1996 ACURA RL KA9 Service Repair Manual

(To page 23-87) GR
N TES T HARNES S CLI P
TES
T HARNES S
07LA J-PT3020 A
Vehicle Spee d Senso r (VSS )
Troubleshootin g
Before testing , inspec t th e No . 1 3 (7. 5 A ) fus e in th e under-das h fuse/rela y box .
Test th e YE L wire :
1 . Disconnec t th e 3 P connecto r
fro m th e vehicl e spee d sensor .
2 . Connec t th e tes t harnes s
( 07LA J - PT30200A ) onl y t o
th e VS S sub-harness .
3. Connec t the Whites t harnes sclip t o th e positiv e prob e o f avoltmeter .4. Tur n th e ignitio n switc h O N (II) .
Is ther e batter y voltage ? Repai
r ope n i n th e YE L wir e
betwee n th e VS S an d under -
das h fuse/rela y box .NO
YE S
Tes t th e BLU/WH T wire :
1 . Disconnec t th e WH T tes t har -
nes s clip .
2 . Connec t th e GR N tes t harnes s
clip t o th e positiv e prob e o f avoltmeter .
Is ther e 5 V or more ?NO
Repai r shor t i n th e BLU/WH T wir ebetwee n th e VS S an d— PCM ,— cruis e contro l unit ,
— steerin g colum n contro l unit ,
— multiple x contro l uni t (driver's) ,
— navigatio n contro l unit .
YES
GR N TES T HARNES SCLIP
VSS
TES T HARNES S
07LA J-PT3020 A RE
D TES T HARNES S
CLIP
PROTECTIV ETAPE
WHT TES T HARNES S CLI P
WH T TES T HARNES S
CLIP
VSS
RE D TES T HARNES SCLIP
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(From page 23-86)
Tes t th e GRN/BL U wire :
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e tes t harness .
3 . Disconnec t th e PC M 22 P con -
nector .4. Chec k fo r continuit y betwee n
th e PC M 22 P connecto r No . 2 2
termina l an d VS S 3 P connec -
tor No . 1 .
Is ther e continuity ?NO
YE S
Repai r ope n i n th e GRN/BL U
wir e betwee n th e VS S an d PCM . PC
M CONNECTO R D (22P )
Wir e sid e o f
femal e terminal s
VS S 3P CONNECTO R
(GRN/BLK)
(GRN/BLU)
Wir e sid e o f
femal e terminal s
Replac e th e VSS .
GAUGE ASSEMBL Y 22 P CONNECTO R "A "
Wir e sid e o f
femal e terminal s
(BLU/WHT )
Repair ope n i n th e BLU/WH T
wir e betwee n th e VS S an d th e
speedometer .
Doe
s th e mete r indicat e pulsin g
voltage ?
YES
NO
Replac e th e speedometer .
Speedomete
r Test :
1 . Disconnec t th e 22 P connecto r
"A " fro m th e gaug e assembly .
2 . Touc h a prob e t o th e BLU /
WH T wire , an d connec t i t t o
bod y groun d throug h a volt -
meter .
3 . Slowl y rotat e on e whee l wit h
th e othe r whee l blocked .
Doe
s voltag e puls e fro m 0 t o
approx . 5 V or more ?
Tes
t th e VSS :
1 . Tur n th e ignitio n switc h OFF .
2 . Rais e th e fron t o f th e vehicle ,
and suppor t i t wit h safet ystands.
3 . Pu t th e vehicl e i n neutra l wit h
th e ignitio n switc h O N (II) .
4 . Slowl y rotat e on e whee l wit h
th e othe r whee l blocked .
NO
YE S
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LEFT REA R DOO R SWITC H
Test , pag e 23-26 4
BRAKE LIGH T
FAILUR E SENSO R
Test , pag e 23-9 6 TRUN
K LI D LATC H SWITC H
Test/Replacement , pag e 23-35 3
DRIVER'
S DOO R SWITC H
Test , pag e 23-26 4
BRAK
E SWITCH *
Se e sectio n 1 9
* : Yo u ca n als o tes t th e switc h b y usin g th e self-diagnosi s functio n (mod e 2) . (Se e pag e 23-252 .)
Safet y Indicato r
Componen t Locatio n Inde x
SRS component s ar e locate d i n thi s area . Revie w th e SR S componen t locations , precautions , an d procedure s i n th e SR S
(sectio n 24 ) befor e performin g repair s o r service .
SAFETY INDICATO R
Inpu t Test , pag e 23-9 4
FRON T PASSENGER' S DOO R SWITC H
Test , pag e 23-26 4
RIGHT REA R DOO R SWITC H
Test , pag e 23-26 4
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