 19.
NO Inspect the VTEC solenoid valve {see page 6'
9 ) . r
Turn the ignition switch OFF.
Disconnect the VTEC solenoid valve 1P connector.
Attach the battery positive cable to the VTEC
s o l e n o i d v a l v e t e r m i n a l .
S t a n t h e e n g i n e a n d c h e c k o i l p r e s s u r e a t a n e n g i n e
speed of 5,000 rpm.
ls pressute above 390 kPa (4.0 kgf/cm' , 57 psi)?
YES Go to step 23.
NO Inspect the VTEC solenoid valve {see page 6-
9). r
(cont'd)
1 8 .
t o .
1 7 .
1 9 .
20.
2 2 .
6-7