1996 ACURA RL KA9 Service Repair Manual

If th e self-diagnosti c indicator light doe s no t blink , perfor m a n inspectio n accordin g t o th e tabl e below .
Sympto m
indicato r ligh t doe s no t com e o n fo r tw o second s afte r ignitio n
switc h is firs t turne d o n (II) .
indicato r ligh t i s o n constantl y (no t blinking ) wheneve r th e ignitio n
switc h is o n (II) .
Shif t leve r canno t b e move d fro m positio n wit h th e brak e peda l
pressed .
Ignitio n ke y canno t b e move d fro m AC C (1 ) positio n to LOC K (0 ) positio n
while pushin g th e ignitio n ke y wit h th e shif t leve r i s in position . Inspectio
n
Chec k interloc k syste m
-shif t loc k syste m
Chec k interloc k syste m
-ke y interloc k syste m Ref
. pag e
14-79
14-81
14-82
14-84
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Electrical Troubleshootin g
Troubleshooting Flowchar t — Torqu e Converte r Clutc h (Lock-u p Control )
Solenoi d Valv e A
• OB D II Sca n Too l indicate s Cod eP0743 .• Self-diagnosi s indicato r
ligh t blink s once .
Possibl e Caus e
• Disconnecte d torqu e converte r
clutc h solenoi d valv e A connec -
tor• Shor t o r ope n in torqu e con -verte r clutc h solenoi d valv e A
wir e
• Fault y torqu e converte r clutc h
solenoi d valv e A
• Ope n in V B SO L lin e
Chec k fo r a Shor t t o Power :
1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e A (26P ) an d E
(26P ) connector s fro m th e PCM .
3. Tur n th e ignitio n switc h O N (II) .4. Measur e th e voltag e betwee nthe E1 3 an d A2 6 terminals .
Is ther e voltage ?
NO
Repai r shor t t o powe r i n th e wir e
betwee n th e E1 3 termina l an d th e
torqu e converte r clutc h solenoi d
valv e A .
Measur e Torqu e Converte r Clutc h
Solenoi d Valv e A Resistance :
1. Tur n th e ignitio n switc h OFF .2. Measur e th e resistanc e
betwee n th e E1 3 an d A2 6 ter -
minals .
Is th e resistanc e 12-2 5 ?
N O
Chec k fo r loos e PC M connectors .
I f necessary , substitut e a known -
goo d solenoi d valve s A an d B or
PC M an d recheck .
To pag e 14-5
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From pag e 14-4
Chec k Torqu e Converte r Clutc h
Solenoi d Valv e A fo r a Shor t
Circuit :
1 . Disconnec t th e 2 P connecto r
from th e torqu e converte rclutch solenoi d valve s A an d B .2. Chec k fo r continuit y betwee n
th e E1 3 an d A2 6 terminals .
Is ther e continuity ?
NO
Repai r shor t t o groun d in th e wir ebetwee n th e E1 3 termina l an d th etorqu e converte r clutc h solenoi dvalve A .
Measur e Torqu e Converte r Clutc h
Solenoi d Valv e A Resistanc e a t
th e Solenoi d Connector :
Measur e th e resistanc e betwee n
the No . 2 termina l o f th e torqu econverte r clutc h solenoi d connec -tor an d bod y ground .
Is th e resistanc e 12-25
NO
Chec k fo r ope n i n th e wir e
betwee n th e E1 3 termina l an d th e
torqu e converte r clutc h solenoi d
valv e A .
I s ther e voltage ?
YES
Chec k fo r ope n i n th e wir e
betwee n th e E 1 termina l an d th e
under-hoo d fuse/rela y box .
Replac e th e torqu e converte r
clutc h solenoi d valve s A an d B .
Chec
k th e V B SO L Voltage :
1. Tur n th e ignitio n switc h O N (II) .2. Measur e th e voltag e betwee n
th e E 1 an d A2 6 terminals .
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Electrical Troubleshootin g
Troubleshooting Flowchar t — Torqu e Converte r Clutc h (Lock-u p Control )
Solenoi d Valv e B
• OB D II Sca n Too l indicate s Cod eP2756 .• Self-diagnosi s indicato r ligh t
blink s twice .
Chec k fo r a Shor t t o Power :
1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e A (26P ) an d
E (26P ) connector s fro m th e
PCM .3. Tur n th e ignitio n switc h O N (II) .4. Measur e th e voltag e betwee n
th e E2 6 an d A2 6 terminals .
I s ther e voltage ?
NO
Measur e Torqu e Converte r Clutc h
Solenoi d Valv e B Resistance :
1. Tur n th e ignitio n switc h OFF .2. Measur e th e resistanc e
betwee n th e E2 6 an d A2 6 ter -
minals .
Is th e resistanc e 1 2 - 2 5
NO
To pag e 14-7
Possibl e Caus e
• Disconnecte d torqu e converte r
clutc h solenoi d valv e B connec -
tor• Shor t o r ope n i n torqu e con -
verte r clutc h solenoi d valv e B
wir e
• Fault y torqu e converte r clutc h
solenoi d valv e B
• Ope n V B SO L lin e
Repai r shor t t o powe r i n th e wir e
betwee n th e E2 6 termina l an d th e
torqu e converte r clutc h solenoi d
valve B .
Chec k fo r loos e PC M connectors .If necessary , substitut e a known -
goo d solenoi d valve s A an d B or
PC M an d recheck .
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