ACURA RL KA9 1996 Service Repair Manual

PGM-FI Syste m
Spark Plu g Voltag e Detectio n Modul e
The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1316 : Spar k Plu g Voltag e Detectio n circui t malfunctio n
[left ban k (Ban k 2) ]
The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1317 : Spar k Plu g Voltag e Detectio n circui t malfunctio n
[right ban k (Ban k 1) ]
NOTE : I f DT C P131 8 and/o r P131 9 ar e store d a t th e sam e tim e a s DT C P131 6 and/o r P1317 , troubleshoo t thos e DTC s first ,
then troubleshoo t DT C P131 6 and/o r P1317 .
— Th e MI L ha s bee n reporte d on .
— DT C P131 6 and/o r P131 7 ar e
stored .
Proble m verification :
1 . D o th e PC M Rese t Procedure .
2 . Star t th e engine . Hol d th e
engin e a t 3,00 0 rp m wit h n o
loa d (i n Par k o r neutral ) unti l
th e radiato r fa n come s on ,
the n le t i t idle .
I s DT C P131 6 and/o r P131 7
indicated ?
YES
Chec k fo r a shor t i n th e wir e
(MFPLS L o r MFPLSR * line) :
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e spar k plu g
voltag e detectio n modul e 8 P
connector .
3 . Disconnec t th e PC M connec -
to r F (8P ) fro m th e PCM .
4 . Chec k fo r continuit y betwee n
th e PC M connecto r termina l
F 8 (F4* ) an d bod y ground .
I s ther e continuity ?
NO
Chec k fo r a n ope n i n th e wir e
(MFPLS L o r MFPLSR * line) :
Chec k fo r continuit y betwee n th e
PC M connecto r termina l F 8 (F4* )
an d spar k plu g voltag e detectio n
modul e 8 P connecto r termina l
No. 6 (No . 3*) .
Is ther e continuity ?
YES
Chec k fo r a n ope n i n th e wir e
(GND L o r GNDR * line) :
Chec k fo r continuit y betwee n th e
spar k plu g voltag e detectio n
modul e 8 P connecto r termina l
No . 8 (No . 1* ) an d bod y ground .
(T o pag e 11-103 ) PC
M CONNNECTO R F (8P )
NO
Intermitten t failure , syste m is O K
a t thi s time . Chec k fo r poo r con -
nection s o r loos e wire s a t C45 1
(locate d unde r righ t sid e o f
dash) , C21 4 (Spar k Plu g Voltag e
Detectio n Module ) an d PCM .
Wire sid e o f femal e terminal s
SPARK PLU GVOLTAG EDETECTIO NMODULE
8 P CONNECTO R (C214 )
Repai r shor t i n th e wir e betwee n
the PC M (F 8 o r F4* ) an d spar kplug voltag e detectio n module .
Wire sid e o f
femal e
terminal s
Repai r ope n in th e wir e betwee n
the PC M (F 8 o r F4* ) an d spar kplug voltag e detectio n module .
Wire sid e o f
femal e terminal s
*: P131 7
Wire sid e o f
femal e
terminal s
NO
PC M CONNECTO RF (8P)
YES
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(From pag e 11-102 )
I s ther e continuity ?
YES
Repai r ope n i n th e wir e betwee n
th e spar k plu g voltag e detectio n
modul e an d G20 2 (righ t sid e o f
engin e compartment) .
Substitute a known-goo d spar kplug voltag e detectio n modul e
an d recheck .
Is DT C P131 6 and/o r P131 7indicated ?Replace th e origina l spar k plu g
voltag e detectio n module .
YES
Substitut e a known-goo d PC Mand rechec k (se e pag e 11-42 fo r
immobilize r information) . I f symp -
tom/indicatio n goe s away , replac e
th e origina l PCM .
NO
N O
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PGM-FI Syste m
The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1318 : Spar k Plu g Voltag e Detectio n Modul e Rese t circui t
malfunctio n [lef t ban k (Ban k 2) ]
The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1319 : Spar k Plu g Voltag e Detectio n Modul e Rese t circui t
malfunctio n [righ t ban k (Ban k 1) ]
— Th e MI L ha s bee n reporte d on .
— DT C P131 8 and/o r P131 9 i s
stored .
Proble m verification :
1 . D o th e PC M Rese t Procedure .
