1996 ACURA RL KA9 Service Repair Manual

Driving Positio n Memor y Syste m (DPMS )
Descriptio n
The driver' s seat , th e powe r mirror s an d th e steerin g column , whos e position s ar e determine d th e driver' s position , hav e
a memor y feature . Th e sea t adjustments , th e mirro r adjustments , an d th e steerin g colum n adjustment s can be regulate d
separately . Al l o f adjustment s ca n b e memorize d b y th e pressin g th e MEM O butto n o n th e drivin g positio n memor y
switch , an d the n pressin g on e o f th e tw o positio n button s withi n 5 seconds . Pressin g th e appropriat e positio n butto n wil l
mov e th e seat , th e mirro r an d th e steerin g colum n t o th e positio n memorize d fo r drive r 1 o r drive r 2 , eliminatin g manua l
adjustment s whe n changin g drivers .
NOTE : Disconnectin g th e batter y wil l cance l th e memorize d positions .
STEERIN G COLUM N POSITIO N SENSOR S
B y mean s o f th e variabl e resistor-typ e til t positio n senso r an d extend-retrac t positio n sensor , th e steerin g colum n contro l
uni t detect s th e voltag e change s cause d b y th e movement s o f th e steerin g column . Thes e voltag e change s ar e store d in
memory , an d th e steerin g colum n positio n is memorized .
POWE R SEA T POSITIO N SENSOR S
Eac h moto r ha s a ree d switc h senso r whic h detect s moto r rotatio n an d send s a puls e to th e powe r sea t contro l uni t whe n
th e moto r rotates . Th e contro l uni t store s th e numbe r o f pulse s i n it s memory , an d th e sea t positio n is memorized .
POWE R MIRRO R POSITIO N SENSOR S
B y mean s o f a Hall-effec t typ e til t positio n senso r an d swin g positio n sensor , th e powe r mirro r contro l uni t detect s th e
voltag e change s cause d b y th e movement s o f th e mirrors .
Thes e voltag e change s ar e store d in memory , an d th e powe r mirro r position s ar e memorized .
"AUTO " SWITC H FUNCTIO N
Whe n th e ignitio n ke y i s pulle d ou t (ignitio n switc h turne d OFF ) wit h th e AUT O switc h i n th e steerin g colum n switc h O N
and th e vehicl e parke d (shif t leve r i n th e steerin g colum n wil l automaticall y mov e t o th e highes t til t positio n an d full y
retracte d positio n t o eas e exi t fro m th e vehicle .
Whe n th e ignitio n ke y i s inserte d int o th e ignitio n ke y switc h wit h th e AUT O switc h O N an d th e vehicl e parke d (shif t leve r
in th e steerin g colum n wil l automaticall y mov e bac k t o th e previou s position .
MEMOR Y RETRIEV E
When on e o f th e tw o button s o n th e drivin g positio n memor y switc h i s presse d wit h th e vehicl e parke d (shif t leve r i n
th e seat , th e mirror , an d th e steerin g colum n mov e t o th e memorize d positions .
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MEMORY RANGE S
Sea t an d steerin g colum n position s ca n b e memorize d withi n thes e ranges :
NOTE: Th e powe r mirro r positio n ca n b e memorize d withi n al l range s o f th e mirro r movements .
Power Seat :NEUTRA L
Steering Column :
240 m m(9. 4 in)
40 m m(1.6 in )
RETRAC T
EXTEND
TIL
T DOW N
TIL
T U P
30 m m (1. 2 in)
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Driving Positio n Memor y Syste m (DPMS )
Self-diagnosti c Procedure s
The self-diagnosti c functio n o f th e drivin g positio n memor y syste m detect s syste m problems , an d store s u p t o 5 proble m
cause s i n memory . This informatio n ca n b e retrieve d b y displayin g th e diagnosti c troubl e code .
Displayin g th e Diagnosti c Troubl e Cod e (DTC )
1 . Tur n th e ignitio n switc h OFF .
2 . Pres s th e MEM O butto n an d bot h positio n button s
a t th e sam e time , an d hol d them .
3 . Tur n th e ignitio n switc h O N (II) , an d wai t a t leas t
1 second , the n releas e th e thre e buttons .
4. Afte r 1 second , th e positio n butto n indicator s wil l
blin k t o sho w th e DTC .
DT C Indication s
N o Syste m Problem :
I f ther e is n o DT C stored , th e indicator s blin k onl y onc e ( 3 seconds) .INDICATOR S (LED )
Indicato r 1
indicato r 2
Ignitio n
switc h
MEM O butto nPos. butto n 1
Pos . butto n 2
Syste m Problem(s ) Exist(s ) (Exampl e show s DT C 12) :
U p t o fiv e DTC s ca n b e indicate d i n th e orde r th e problem s occurred . Th e firs t digi t i s indicate d b y th e numbe r o f lon g
( 1 second ) blinks , an d th e secon d digi t i s indicate d b y th e numbe r o f shor t (0.2 6 second ) blinks . Ther e i s a 3 secon d brea k
betwee n eac h DT C whe n ther e ar e multipl e DTCs .
MEM O butto n
Pos. butto n 1Pos . butto n 2
Ignitio n switc h
Indicato r 1
Indicato r 2
Cancellin g th e DT C Indicatio n
• Tur n th e ignitio n switc h OF F o r
• Pres s th e MEM O button , o r th e positio n butto n 1 , o r th e positio n butto n 2 , o r
• Pres s on e o f th e drivin g positio n adjustmen t switches .
