Honda EP3 Service Manual page 1010

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4. With the connector still disconnected, makethese input tests at the con necrors.
. l f a n y t e s t i n d i c a t e s a p r o b l e m , f i n d a n d c o r r e c t t h e c a u s e , t h e n r e c h e c k t h e s y s t e m .
' lf all the input tests prove OK, the control unit must be faultv. Replace it.
Cavitv Wire
Tesl condition
Test: Desired result Possible cause if result is not obtained
GRN
lgnition switch ON
flr)
Check for voltage to ground:
There should be battery
voltaqe.
. B l o w n N o . 9 ( 1 0 A ) f u s e i n t h e
under-dash fuse/relay box
. An open in the wire
1 0 BLK
U n d e r a l l
conditions
Check for continuity to
g r o u n o :
There should be continuitv.
Poor ground (G553)
A n o p e n i n t h e w i r e
6
WHT/RED
lgnition switch ON
( l l ) a n d r e a r
window washer
switch ON
Check for voltage to ground:
There should be battery
vortage.
B l o w n N o . 9 ( 1 0 A ) f u s e i n t h e
under-dash fuse/relay box
Faulty rear wlndow wiper/
washer switch
A n o p e n i n t h e w i r e
4 LT GRN/
R E D
lgnition switch ON
( l l ) a n d r e a r
window wiper
switch ON
Attach to groundl
The rear window wiper motor
s h o u l d r u n .
LT GRN
lgnition switch ON
flr)
Attach to ground:
The rear window wiper motor
s h o u l d r u n .
B l o w n N o . 9 ( 1 0 A ) f u s e i n t h e
under-dash fuse/relay box
Faulty rear window wiper motor
An open in the wire
20
LT GRN/
B L K
lgnition switch ON
( l l )
Check for voltage to ground:
There should be battery
voltage.
B l o w n N o . 9 ( 1 0 A ) f u s e i n t h e
under-dash fuse/relay box
Faulty rear window wiper motor
A n o D e n i n t h e w i r e
22-139