Honda Civic Service Manual page 532

Emission Control System
( F r o m p a g e 1 1 - 2 6 1 )
Check tor open in the wire (SG2
linel:
M e a s u r e v o l t a g e b e t w e e n t h e
E C M c o n n e c t o r t e r m i n a l s D 1 0
a n d D 1 1 .
Repsir open in lhe wire beiween
E C M l O l l l a n d E G R v a l v e .
ls there approx. 5 V?
Check the EGR valve:
1. Turn the ignition switch OFF.
2 , A t t h e s e n s o r s i d e , m e a s u r e
resistance between the EGR
valve 6P connector terminals
No. 1 and No. 2.
l s t h e r e c o n t i n u i t y o r r e s i s -
tance of 100 k0 or higher?
Check the EGR valve:
Measure resistance between the
E G R v a l v e 6 P c o n n e c t o r t e r m i
n a l s N o . 1 a n d N o . 3 .
ls there 100 k0 or higher?
Exhaust Gas Recirculation System (D16Y5 engine with M/T) (cont'dl
ECM CONNECTOR D {16P)
vcc2
(YEL/BLU)
\ v
sG2
IGRN/BLK)
Wire side of female term;nals
EGR VALVE 6P CONNECTOR
EGR L
(WHT/
BLK}
SG2 (GRN/BLK)
Termanal side of male terminals
'l'
EGR L
{WHT/
BLK}
vcc2
{YEL/BLU}
(To pase 11 263)
1 -262