Honda Civic Service Manual page 332

1 8 . 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.
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22.
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Reconnect the VTEC solenoid valve 2P connector
and VTEC oil pressure switch 2P connector.
Connect a tachometer or OBD ll scan tool/Honda
PGM Tester to the DLC.
Start the engine. Hold the engine at 3,000 rpm with
no load (in neutral) until the radiator fan comes on.
Checkthe oil pressure at engine speeds of 1,000
and 2.000 rpm. Keep the measuring time as shon
a s p o s s i b l e { l e s s t h a n 1 m i n u t 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 .
ls the oil ptessure below 49 kPa (0.5 kgf/cnf,
7 psi)?
YES Go to step 23.
NO Inspect the VTEC solenoid valve (see page 11-
't28l.a
23.
24.
25.
26.
Turn the ignition switch OFF.
Disconnect the VTEC solenoid valve 2P connector.
Aftach the battery positive terminalto VTEC
s o l e n o i d v a l v e 2 P c o n n e c t o r t e r m i n a l N o . 2 .
Start the engine, then connect the battery negative
t e r m i n a l t o V T E C s o l e n o i d v a l v e 2 P c o n n e c t o r
t e r m i n a l N o . 1 , a n d c h e c k t h e o i l p r e s s u r e a t a n
engine speed of 3,000 rpm.
ls the oil pressure above 390 kPa (4.0 kgt/crtf ,
5 7 p s i ) ?
YES Go to step 27.
NO Inspectthe VTEC solenoid valve (see page I1-
12Al.a
27. With the battery terminals still connectedtothe
VTEC solenoid valve connector, measure voltage
between ECM connector terminal 89 and bodv
o r o u n d .
ECM CONNECTOR B {24P)
ls there battery voltage above 4,000 tpm?
YES Go to step 28.
NO-Replace the VTEC oil pressure switch (see
p a g e 1 1 ' 1 2 8 ) . 1
Turn the ignition switch OFF.
Disconnect the battery terminals from the VTEC
solenoid valve terminal connector.
(cont'd)
28.
29.
Wire side of female terminals
11-125