1996 ACURA RL KA9 Service Repair Manual

(From pag e 11-62 )
Chec k th e ignitio n syste m wir e
harness :Check th e followin g wires :
• betwee n th e PC M an d IC M
• betwee n th e ignitio n coi l an dICM• betwee n th e ignitio n coi l an dbatter y• betwee n th e ignitio n coi l an dspar k plu g voltag e detectio nmodule
(se e Electrica l Connection s an d
sectio n 4 )
Ar e th e wire s OK ?
YES
Chec k fo r IC M malfunction :
Substitut e a known-goo d IC M
and recheck .
Does misfir e occur ? Repai
r shor t o r ope n in th e wire .
Replac e th e ICM .
Chec k th e followin g item s
— Cylinde r leak-dow n
— Compressio n
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PGM-FI Syste m
Crankshaf t Position/Camshaf t Positio n (CKP/CMP ) (Crankshaf t
Position/Cylinde r Positio n (CKP/CYP) ) Senso r
The HD S o r th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P0345 : A malfunctio n i n th e circui t o f th e
Crankshaf t Positio n (CKP ) senso r 1 .
Th e HD S o r th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P0349 : A n intermitten t interruptio n proble m of
th e Crankshaf t Positio n (CKP ) senso r 1 .
Th e HD S o r th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P0390 : A malfunctio n in th e circui t o f th e Camshaf t
Positio n (CMP ) (Cylinde r Positio n (CYP) ) senso r 1 .
Th e HD S o r th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P0394 : A n intermitten t interruptio n proble m
o f th e Camshaf t Positio n (CMP ) (Cylinde r Positio n (CYP) ) senso r 1 .
Th e HD S o r 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 .
I Th e HD S o r 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 HD S o r th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1386 : A n intermitten t interruptio n proble m
o f th e Camshaf t Positio n (CMP ) (Cylinde r Positio n (CYP) ) senso r 2 .
Th e HD S o r th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P1387 : A malfunctio n i n th e circui t o f th e
Camshaf t Positio n (CMP ) (Cylinde r Positio n (CYP) ) senso r 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 CM P (CYP ) 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/CM P
(CKP/CYP ) 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 P0345 , P0349 , P0390 ,P0394, P1336 , P1337 , P138 6
and/o r P138 7 ar e stored .
Proble m verification :
1. D o th e PC M Rese t Procedure .2. Star t th e engine .
Check fo r a n ope n i n th e CKP /CMP (CKP/CYP ) sensor :1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e CKP/CM P(CKP/CYP) 8 P connector .3. Measur e resistanc e betwee nthe terminal s o f th e indicate dsensor (se e table) .
Is ther e 65 0 - 85 0 fl ?
YE S
Chec k fo r a shor t i n th e CKP /CMP (CKP/CYP ) sensor :Check fo r continuit y t o bod ygroun d o n bot h terminal s o f th eindicate d sensor .
CKP PICK-U PCOIL 2
CM P (CYP ) PICK-U PCOIL 1
N O
Intermitten t failure , syste m is O Kat thi s time . Chec k fo r poo r con -nection s o r loos e terminal s a tC251 , C25 5 (locate d a t righ t shoc ktower) , C13 0 (CKP/CM P (CKP /CYP)) senso r an d PCM .
Replac e th e CKP/CM P (CKP/CYP )sensor (se e sectio n 6) .
CK P PICK-U PCOIL1
CMP (CYP ) PICK-U PCOIL 2
CKP/CM P (CKP/CYP ) SENSO R 8 P CONNECTO R
(To pag e 11-65 )Termina l sid e o f mal e terminal s
Is DT C P0345 , P0349 , P0390 , P0394 ,P1336, P1337 , P138 6 and/o r P138 7indicated ?
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(From pag e 11-64 )
Is ther e continuity ?
NO
Chec k fo r a n ope n i n th e wire s
(CKP/CM P (CKP/CYP ) lines) :
1 . Reconnec t th e CKP/CM P (CKP /
CYP ) 8 P senso r connector .
2 . Disconnec t th e PC M connec -
to r 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
(se e table) .
I s ther e 65 0 - 85 0 Ohms ?
YES
Chec k fo r a shor t i n th e wire s
(CKP/CM P (CKP/CYP ) lines) :
Chec k 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
Substitut e a known-goo d PC M
an d recheck . I f symptom/indica -
tio n goe s away , replac e th e origi -
nal PCM .
Replac e th e CKP/CM P (CKP/CYP )
senso r (se e sectio n 6) .
Repai r ope n in th e indicate d sen -
so r wire s (se e table) .
Repai r shor t t o bod y groun d i n
th e indicate d senso r wire s (se e
table) .
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PGM-FI System

PCM Internal Circuit

The HDS or the scan tool indicates Diagnostic Trouble Code (DTC) P0607: A PCM Internal Circuit Failure.

— The MIL has been reported on.

— DTC P0607 is stored.

Problem verification:

1. Do the PCM Reset Procedure.

2. Turn the ignition switch ON (II).

3. Allow it to 3 seconds.

Is DTC P0607 indicated?

YES
Intermittent failure, system is OK

at this time.

Substitute a known-good PCM

and recheck. If symptom/indica-

tion goes away, replace the origi-

nal
PCM.

11-66ProCarManuals.com