1996 ACURA RL KA9 Service Repair Manual

bulb fuses open bonnet service jump start terminals traction control

Page 1641 of 1954

ACURA RL KA9 1996 Service Repair Manual Driving Positio n Memor y Syste m (DPMS )
Power Mirro r Contro l Uni t Inpu t Tes t
1. Remov e th e driver' s doo r pane l (se e sectio n 20 ).
2 . Disconnec t th e powe r mirro r contro l uni t c

Page 1642 of 1954

ACURA RL KA9 1996 Service Repair Manual Cavity Wir e
Test conditio n Test
: Desire d resul t Possible caus e if resul t i s no t obtaine d
A6
B1
A1 1
A1 2
B9
A 3
A 4
A5
A9
A1 0
WHT/YE L
RED/YEL
(WHT/YEL )
YEL/BLK
BLK
BL K
BLU/GR N
BLU/OR N

Cavity Wir e
Test conditio n Test
: Desire d resul t Possible caus e if resul t i s no t obtaine d
A6
B1
A1 1
A1 2
B9
A 3
A 4
A5
A9
A1 0
WHT/YE L
RED/YEL
(WHT/YEL )
YEL/BLK
BLK
BL K
BLU/GR N
BLU/OR N
RED/WH T
YEL
BLU
Unde r al l condition s
Unde r al l condition s
Ignitio n switc h O N (II )
Unde r al l conditions .
Ignitio n switc h O N (II) ,
an d powe r mirro r selec -
to r switc h t o right , the n
pres s th e powe r mirro r
switc h "Right "
Ignitio n switc h O N (II) ,
an d powe r mirro r selec -
to r switc h t o right , the n
pres s th e powe r mirro r
switc h "Left " o r "Down "
Ignitio n switc h O N (II) ,
an d powe r mirro r selec -
to r switc h t o righ t o r left ,
the n pres s th e powe r
mirro r switc h "UP "
Ignitio n switc h O N (II) ,
an d powe r mirro r selec -
to r switc h t o left , the n
pres s th e powe r mirro r
switc h "Right "
Ignition switc h O N (II) ,
and powe r mirro r selec -
to r switc h t o left , the n
pres s th e powe r mirro r
switc h "Left " o r "Down "Chec
k fo r voltag e to ground :
Ther e shoul d b e batter y voltage .
Chec k fo r continuit y to ground :
Ther e shoul d b e continuity .
Chec k fo r voltag e to ground :
Ther e shoul d b e batter y voltage .
Chec k fo r voltag e to ground :
Ther e shoul d b e batter y voltage .
Chec k fo r voltag e to ground :
Ther e shoul d b e batter y voltage .
Chec k fo r voltag e to ground :
Ther e shoul d b e batter y voltage .
Chec k fo r voltag e to ground :
Ther e shoul d b e batter y voltage . •
Blow n No . 5 6 (7. 5 A ) fus e in th e under -
hood fuse/rela y bo x• A n ope n in th e wir e
• Blow n No . 5 4 (2 0 A ) o r No . 5 6 (7. 5 A )
fus e in th e under-hoo d fuse/rela y bo x
• A n ope n in th e wir e
• Blow n No . 1 9 (7. 5 A ) fus e in th e under -
dash fuse/rela y bo x• A n ope n in th e wir e
• Poo r groun d (G401 , G40 2 o r G251 )
• A n ope n in th e wir e
• Blow n No . 1 9 (7. 5 A ) fus e in th e under -
dash fuse/rela y bo x• Fault y powe r mirro r switc h
• A n ope n in th e wir e
• Blow n No . 1 9 (7. 5 A ) fus e in th e under -
dash fuse/rela y bo x
• Fault y powe r mirro r switc h
• A n ope n in th e wir e
• Blow n No . 1 9 (7. 5 A ) fus e in th e under -
das h fuse/rela y bo x
• A n ope n in th e wir e
• Blow n No . 1 9 (7. 5 A ) fus e in th e under -
das h fuse/rela y bo x
• Fault y powe r mirro r switc h
• A n ope n in th e wir e
• Blow n No . 1 9 (7. 5 A ) fus e in th e under -
dash fuse/rela y bo x• Fault y powe r mirro r switc h
• A n ope n in th e wir e
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Page 1643 of 1954

ACURA RL KA9 1996 Service Repair Manual Driving Positio n Memor y Syste m (DPMS )
Power Mirro r Contro l Uni t Inpu t Tes t (cont'd )
12P CONNECTO R "A "
BLU/GR N BLU/OR NRED/WHT
WHT/YEL
16P CONNECTO R "B "
BR NYELGR N
R

