Abs Pump Motor - Honda Civic Service Manual

Troubleshooting
ABS Pump Motor
Diagnostic Trouble Codo {DTC} 51-53r ABS pump Motor Diagnosis
Y E S
N O T E : S h o r t t h e P M R t e r m i n a t t o b o d y
NOTE: Reinstall
ground for a moment, and recheck the fuse.
the fuse if it is OK
lf the fuse is blown, check for a short to body
ground in the MCK circuit.
AAS CONTNOL UNIT 22P CONNECTOR
7 A
t 0
t l
12
1 1 1 9
2 l
22
PMR IYEL/RED} I JUMPER
I WIRE
Wire side of female terminals
NO
NO
YES
NOTE: Reinstall
the fuse if it is OK.
N O T E : S h o r t t h e P M F t e r m i n a l t o b o o y
ground for a moment, and recheck the fuse.
lf the fuse is blown, check for a short to body
ground in the wire between the under-hood
ABS luse/relaV box and pumD motor.
-
With the ignition switch ON
(ll), ABS indicator lighr doos
not go otf.
-
With tho SCS s€rvico connee
tor conn€cted lsee page 19661,
OTCa 51-53 aro indicated.
Check the MTR CHECK (7.5 A) fuse.
Repl.ce the fuse .nd recheck.
Replaco tho tuse and rocheck.
Rcphce th€ pump motor rol6y.
Check the pump motor power
source circuit:
Turn the ignition switch ON (ll).
Ch€ck for a short to !'ows. in tho
pumP motor power 3ource ciacrrit:
Remove th6 purnp motor relay,
Does the pump motor operate?
Bopair sho.t to powsr in the wir€
botwoen the under-hood A8S
tuse/.elay box and ABS pump
motor.
Does the pump motor operate?
Check tor loGe ABS control unit
connoctors. lf nocessary, substi-
tute a known-good ABS control
unit and roch€ck,
(To page 19-69)
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