1996 ACURA RL KA9 Service Repair Manual

Driving Positio n Memor y Syste m (DPMS )
Troubleshootin g (cont'd )
Flowchar t No . 3
Powe r Sea t Slid e Switch :
Chec k fo r voltag e betwee n th e
sea t contro l uni t 16 P connecto r
B6 an d B1 6 terminal s wit h th eslid e switc h pushe d forward .Check fo r voltag e betwee n th e
sea t contro l uni t 16 P connecto r
B14 an d B1 6 terminal s wit h th eslid e switc h pushe d backward .
Ther e shoul d b e 1 V or les s wit h
the switc h pushe d an d 4 V ormor e wit h th e switc h i n th e neu -
tra l position .
Ar e voltage s a s specified ?
NO• Ope n o r shor t i n th e wire s
• Fault y slid e switc h
• Fault y sea t contro l uni t
YES
Powe r Sea t Slid e Motor :
Disconnec t th e 2 P connecto r fro m
th e driver' s powe r sea t slid e motor .
Chec k fo r voltag e betwee n th e
driver' s powe r sea t slid e moto r 2 P
connecto r No . 1 termina l an d bod y
groun d wit h th e slid e switc hpushed forward . Chec k fo r voltag ebetwee n th e driver' s powe r sea tslide moto r 2 P connecto r No . 2 ter -
mina l an d bod y groun d wit h th e
slid e switc h pushe d backward .
Ther e shoul d b e 1 0 V or mor e wit h
th e switc h pushe d an d O V wit h th e
switc h in th e neutra l position .
Ar e voltage s a s specified ?
NO• Ope n o r shor t i n th e wire s
• Fault y slid e switc h
• Fault y sea t contro l uni t
Tes t th e driver' s powe r sea t slid e
moto r (se e pag e 23-228 ).
N O• Ope n o r shor t i n th e YE L o r L T
GR N wir e betwee n moto r an d
th e 2 P connector .
• Fault y slid e moto r
Doe
s th e moto r ru n smoothl y
an d withou t noise ?
Chec k fo r voltag e betwee n th e
sea t contro l uni t 16 P connecto r
B 2 termina l an d 12 P connecto r A 4
termina l whil e operatin g th e slid e
moto r forwar d an d backward .
NOTE : Al l DPM S connector s mus t
b e connected .
YES
YES
Doe s th e voltag e puls e betwee n
1 V or les s an d 5 V or mor e wit h th e
slid e moto r running ? •
Ope n o r shor t i n th e wire s
• Fault y slid e positio n senso r
• Fault y sea t contro l uni tNO
YE S
Substitut e a known-goo d sea t
contro l unit , an d recheck . I f th e
system s no w wor k OK , replac e
th e origina l sea t contro l unit . SEA
T CONTRO L UNI T
16 P CONNECTO R "B "
SEA
T CONTRO L UNI T
12 P CONNECTO R "A "
NOTE
: Al l connecto r view s ar e fro m wire
sid e o f femal e terminals .
SEA T CONTRO L UNI T
16 P CONNECTO R "B "
DRIVER' S POWE R SEA T
SLID E MOTO R
2 P CONNECTO R
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Flowchart No . 4
Powe r Sea t Reclin e Switch :
Chec k fo r voltag e betwee n th e
sea t contro l uni t 16 P connecto r
B5 an d B1 6 terminal s wit h th ereclin e switc h pushe d forward .
Chec k fo r voltag e betwee n th e
sea t contro l uni t 16 P connecto r
B1 3 an d B1 6 terminal s wit h th e
reclin e switc h pushe d backward .
Ther e shoul d b e 1 V or les s wit h
th e switc h pushe d an d 4 V or mor e
wit h th e switc h in th e neutra l posi -
tion.
Are voltage s a s specified ?NO• Ope n o r shor t i n th e wire s
• Fault y reclin e switc h
• Fault y sea t contro l uni t
YES
Powe r Sea t Reclin e Motor :
Disconnec t th e 4 P connecto r fro m
th e driver' s powe r sea t reclin e
motor .
Chec k fo r voltag e betwee n th e
driver' s powe r sea t reclin e moto r
4 P connecto r No . 3 termina l an d
bod y groun d wit h th e reclin e
switc h pushe d forward . Chec k fo r
voltag e betwee n th e driver' s
powe r sea t reclin e 4 P connecto r
No . 4 termina l an d bod y groun d
wit h th e reclin e switc h pushe d
backward . Ther e shoul d b e 1 0 V
o r mor e wit h th e switc h pushe d
an d 0 V wit h th e switc h in neutra l
position .
Ar e voltage s a s specified ? •
Ope n o r shor t i n th e wire s
• Fault y reclin e switc h
• Fault y sea t contro l uni t
NO
YE S
NO• Ope n o r shor t i n th e GR Y o r
RE D wir e betwee n moto r an d
th e 4 P connector .
- Fault y reclin e moto r
Tes
t th e driver' s powe r sea t reclin e
moto r (se e pag e 23-228 ).
Doe s th e moto r ru n smoothl y
an d withou t noise ?
YES
Chec k fo r voltag e betwee n th e sea t
contro l uni t 16 P connecto r B1 0 ter -
mina l an d 12 P connecto r A 4 termi -
na l whil e operatin g th e reclin e
moto r forwar d an d backward .
NOTE : Al l DPM S connector s mus t
b e connected .
I
Does th e voltag e puls e betwee n
1 V or les s an d 5 V or mor e wit h
th e reclin e moto r running ?NO• Ope n o r shor t i n th e wire s
• Fault y reclin e positio n senso r
• Fault y sea t contro l uni t
Substitut e a known-goo d sea t
contro l unit , an d recheck . I f th esystem s no w wor k OK , replac e
th e origina l sea t contro l unit .
YES
SEA T CONTRO L UNI T16P CONNECTO R "B "
DRIVER' S POWE R SEA TRECLIN E MOTO R4P CONNECTO R
NOTE: Al l connecto r view s ar e fro m wire side
o f femal e terminals .
SEAT CONTRO L UNI T16P CONNECTO R "B "
SEA T CONTRO L UNI T12P CONNECTO R "A "
(cont'd )
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