Driving Positio n Memor y Syste m (DPMS )
Power Mirro r Contro l Uni t Inpu t Tes t (cont'd )
12P CONNECTO R "A "
BLU/GR N BLU/OR NRED/WHT
WHT/YEL
16P CONNECTO R "B "
BR NYELGR N
RED/YE LGRN/WH TRED/BLK
Cavity
BLK/WH T
Wire
BLKYEL/BL K
Test conditio n
Test: Desire d resul t
BRN/WH TBLU BL U GR Y
Possible caus e if resul t i s no t obtaine d
B3•
B 4
B3•
B1 2
B2•
B1 1
B10*
B1 1
BR N•
YEL
BRN•
BLU
YE L•
BRN
BLU•
BR N
Connec t batter y powe r
t o th e B 3 terminal , an d
B 4 termina l t o th e B 9
termina l momentarily .
Connect batter y powe r
to th e B 3 terminal , an d
B12 termina l t o th e B 9
termina l momentarily .
Connec t batter y powe r
t o th e B1 1 terminal , an d
B2 termina l t o th e B 9termina l momentarily .
Connec t batter y powe r
t o th e B1 1 terminal , an d
B1 0 termina l t o th e B 9
termina l momentarily .
Check th e righ t powe r mirro r
actuato r operation :
Th e mirro r shoul d swin g left .
Chec k th e righ t powe r mirro r
actuato r operation :
The mirro r shoul d til t down .
Check th e lef t powe r mirro r
actuato r operation :
The mirro r shoul d swin g left .
Chec k th e lef t powe r mirro r
actuato r operation :
Th e mirro r shoul d til t down . •
Fault y righ t powe r mirro r actuato r
• A n ope n in th e wir e
• Fault y righ t powe r mirro r actuato r
• A n ope n in th e wir e
• Fault y lef t powe r mirro r actuato r
• A n ope n in th e wir e
• Fault y lef t powe r mirro r actuato r
• A n ope n in th e wir e
Reconnec t al l connector s to th e powe r mirro r contro l unit .
Cavit y Wir e Test conditio n
Test: Desire d resul t Possible caus e if resul t i s no t obtaine d
B8•
B1 6
B7•
B1 6
B1 5•
B16
B6•
B1 6
B1 4•
B16
RED/BL K•
BRN/WH T
GRN•
BRN/WH T
GRY•
BRN/WH T
GRN/WH T•
BRN/WHT
GRY•
BRN/WH T
Ignition switc h O N (II )
NOTE : Connec t al l
mirro r contro l uni t
connectors .
Ignition switc h O N (II )
NOTE : Connec t al l
mirro r contro l uni t
connectors .
Ignition switc h O N (II )
NOTE : Connec t al l
mirro r contro l uni t
connectors .
Ignition switc h O N (II )
NOTE : Connec t al l
mirro r contro l uni t
connectors .
Ignition switc h O N (II )
NOTE : Connec t al lmirro r contro l uni t
connectors .
Check fo r voltag e betwee n th e
terminals :
Ther e shoul d b e abou t 5 V .
Chec k fo r voltag e betwee n th e
terminals :
Th e voltag e shoul d chang e fro m
abou t 1 V to 3 V whe n th e righ t
mirro r swing s fro m lef t t o right .
Chec k fo r voltag e betwee n th e
terminals :
Th e voltag e shoul d chang e fro m
abou t 1 V to 3 V whe n th e righ t
mirro r tilt s fro m up to down .
Check fo r voltag e betwee n th e
terminals :
Th e voltag e shoul d chang e fro m
abou t 1 V to 3 V whe n th e lef t mir -
ro r swing s fro m righ t t o left .
Chec k fo r voltag e betwee n th e
terminals :
Th e voltag e shoul d chang e fro m
abou t 1 V to 3 V whe n th e lef t mir -
ro r tilt s fro m u p t o down . •
Fault y powe r mirro r positio n
sensors
• A n ope n in th e wir e
• Fault y righ t powe r mirro r positio nsensor
• A n ope n in th e wir e
• Fault y righ t powe r mirro r positio n
sensor
• A n ope n in th e wir e
• Fault y lef t powe r mirro r positio n
sensor
• A n ope n in th e wir e
• Fault y lef t powe r mirro r positio n
sensor
• A n ope n in th e wir e
YEL
GR YBRNBLKYE L BL U
LT GRN/RE D
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Page 1644 of 1954

ACURA RL KA9 1996 Service Repair Manual Multiplex Contro l Syste m
Componen t Locatio n Inde x
IGNITIO N KE Y LIGH TReplacement , pag e 23-25 4
MULTIPLE X CONTRO L UNI T (PASSENGER'S )(Has built-i n th e beeper )
MULTIPLE X CONTRO L UNI

Page 1645 of 1954

ACURA RL KA9 1996 Service Repair Manual System Function s
• Multiple x Contro l Syste m (Multiple x function , Wak e up/slee p function , Fail-saf e function , Self-diagnosi s function* )
* : Self-diagnosi s functio n mod e 1 is th e sel

