Acura 1994 Integra Service Manual page 96

VTEC
Ref€r to page 11-32 thru I l-39 beforo troubleshooting.
-g: -mi
!5*3ij'i:,*o:",,XTl.Lamp
(MlL) indicates
Disenostic
rrouble code (Drc) 2r:A problem in the wEc
\,__-:-/
\.---l-l
Iel-
-l 2,1 l-
MIL h.. b..n Fport d on.
Wrth aaavica chack connac,tot
iomp.d, Codc 2l i. indic.t.d.
O o t h o o n g i n o c o n t r o l m o d u l e
(ECM) Rg3ot Procgduro.
w6rrn up engine to normal op€r-
ating tsmporature (the cooling
fan comog on).
Do th€ Road Test.'
lmormitt.m t ilur., .yrtom i. OK
!t thi.tim..
Chacl tor poor connactiont ot
loo.. wircr !l VTEC .ol.noid
v.lv. lnd ECM.
ls MIL on and does it indi-
cato cod€ 21?
Turn tho ignition switch OFF.
O i s c o n n e c t t h o 1 P c o n n s c t o r
lrom the VTEC solenoid valvo.
Chock for continuity betw66n 1P
c o n n 6 c l o r t e r m i n a l a n d b o d y
9rcUnO.
ls there '14 - 30 07
R.pl.c. th. VTEC rolonoid v.lvr,
' Road Test:
Accelerate in 1st gear to 6n engino spood ovor 6000 rpm.
Hold thst engine sp€ed tor at least two seconds.
lflhe MIL do6s not coms on during th€ first road tost,
reoeat this test two more tim95.
YES
(To pago G37l
6-36