2 . Star t th e engine . Hol d th e
engin e a t 3,00 0 rp m wit h n o
loa d (i n Par k o r neutral ) unti l
th e radiato r fa n come s on ,
the n le t i t idle .
I s DT C P131 8 and/o r P131 9
indicated ?
YES
Chec k fo r a shor t i n th e wir e
(PHRST L o r PHRSTR * line) :
1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e spar k plu g
voltag e detectio n modul e 8 P
connector .3. Disconnec t th e PC M connec -tor F (8P) .4. Chec k fo r continuit y betwee n
th e PC M connecto r termina l
F 7 (F3* ) an d bod y ground .
I s ther e continuity ?
NO
Chec k fo r a n ope n i n th e wir e
(PHRST L o r PHRSTR * line) :
Chec k fo r continuit y betwee n th e
PC M connecto r termina l F 7 (F3* )
an d spar k plu g voltag e detectio n
modul e 8 P connecto r termina l
No. 7 (No . 2*) .
Is ther e continuity ?
YES
Chec k fo r a n ope n i n th e wir e
(IG1 L o r lG1R * line) :
1. Tur n th e ignitio n switc h O N (II) .2. Measur e voltag e betwee n th e
spar k plu g voltag e detectio n
modul e 8 P connecto r termina l
No . 5 (No . 4* ) an d bod y ground .
(T o pag e 11-105 )
NO
Intermitten t failure , syste m is O K
a t thi s time . Chec k fo r poo r con -
nection s o r loos e wire s a t C45 1
(locate d unde r righ t sid e o f
dash) , C21 4 (Spar k Plu g Voltag e
Detectio n Module ) an d PCM .
Wire sid e o f femal e terminal s
SPARK PLU GVOLTAG EDETECTIO NMODULE
8 P CONNECTO R (C214 )
Repai r shor t i n th e wir e betwee n
th e PC M (F 7 o r F3* ) an d spar k
plu g voltag e detectio n module .
Wire sid e o f
femal e
terminal s PC
M CONNECTO R
F (8P)
Repai r ope n in th e wir e betwee n
th e PC M (F 7 o r F3* ) an d spar k
plu g voltag e detectio n module . Wir
e sid e o f
femal e
terminal s
*: P131 9
YES
NO
Spar k Plu g Voltag e Detectio n Modul e (cont'd )
PCM CONNECTO R F (8P )
SPAR K PLU G VOLTAG EDETECTIO N MODUL E
8 P CONNECTO R
(C214)
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(From pag e 11-104 )
I s ther e batter y voltage ?
YES
Repai r ope n in th e wir e betwee nNo. 2 0 EC U (PCM ) (2 0 A ) fus e i nth e under-das h fuse/rela y bo x
an d spar k plu g voltag e detectio n
module .
Substitut e a known-goo d spar k
plu g voltag e detectio n modul e
and recheck .
Is DT C P131 8 and/o r P131 9indicated ?Replace th e origina l spar k plu g
voltag e detectio n module .
YES
Substitut e a known-goo d PC M
an d rechec k (se e pag e 11-42 fo r
immobilize r information) .
If symp -
tom/indicatio n goe s away , replac e
th e origina l PCM .
NO
NO
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PGM-FI Syste m
Crankshaf t Position/Cylinde r Positio n (CKP/CYP ) Senso r
The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P0335 : A malfunctio n in th e circui t o f th e Crankshaf t
Positio n (CKP ) senso r 1 .
Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P0336 : A n intermitten t interruptio n proble m of the
Crankshaf t Positio n (CKP ) senso r 1 .
Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1337 : A malfunctio n i n th e circui t o f th e Crankshaf t
Positio n (CKP ) senso r 2 .
Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1336 : A n intermitten t interruptio n proble m o f th e
Crankshaf t Positio n (CKP ) senso r 2 .
Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1381 : A n intermitten t interruptio n proble m o f th e
Cylinde r Positio n (CYP ) senso r 1 .
Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1382 : A malfunctio n in th e circui t o f th e Cylinde r Positio r
(CYP ) senso r 1 .
Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1386 : A n intermitten t interruptio n proble m of the
Cylinde r Positio n (CYP ) senso r 2 .
Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1387 : A malfunctio n in th e circui t o f th e Cylinde r Positio n
(CYP) senso r 2 .
Proble m verification :
1 . D o th e PC M Rese t Procedure .
2 . Star t th e engine .
I s DT C P0335 , P0336 , P1337 , P1336 ,
P1381 , P1382 , P138 6 and/o r P138 7
indicated ?