System Function s
• Multiple x Contro l Syste m (Multiple x function , Wak e up/slee p function , Fail-saf e function , Self-diagnosi s function* )
* : Self-diagnosi s functio n mod e 1 is th e self-diagnosi s fo r th e multiple x contro l system .
Self-diagnosi s functio n mod e 2 is th e failur e diagnosi s fo r th e inpu t lin e o f eac h system .
• Integrate d Contro l Syste m (Engin e oi l pressur e indicato r flashe r circuit , Key-i n reminde r circuit , Light-o n reminde r circuit ,
Sea t bel t reminde r circuit )
• Das h Light s Brightnes s Contro l
• Entr y Ligh t Contro l Syste m
• Rea r Windo w Defogge r
• Trun k li d Opene r
• Powe r Doo r Lock s (wit h keyles s entr y system )
• Powe r Windo w (wit h key-of f timer operation )
• Wiper/washer s (wit h spee d responden t intermitten t wiper )
• Securit y Alar m Syste m
• Interloc k Syste m (se e sectio n 14 )
Multiple x Communicatio n Syste m
Multiple x Communicatio n Function s
• T o reduc e th e numbe r o f wir e harnesses , digita l signal s ar e sen t vi a share d multiple x communicatio n line s rather than
sendin g norma l electrica l signal s throug h individua l wires .
• Th e inpu t signal s fro m eac h switc h ar e converte d t o digita l signal s a t th e centra l processin g uni t (CPU) . Th e digita l
signal s ar e sen t fro m th e transmitte r uni t t o th e receive r uni t a s seria l signals .
• Th e transmitte d signa l i s converte d t o a switc h signa l a t th e receive r unit , an d it operate s th e relate d component .
• Ther e ar e exclusiv e communicatio n line s betwee n eac h o f th e multiple x contro l units :
Door Driver' s (fro m th e doo r t o th e driver' s multiple x contro l units ) Wir e color : BRN/YE L
Driver's Passenger' s (fro m th e driver' s t o th e passenger' s multiple x contro l units ) Wir e color : BRN/WH T
Passenger' s Driver' s (fro m th e passenger' s t o th e driver' s multiple x contro l units ) Wir e color : RED/YE L
• Th e contro l unit s alway s communicat e vi a thes e line s whe n th e syste m is operating , an d the y sto p communicatin g
whe n th e syste m is OFF .
Wake-u p an d Slee p Function s
• Th e multiple x contro l syste m ha s "wake-up " an d "sleep " function s t o decreas e parasiti c dra w o n th e batter y whe n th e
ignitio n switc h is OFF .
• I n th e slee p mode , th e multiple x contro l uni t stop s th e function s (communicatio n an d CP U control ) whe n i t i s no t nec -
essar y fo r th e syste m to operate .
• A s soo n a s an y operatio n i s don e (fo r example , a doo r i s unlocked) , th e relate d contro l uni t i n th e slee p mod e wake s u p
an d begin s t o functio n a t once . Thi s contro l uni t als o send s a wake-u p signa l t o th e othe r contro l unit s vi a th e commu -
nicatio n lines .
• Whe n th e ignitio n switc h i s turne d OFF , ther e i s abou t a 30 secon d dela y befor e th e contro l unit s g o fro m th e wake-u p
mod e t o th e slee p mode .
• I f an y doo r i s open , th e slee p mod e wil l no t function .
Fail-safe Function s
• T o preven t imprope r operation , th e multiple x contro l syste m ha s a fail-saf e function . I n th e fail-saf e mode , th e outpu t
signa l i s fixe d whe n an y par t o f th e syste m malfunction s (fo r example , a fault y contro l uni t o r communicatio n line) .
• Eac h contro l uni t ha s a hardwar e fail-saf e functio n tha t fixe s th e outpu t signa l whe n ther e i s an y CP U malfunctio n an d
a softwar e fail-saf e functio n tha t ignore s th e signa l fro m th e malfunctionin g contro l uni t an d allow s th e syste m to
operat e normally .
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Page 1646 of 1954

ACURA RL KA9 1996 Service Repair Manual Multiplex Contro l Syste m
Troubleshootin g Guid e
A proble m ha s bee n detecte dwith a t leas t on e o f th e multiple x
contro l syste m functions .
Check th e No . 13 , 17 , 44 , an d 5 6fuses .
A

Page 1647 of 1954

ACURA RL KA9 1996 Service Repair Manual Power an d Groun d Tes t
Multiple x Contro l Uni t (Door) :
1 . Remov e th e driver' s doo r panel , an d disconnec t th e 20 P connecto r fro m th e doo r unit .
2 . Inspec t th e connecto r an d

Page 1648 of 1954

ACURA RL KA9 1996 Service Repair Manual Multiplex Contro l Syste m
Power an d Groun d Tes t (cont'd )
Multiplex Contro l Uni t (Passenger's) :
1 . Remov e th e righ t kic k pane l (se e sectio n 20 ).
2 . Disconnec t th e 22 P an d

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