Symptom-To System Chart - Honda Civic 1998 Service Manual

Diagnostic Trouble Gode (DTCI
Symptom-to-System Chart
orc
s k =
< x Y
oTAGNOSTS/
SYMPTOM
OETECIION TIMING
> 7
i : Y
PROBAELE CAUSE
EXts
1 6 >
2
x € E
Z E
e P 8
z z
4 8 "
6 a z
N O
Drc
ABS indicEto. lisht do6s
nor come on whon ignirion
swirch is turnod on (ll)
Open in the power source circuitfo.the ABS indacator light
Elown ABS indicator lightbulb
Op6n in the ABS andicato.light drive circuit.
Shorrio powo. in th6 WALP ci.cuit
F6ultv ABS codtfol unit
O N
ABS indacator light doos
not go ofi aftsr€ngine is
Opsn in th€ lG2 cncuit
Opsn in lh€ +B circuit
Opsn and/or shon to body srcund in rhe WALP circuit
FaultY aBS controluoil
1 l
o N r
Whe6l s6nsor (op6r'/shon
O
o o
o
Op6n, shonto body sround and/orshonto pow6r inrhe wh€el
Faulty aBS contrclunit
15
1 1
R L
12
oN'
(chipp6d pulssr g€a/noise)
o o
o
Shon io who6l sonsor (0)circuit inth€ who€l scnsor (1)circuit
Faulty wheel sensor inst8ll6tion
Faulty AgS controlunit
1 6
1E
R L
O N
Sol6noid {op6 sho.tio
o
o o
FR IN
op€n, shonto body ground and/or shonlo pow€r inthe
Opsn in lhe COM circuit
Faulty AaS contrclunit
32
F8.OUT
33
F L I N
3,r FL.OUT
35
F A I N
RR-OUT
37 RT-IN
3a RI.OUT
5 1 O N
o o
Op.n in th6 motor poworsourco ci.cuit
Op6n in rh€ motor GNDcarcuit
Fautty AAS oontrol u.it
52
O N
o
o
Open in lh€ COM, PMF and/or MCK circuit
Op6n.nd/or blown fus6 in th€ undeFhood ABS fus6/r6l6y box
Faulty pump motor rBlay
Fault ABS cont.ol unil
5 3
O N
o
Shonto body ground in the PMB circuii
Shortto power in the pump motor power sou@ circuit
Faulty pump motor rcl.y
Faultv ABS cont.olunit
54 O N
o o o
Opon, shorito body sround dncyor blown fuss in the B1 or 82
Shonro body g.ound andlorshonto powor in rh€ COM circuit
Fsulty modulalor unit
F a ! l t v A B S c o n t r o l u n i t
6'I O N
lgoilion voltago ilow voh'
o o o o
Cono€ction oltho 24v battery for engine start
Faulrycharuinq sy8tem
Op€n in th6lG2 circuit
FaultvABS controlunit
8 1 O N C P U
o o
o o
Extem€l feto
sj can b€ lho c!u!€(s) ol the preblem
F a u l t y A B S c o n t r o l u n i t
r: It DTCS t 1 18 (whool ssnsor codos) wsre detocred th6 last time th6 ca, w.s drav6n, the ABS indicator light will 3ray on unril the ignilion switch is tLrrnod oN (ll), 6nd the
conlrol unit confirms that th€ wheel sensoF arc OK,
1 9- 46