Chec k fo r a n ope n in th e CKP/CY P
sensor:1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e CKP/CY P 8 P
connector .
3 . Measur e resistanc e betwee n
the terminal s o f th e indicate dsensor (se e table) .
I s ther e 65 0 - 85 0
YES
Chec k fo r a shor t i n th e CKP/CY Psensor:Check fo r continuit y t o bod yground o n bot h terminal s o f th eindicate d sensor . CY
P PICK-U P
COI L 2
CY P PICK-U P
COI L 1
Intermitten t failure , syste m is O K
a t thi s time . Chec k fo r poo r con -
nection s o r loos e wire s a t C251 ,
C25 5 (locate d a t lef t shoc k tower) ,
C13 0 (CKP/CYP ) senso r an d PCM .
Replac e th e CKP/CY P senso r (se e
sectio n 6 ).
CKP/CYP SENSO R 8 P CONNECTO R
Termina l sid e o f mal e terminal s
(T o pag e 11-107 )
NO
YE S
NO
CK P PICK-U P
COI L 1CK P PICK-U PCOIL 2
Th e CK P Senso r determine s timin g fo r injectio n an d ignitio n o f eac h cylinde r an d als o detect s engin e speed .
Th e CY P Senso r detect s th e positio n o f No . 1 cylinde r fo r sequentia l injectio n t o eac h cylinder . Th e CKP/CY P Senso r i s
installe d behin d th e fron t camshaf t pulley .
— Th e MI L ha s bee n reporte d on .
— DT C P0335 , P0336 , P133 7
P1336 , P1381 , P1382 , P138 6
and/o r P138 7 ar e stored .
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(From pag e 11-106 )
I s ther e continuity ? Replac
e th e CKP/CY P senso r (se e
sectio n 6 ).
N O
Chec k fo r a n ope n i n th e wire s(CKP/CY P lines) :1. Reconnec t th e CKP/CY P 8 Psenso r connector .2. Disconnec t th e PC M connec -tor B (16P ) an d D (22P) .3. Measur e resistanc e betwee n
th e terminal s o f th e indicate d
senso r o n th e PC M connecto r
(see table) .
PCM CONNECTOR S
Wir e sid e o f femal e terminal s
I s ther e 65 0 - 85 0
YE S
Chec k fo r a shor t i n th e wire s(CKP/CY P lines) :Check fo r continuit y betwee n PC M
connecto r terminal s B5 , B6 , B7 , B 8
an d bod y ground .
I s ther e continuity ?
NO
Repai r shor t t o bod y groun d i n
th e indicate d senso r wire s (se e
table) .
Substitut e a known-goo d PC Mand rechec k (se e pag e 11-4 1 fo r
immobilize r information) . I f symp -
tom/indicatio n goe s away , replac e
th e origina l PCM .
YES
NO
YE S
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PGM-FI Syste m
Barometri c Pressur e (Baro ) Senso r
The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1106 : A range/performanc e proble m in th e Barometri c
Pressure (BARO ) Senso r circuit .
Is DT C P110 6 indicated ? Intermitten
t failure , syste m is O K
a t thi s time .
YES
Substitut e a known-goo d PC M
an d rechec k (se e pag e 11-42 fo r
immobilize r information) . I f symp -
tom/indicatio n goe s away , replac e
th e origina l PCM .
NO
Proble m verification :
1 . D o th e PC M rese t procedure .
2 . Connec t th e SC S servic e con -
nector .
3. Star t th e engine . Hol d th eengin e a t 3,00 0 rp m wit h n oloa d (i n Par k o r neutral ) unti l
th e radiato r fa n come s on ,
then le t i t idle .4. Test-driv e wit h th e transmis -sion i n position .
5 . Accelerat e fo r fiv e second s
usin g wid e ope n throttle .
—
Th e MI L ha s bee n reporte d on .
— DT C P110 6 is stored .
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The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1107 : A lo w voltag e proble m in th e Bar o senso r circuit .
The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1108 : A hig h voltag e proble m in th e Bar o senso r
circuit.
— Th e MI L ha s bee n reporte d on .
— DT C P110 7 o r P110 8 is stored .
Proble m verification :
1 . D o th e PC M Rese t Procedure .
2 . Tur n th e ignitio n switc h O N (II) .
Is DT C P110 8 indicated ?