Erasin g th e DT C fro m Memor y
NOTE:
• Th e PC M memor y settin g is neede d afte r reconnectin g th e batter y (se e sectio n 11 ).
• Mak e sur e yo u hav e th e anti-thef t cod e fo r th e radio , the n writ e dow n th e frequencie s fo r th e radio' s prese t button , an d
afte r reconnectin g th e batter y ente r th e anti-thef t cod e fo r th e radio , the n ente r th e customer' s radi o statio n presets .
Disconnec t th e batter y negativ e cabl e fo r a t leas t 3 0 seconds .
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Diagnostic Troubl e Cod e (DTC ) Char t
NOTE : Befor e yo u procee d wit h th e appropriat e flowchart(s) , chec k powe r an d groun d a s describe d in th e test s o n pag e 23-206 .
DTC
1
2
3
4
5
6
21
22
23
2 4
25
26
27
2 8
2 9
30
3 1
3 2
33
3 4
35
36
37
Sympto m
Seat can' t b e adjuste d wit h th e slid e
switch .
Sea t can' t b e adjuste d wit h th e reclinin g
switch .
Sea t fron t heigh t can' t b e adjuste d wit h
th e fron t up-dow n switch .
Sea t rea r heigh t can' t b e adjuste d wit h th e
rea r up-dow n switch .
Steering colum n can' t b e adjuste d wit h
the til t switch .
Steerin g colum n can' t b e adjuste d wit h
th e extend-retrac t switch .
Position s can' t b e store d wit h th e ignitio n
switch O N (II ) an d th e MEM O butto n
pressed .
Positions can' t b e store d o r retrieve d wit h
positio n butto n 1 .
Position s can' t b e store d o r retrieve d wit h
positio n butto n 2 .
Sea t can' t b e adjuste d forwar d wit h th e
slid e switch .
Seat can' t b e adjuste d backwar d wit h th e
slid e switch .
Sea t can' t b e adjuste d forwar d wit h th e
reclin e switch .
Sea t can' t b e adjuste d backwar d wit h th e
reclin e switch .
Seat fron t heigh t can' t b e adjuste d wit h
the fron t u p switch .
Seat fron t heigh t can' t b e adjuste d wit h
th e fron t dow n switch .
Seat rea r heigh t can' t b e adjuste d wit h th e
rea r u p switch .
Sea t rea r heigh t can' t b e adjuste d wit h th e
rea r dow n switch .
Steerin g colum n can' t b e adjuste d wit h
the tilt-u p switch .
Steerin g colum n can' t b e adjuste d wit h
th e tilt-dow n switch .
Steerin g colum n can' t b e adjuste d wit h
th e exten d switch .
Steerin g colum n can' t b e adjuste d wit h
th e retrac t switch .
Steerin g colum n doesn' t
tilt up an d retrac t
whe n th e ignitio n ke y i s pulle d out .
Steerin g colum n doesn' t til t up , o r th e
steerin g colum n positio n canno t b e
retrieve d wit h th e shif t leve r i n Possibl
e Caus e
Faul t i n slid e switc h o r slid e switc h wirin g
Faul t i n reclin e switc h o r reclin e switc h
wiring
Fault i n fron t up-dow n switc h o r fron t
up-dow n switc h wirin g
Faul t i n rea r up-dow n switc h o r rea r
up-dow n switc h wirin g
Faul t
in til t switc h or tilt switc h wiring
Fault i n extend-retrac t switc h o r
extend-retrac t switc h wirin g
Faul t i n MEM O butto n wirin g o r commo n
wirin g o f switche s
Faul t i n positio n butto n 1 wirin g o r
commo n wirin g o f switche s
Fault i n positio n butto n 2 wirin g o r
commo n wirin g o f switche s
Faul t i n forwar d slid e switc h wirin g o r
commo n wirin g o f switche s
Faul t i n backwar d slid e switc h wirin g o r
commo n wirin g o f switche s
Faul t i n forwar d reclin e switc h wirin g o r
commo n wirin g o f switche s
Faul t i n backwar d reclin e switc h wirin g o r
commo n wirin g o f switche s
Fault i n fron t u p switc h wirin g o r commo n
wiring o f switche s
Faul t i n fron t dow n switc h wirin g o r
commo n wirin g o f switche s
Faul t i n rea r u p switc h wirin g o r commo n
wirin g o f switche s
Faul t i n rea r dow n switc h wirin g o r
commo n wirin g o f switche s
Faul t i n tilt-u p switc h wirin g o r commo n
wirin g o f switche s
Faul t i n tilt-dow n switc h wirin g o r
commo n wirin g o f switche s
Faul t i n exten d switc h wirin g o r commo n
wirin g o f switche s
Faul t i n retrac t switc h wirin g o r commo n
wirin g o f switche s
Faul t i n th e ignitio n switc h o r ignitio n
switc h wirin g
Faul t i n th e transmissio n rang e switc h o r
transmissio n rang e switc h
Flowchar t
3
4
5
6
7
8
9
9
9
3
3
4
4
5
5
6
6
7
7
8
8
1
1
Pag e
23-21 4
23-215
23-216
23-21 7
23-218
23-21 9
23-22 0
23-22 0
23-22 0
23-214
23-21 4
23-215
23-21 5
23-21 6
23-216
23-217
23-217
23-21 8
23-218
23-219
23-21 9
23-20 6
23-206
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