1996 ACURA RL KA9 Service Repair Manual

Troubleshooting
DTC 88 : F l Communicatio n
Check fo r a shor t t o bod y groun d
i n th e SD L circuits :
1 . Disconnec t th e PC M connec -
tor E (26P ) and th e VS A con -verte r uni t 26 P connector .2. Chec k fo r continuit y betwee nbody groun d an d th e VS Aconverte r uni t 26 P connecto rterminal No . 9 an d No . 1 1individually .
Are ther e continuity ?
Check fo r a n ope n in th e SD L cir -
cuits :
1. Chec k fo r continuit y betwee nthe VS A converte r uni t 26 Pconnecto r termina l No . 9 an d
th e PC M connecto r E (26P )
termina l No . 20 .2. Chec k for continuit y betwee nthe VS A converte r uni t 26 Pconnecto r termina l No.1 1 an d
th e PC M connecto r E (26P )
termina l No . 19 .
Are ther e continuity ?
Check th e VS A converte r unit :
1 . Substitut e a known-goo d VS A
converte r unit .
2 . Connec t al l o f disconnec t con -
nectors .
3 . Clea r th e DTC .
4. Test-driv e th e vehicle .5. Verif y th e DTC .
Is DT C 88 indicated ?
Replace th e PCM . VS
A CONVERTE R 26 P CONNECTO R
Wire sid e o f femal e terminal s
PCM CONNECTO R E (26P )
Repai r ope n i n th e wir e betwee n
th e PC M an d th e VS A converte r
unit.
Wire sid e o f femal e terminal s
Replac e th e VS A converte r unit .
Repai
r shor t t o bod y groun d i n
th e wir e betwee n th e PC M an d
the VS A converte r unit .
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DTC 92 : VS A Converte r Uni t
Chec k fo r a n ope n i n th e IG 1 cir -cuit :
1 . Tur n th e ignitio n switc h O N (II) .
2 . Measur e th e voltag e betwee n
th e VS A converte r uni t 26 P
connecto r termina l No . 2 6
an d bod y ground .
I s ther e batter y voltage ?
Chec k fo r a n ope n in th e LG 1 cir -
cuit :
Measur e th e voltag e betwee n th e
VS A converte r uni t 26 P connec -
to r termina l No . 2 6 an d No . 1 .
I s ther e batter y voltage ?
Chec k fo r a n ope n in th e CA N cir -
cuit s (converte r side) :
1 . Tur n th e ignitio n switc h OFF .
2 . Chec k fo r continuit y betwee n
th e VS A contro l uni t 42 P con -
necto r termina l No . 2 4 an d
th e VS A converte r uni t 26 P
connecto r termina l No . 18 .
3 . Chec k fo r continuit y betwee n
th e VS A contro l uni t 42 P con -
necto r termina l No . 4 0 an d
th e VS A converte r uni t 26 P
connecto r termina l No . 19 .
I s ther e continuity ?
Chec k fo r a n ope n in th e CA N cir -
cui t (steerin g angl e senso r side) :
1 . Chec k fo r continuit y betwee n
the VS A contro l uni t 42 P con -necto r termina l No . 2 4 an d
th e steerin g angl e senso r 4 P
connecto r termina l No . 2 .
2 . Chec k fo r continuit y betwee n
th e VS A contro l uni t 42 P con -
necto r termina l No . 4 0 an d
th e steerin g angl e senso r 4 P
connecto r termina l No . 3 .
I s ther e continuity ?
(To pag e 19-256 )
VSA CONVERTE R UNI T 26 P CONNECTO R
Repai r ope n in th e wir e betwee n
th e under-das h fuse/rela y bo x
an d th e VS A converte r unit .
IG1 (BLK/YEL )
Wire sid e o f femal e terminal s
Repai r ope n i n th e wir e
betwee n th e VS A converte r
uni t an d bod y ground .
Repair poo r groun d (G101) .VSA CONTRO L UNI T 42 P CONNECTO R
Wir e sid e o f femal e terminal s
Repai r ope n in th e wir e betwee n
th e VS A contro l uni t an d th e
VS A converte r unit .
STEERIN G ANGL E SENSO R4P CONNECTO R
Repair ope n in th e wir e betwee n
th e VS A contro l uni t an d th e
steerin g angl e sensor . Wir
e sid e o f
femal e terminal s
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Troubleshooting
DTC 92 : VS A Converte r Uni t (cont'd )
(From pag e 19-255 )
The syste m is O K a t thi s time .
Replac e th e VS A converte r unit .
Replac e th e VS A modulator -
control unit .
Is DT C 92 indicated ?
Check th e VS A converte r unit :
1 . Substitut e a known-goo d VS A
converte r unit .2. Connec t al l o f disconnecte dconnector.3. Clea r th e DTC .4. Test drive the vehicle.5. Verif y th e DTC .
I
s DT C 9 2 indicated ?
Proble
m verification :
1 . Connec t al l o f disconnecte d
connector .
2 . Clea r th e DTC .
3. Test drive the vehicle.4. Verif y th e DTC .
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