NO
Substitut e a known-goo d PC M
an d rechec k (se e pag e 11-42 fo r
immobilize r information) . I f symp -tom/indicatio n goe s away , replac e
th e origina l PCM .
Is DT C P110 7 indicated ?NO
(Wit h TC S only )
YES
Intermitten t failure , syste m is O K
a t thi s time .
Chec k fo r poo r connection s o r
loos e wire s a t C44 4 (locate d
behin d righ t kic k panel) , C62 4
(TC S contro l unit ) an d PCM .
Chec k fo r a shor t i n th e wir e
(BAR O OU T line) :
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e PC M connec -
tor D (22P) .3. Disconnec t th e 20 P connecto rfrom th e TC S contro l unit .4. Chec k fo r continuit y betwee n
bod y groun d an d PC M con -
necto r termina l D3 . PC
M CONNECTO R D (22P )
BARO OU T(GRN/ORN )
I s ther e continuity ? Repai
r shor t i n th e wir e betwee n
PC M (D3 ) an d TC S contro l unit . Wir
e sid e o f femal e terminal s
NO
Substitut e a known-goo d TC S
contro l uni t an d recheck .
I s DT C P110 7 indicated ? Replac
e th e origina l TC S contro l
unit.
YES
Substitut e a known-goo d PC M
an d rechec k (se e pag e 11-42 fo r
immobilize r information) . I f symp -
tom/indicatio n goe s away , replac e
th e origina l PCM .
NO
YE S
YES
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PGM-FI Syste m
NOTE: I f th e DTC s liste d belo w ar e store d a t th e sam e tim e a s DT C P1486 , troubleshoo t thos e DTC s first , the n rechec k fo r
P1486 .
P0107 , P0108 , P1128 , P1129 : MA P Senso r
P1106 , P1107 , P1108 : Barometri c Pressur e Circui t
P1259 , P1279 : VTE C syste m
P0401 : EG R Flo w Insufficien t
P1491 : EG R Valv e Lif t Insufficien t
P1498 : EG R Valv e Positio n Senso r Hig h Voltag e
P0116 , P0117 , P0118 : Engin e Coolan t Temperatur e Circui t
P0112, P0113 : Intak e Ai r Temperatur e Circui t
P0335 , P0336 , P1336 , P1337 : Crankshaf t Positio n Senso r 1/ 2
P0300 : Rando m Misfir e
P0301 , P0302 , P0303 , P0304 , P0305 , P0306 : Cylinde r 1 , 2 , 3 , 4 , 5 or 6 Misfir e detected .
P0505 : Idl e Contro l Syste m Malfunctio n
P1508 : Idl e Ai r Contro l Valv e
DT C P148 6 ca n se t occasionall y whe n th e hoo d i s opened .
— Th e MI L ha s bee n reporte d on .
— DT C P148 6 is stored .
1. Tur n th e ignitio n Switc h OFF .2. Chec k th e engin e coolan t
level .
I s th e engin e coolan t leve l low ?
Doe s th e radiato r fa n kee p
running ?
YES
Chec k th e radiato r fa n circuit ,
radiato r fa n switc h circui t an d
th e radiato r fa n switch .
I t the y ar e OK , substitut e th e
PC M an d rechec k (se e pag e 11-42
fo r immobilize r information) .
I f th e symptom/indicatio n goe s
away , replac e th e origina l PCM . Refil
l th e engin e coolant . I f neces -
sary , chec k th e coolin g system .
Tes t th e thermostat .
NO
N
O
YE S
Chec k fo r th e radiato r fo r circuit :
1 . Tur n th e ignitio n switc h O N
(II).2. Chec k th e radiato r fan .
Troubleshootin g
('00 - 0 1 model ) Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1486 : Range/Performanc e Proble m in
Thermostat .
Thermostat
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PCM Interna l Circui t
— Th e MI L ha s bee n reporte d on .
— DT C P160 7 is stored .
Proble m verification :
1 . D o th e PC M Rese t Procedure .
2. Tur n th e ignitio n switc h O N (II) .3. Allo w it t o 3 seconds .
I s DT C P160 7 indicated ? Intermitten
t failure , syste m is O K
a t thi s time .
YES
Substitut e a known-goo d PC M
an d rechec k (se e pag e 11-42 fo r
immobilize r information) . I f symp -
tom/indicatio n goe s away , replac e
th e origina l PCM .
The sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1607 : A PC M Interna l Circui t Failure .
NO
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