Honda EP3 Service Manual page 964

I
5. With the connectors stilldisconnected,
make these input tests at the connector'
. lf anv test indicates a problem, find and correct the cause, then recheck the system
. lf all the inpul tests prove OK, go to step 6.
6. Reconnect the connectors to the under dash fuse/relaV box, and make these input tests at the appropriate connectors on the under-dash
fuse/relay box.
. 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 .
. l f a l l t h e i n p u t t e s t s p r o v e O K , t h e m u l t i p l e x c o n t r o l u n i t m u s t b e f a u l t y . R e p l a c e t h e u n d e r ' d a s h f u s e / r e l a Y b o x a s s e m b l Y
Cavitv
Wire Test condition
Test: Desired result
Possible cquse il result is not obtained
K2
8LU/ORN lJnder allconditions Check for continuity between the K2
terminal and the keyless receiver
unit 5P connector No. 2 terminal:
There should be continuitv.
A n o p e n i n t h e w i r e
o7
GRN/RED C e j l i n g l i g h t s w i t c h i n
m i d d l e p o s i t i o n .
Attach to ground:
Ceiling light(s)should come on.
Blown No. 3 (7.5A) fuse in the under hood
Blown bulb
Faulty ceiling light
An ooen in the wire
X8
WHT/BLK U n d e r a l l c o n d i t i o n s Attach to ground:
lgnition key light should come on.
Elown No.3 (7.5A)fuse in the under hood
fuse/relay box
Faulty ignition key light (LED)
An ooen in the wire
Cavitv
Wire
Test condition
Test: Desired result
Posq!!!c sq!!ej1!.9!!!!j
€d
P 1 8
RED
H a t c h o p e n
C h e c k f o r v o l t a g e t o g r o u n d :
T h e r e s h o u l d b e 1 V o r l e s s .
Poor ground (G552)
Fauhy hatch latch switch
An open inthewire
H a t c h c l o s e d
Check for voltage to ground:
There should be 5 v or more.
Faulty hatch latch switch
Shortto oround
Q3
GRN
Driver's door open
C h e c k f o r v o l t a g e t o g r o u n d :
T h e r e s h o u l d b e 1 V o r l e s s .
Faulty drlver's door switch
An oDen in the wire
Driver's door closed
Check for voltage to ground:
Thar. shoul.l he 5 V or more.
Faulty driver's door switch
o4
LT GRN/
B E D
RED^vHT
Passenger's door
Check for voltage to ground:
There should be 1 V or less.
' Faulty passenger's door switch
' An onen inthewire
Passenger's door
croseo
Checkfor voltage to ground:
There should be 5 Vor more.
. Faulty passenger's door switch
. Shor o oround
X5 lgnition key inserted
into the ignition
Check for voltage to ground:
There should be 1 V or less.
Poor ground (G401)
Faulty ignition key switch
An ooen in the wire
l g n i t i o n k e y r e m o v e d
f r o m t h e i g n i t i o n
C h e c k f o r v o l t a g e t o g r o u n d :
T h e r e s h o u l d b e 5 V o r m o r e .
F a u l t y i g n i t i o n k e y s w i t c h
S h o r t t o g r o u n d
Y8 YEURED Driver's door lock
knob switch locked
Check for voltage to ground:
There should be 1 V or less.
Poor ground {G501)
Faulty driver's door lock knob switch
An ooen in the wire
Driver's door lock
k n 6 h c w i r c h I n l 6 c k e . l
Check for voltage to ground:
There should be 5 V or more.
Faulty driver's door lock knob switch
Short to oround
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