Honda Prelude 1993 Service Manual page 904

Troubleshooting
Check tor voltage belween lhe
under hood fuse/relav box ABS
UNIT fuse No. 31 terminal and
body groLrnd.
Repair open in WHT/BLK wire be-
tween the ABS UNIT (7.5 Al luse
in ihe und€r-hood luse/r€laY box
and ABS contaol unit.
ls there battery vollage?
Reinstall the fuse in the under'
hood fuse/relay box.
Disconnect the 2P connector
lrom the ABS pump molor-
Check for voltage between the
ABS pump molor relay No. 30
terminal and body ground.
ls there battery voltage?
Check for voltage between the
N o . 3 2
t e r m j n a l a n d b o d y
g r o u n d .
ls there battery voltage?
Disconnecl the
'l8P
{4wS: 2OP)
connector from the ABS control
unit.
Check {or voltage between the
ABS control unit connector No
18 {4WS: No. 21 ) (YEL/RED) ter
minal and body ground.
Flowcharts (cont'd
1 9 - 5 9 t
l s t h e r e b a t t e r y v o l t a g e T
R€pair opon in BI-K/YEL wire be-
twsen the No. S R/C MIRROR
(15 Al fuso in the undeFdash
fusa/relav box and ABS PumP
motor a€lav.
Ropair opsn in YEL/REO wire be'
tween iho ABS pump motor relay
and ABS control unit.
UNDER-HOOD
Batteryvoltago?
FUSE/RELAY AOX
18P CONNECTOR l2WSl
B.ttery
30
29
2a
27
t!J
2 5 2 4 23
22 21
20 1 9 1 8 1 7 1 6
1 4
1 3
uon"n", Qf )r,-,r.o
I IPMR}
View from ABS control unit terminal side
Battery
Y E S
trcl rrir dd recheck
20P CONNECTOR l4WSl
34 32 3 1
lul
30 2A 21
24
2 1
20 1 9 1 8 1'1
't5
vorr"e"z $)
\tu"o
t'"t'
19-60
View from ABS conlrol unit terminal side