Honda Civic Service Manual page 1224

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(From page 19-68)
UNDER.HOOD ABS
FUSE/RELAY 8()X
TERMINAL
TERMINAL
PUMP MOTOR 2P CONNECTOR
MOTOR +8 lWHTl,$
rv) -
Y
Wire side ot female terminals
\
lt
MOTOR +B {RED}
MOTOR GND (BLK)
ABS CONTROL UNIT 22P CONNECTOR
(cont'dl
1 9 - 6 9
JUMPER WIRE
Wire side oI female terminals
Check the pump motor circuit:
1. Remove the pump motor relay.
2. Turn the ignition switch ON (ll).
3. Connect the pump motor relay
connector +8 and MOTOR ter
minals with a iumper wire tor
a momenr,
Ch€ck for an open in the pump
moior +B circuit:
1. Turn the ignition switch OFF.
2. Disconnect the pump motor
2P connector,
3. Turn the ignition switch ON (ll).
4. Connect the pump motor relay
connector +B and MOTOR ter-
minals with a jumper wire.
5. Measure the voltage between
the pump motor 2P connector
t e r m i n a l N o . l a n d b o d y
ground.
Does the pump motor operate?
Repaia open in the wire botween
tho under-hood ABS fuse/relay
box and pump motor.
ls there battery voltage?
Check the pump motor opgra-
tion:
Connect the battery {+}terminal to
the pump motor 2P connector ter-
minal No. 1. and the (-)terminalto
the terminal No. 2 for a moment.
ReDlaco lho modulator unit.
(Feulty pump motor)
Does the pump motor operate?
Chock for a short to body ground
in the PMR circuit:
1. Turn the ignition switch OFF.
2. Disconnect the ABS control
unit 22P connector.
3. Check for continuity between
t e r m i n a l N o . 1 9 a n d b o d y
grouno,
Repail opon in ths wirg botwgen
tho pump motor and bodv ground,
or poor ground (G,!09).
Ropair 3hort to body g?ound in
tha wire between the under-
hood ABS fuse/rclay box and
ABS cortrol unit.
(To page 19-70)