Honda Civic Service Manual page 1218

lFrom page 19-621
Ch6ck lor . short to body ground
in ihe WALP Gircuit:
1. Turn the ignition switch OFF.
2 . D i s c o n n e c t t h e A B S c o n t r o l
unit 22P and gauge assembly
5P connectors.
3. Check for continuity between
the ABS control unit 22P con-
n e c t o r t e r m i n a l N o . 7 a n d
body ground.
Ropair short to body g.ound in
tho wire betweon the ABS con_
trol unit and gauge aasembly.
Check the AgS cortrol unit:
1. Connect the ABS control unit
22P connector.
2. Turn lhe ignition switch ON (ll).
3. Measure the voltage between
the ABS control unit 22P con'
n e c t o r t e r m i n a l N o , 7 a n d
body ground.
Check tor rn open in lho GND2
circuit:
1. Connect the ABS control unit
26P connector terminal No. 16
to body ground with a iumper
2. Measure the voltage between
the ABS control unit 22P con-
n e c t o r t e r m i n a l N o . 7 a n d
body ground.
ls there baftery voltage?
' Repair op€n in the wit€ between
the ABS control unit and body
ground.
. R e p . i r p o o r g r o u n d l G 4 0 ' 1 ,
G1(}2t.
ls there battery voltage?
Check tor loo3€ ABS control unit
connector!. lf necesaary, substi_
tute a known-qood ABS control
unit and r€check,
Check lor an open in the WALP
circuit:
Measure the voltage between the
g a u g e a s s e m b l y 5 P c o n n e c t o r
terminal No. 1 and body ground.
Ropai. opon in the wiro botween
the ABS control unit end gauge
assemblv.
ls there battery voltage?
Replace the ABS indicrtor light
driv6 ci.cuit in the gtuge assem-
bly.
t
v
Wire side ol female terminals
ABS CONTROL UNIT 22P CONNECTOR
ABS CONTROL UNIT 22P CONNECTOR
WALP {BLU/REDI
Wire side ol female terminals
ABS CONTROL UNIT 26P CONNECTOR
rt
GAUGE ASSEMBLY 5P CONNECTOR
.D
Y
Wire side of female terminals
WALP {BLU/REDI
wire side ol female terminals
J
1 9 - 6 3