Honda Civic Service Manual page 480

ldle Control System
Brake Switch Signal ('96 - 98 Models, '99 - 00 Dl6YS engine with M/Tl
This signals the ECM/PCM when the brake pedal is deoressed.
LGl
BKSW
(GRN/
WHTI
D {16P)
Wire side of female t€rminals
Inspection of Brake Switch Signal.
Are the brake lights on without
depressing the brake pedal?
Depress the brake pedal.
Inspect the HORN (15 A) fuse in
the under-hood fuse/ relay box.
Do the brake lights come on?
-
R e p a i r s h o r t i n t h e w i r e
between the brake 3whch and
rhe HORN 115 At lu3e.
-
Replace the I|oRN 17.5 A) tus€.
R e p a i r o p e n i n t h e w i r e
between the brake switch and
the HORN 115 Al fuse.
Inspect th6 br.ke switch {s6€
section l9l.
Check tor an open in the wire
IBKSW line):
1. Oepress the brake pedal.
2 . M e a s u r e v o l t a g e b e t w e e n
ECM/PCNI connector terminals
Ag and D5 with the brake pedal
oepresseo.
Repair open in the wire b€tween
the ECM/PCM {Dsl and the brake
switch.
l s t h e r e b a t t e r y v o l t a g e ?
Brakc switch sign.l is OK.
ECM/PCM CONNECTOFS
A (32Pt
IBRI\
v
,l
a
6
7
8
1 0
11
1
2
I
12 1 3 1 1 1 5 1 6 1 7 t 8 1 9
20
22 23
2a
I
9 1 0
1 1
12
25
21
2A
a
30
1 3 1 4 1 5
16
11 - 2 1 0