ACURA RL KA9 1996 Service Repair Manual

Starting Syste m
Armatur e Inspectio n an d Tes t
1. Inspec t th e armatur e fo r wea r o r damag e du e to con -
tact wit h th e permanen t magnet . I f ther e i s wea r o r
damage , replac e th e armature .
Inspect fo r damag e
2. Chec k commutato r surfac e an d diameter .
I f th e surfac e is dirt y o r burnt , resurfac e wit h emer y
clot h o r a lath e withi n th e followin g specifications ,
o r reconditio n wit h #50 0 o r #60 0 sandpaper .
COMMUTATO R
SANDPAPE R
If commutato r diamete r i s belo w th e servic e limit ,
replac e th e armature .
Commutato r Diamete r
Standard (NEW )
31.9-32. 1 m m
(1.25 6 -1.26 4 in )
Servic e Limi t
31.5 mm
(1.24 0 in )
VERNIE R CALIPE R
COMMUTATO R
3. Measur e th e commutato r runout .
I f th e commutato r runou t i s withi n th e servic e
limit , chec k th e commutato r fo r carbo n dus t o r
bras s chip s betwee n th e segments .
If th e commutato r runou t i s no t withi n th e ser -
vice limit , replac e th e armature .
Commutato r Runou t
Standar d (NEW )
0-0.05 m m
(0-0.00 2 in ) Servic
e Limi t
0.1 m m
(0.00 4 in )
DIA L INDICATO R
COMMUTATO R
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4.

Check for mica depth. If necessary, undercut the mica

with a hacksaw blade to achieve proper depth. If the

service limit cannot be maintained, replace the arma-

ture.

NO-GOOD

GOOD

MICA DEPTH

Commutator Mica Depth

Standard (NEW)

0.5-0.8 mm

(0.020-0.031 in)
Service Limit

0.20
mm

(0.008 in)

5.
Check for continuity between the segments of the

commutator. If an open circuit exists between any

segments, replace the armature.

COMMUTATOR SEGMENT
6.
Place the armature on an armature tester. Hold a

hacksaw blade on the armature core. If the blade is

attracted to the core or vibrates while the core is

turned, the armature is shorted. Replace the arma-

ture.

ARMATURE TESTER

HACKSAW BLADE

ARMATURE

7. With an ohmmeter, check that no continuity exists

between the commutator and armature coil core,

and between the commutator and armature shaft. If

there is continuity, replace the armature.

SHAFT
COIL CORE

COMMUTATOR
HIGH

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Starting Syste m
Starte r Brus h Holde r Tes t
1.Chec k tha t ther e is n o continuit y betwee n th e an d
brush holders . I f ther e i s continuity , replac e th e
brus h holde r assembly .
BRUSH HOLDE R
BRUSH HOLDE RBRUSH HOLDE R
2.Inser t th e brus h int o th e brus h holder , an d brin g th e
brus h int o contac t wit h th e commutator , the n attac h
a sprin g scal e to th e spring . Measur e th e sprin g ten -
sio n a t th e momen t th e sprin g lift s of f th e brush .
SPRIN G SCAL E(Commerciall y available )
SPRING
BRUSH
Spring Tensio n
29. 1 - 37. 8 N (2.9 7 - 3.8 5 kgf , 6.54 8 - 8.48 8 Ibf )
Starte r Brus h Inspectio n
Measure th e brus h length . I f th e lengt h no t withi n th e
servic e
limit, replac e the brus h holde r assembly .
Brush Lengt h
Standar d (NEW )
18 m m
(0.7 1 in)
Servic e Limi t
10 m m
(0.3 9 in)
BRUS H
NOTE : T o sea t ne w brushe s afte r installin g the m in thei r
holders , sli p a stri p o f #50 0 o r #60 0 sandpaper , wit h th e
gri t sid e up , ove r th e commutator , an d smoothl y rotat e
th e armature . Th e contac t surfac e o f th e brushe s wil l b e
sande d to th e sam e contou r a s th e commutator .
BRUSH HOLDE R
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Planetary Gear Inspection

Check if the planetary gears are worn or damaged. If they

are, also check the condition of the armature shaft gear

and ring gear.

ARMATURE

SHAFT GEAR
RING

GEAR

PLANETARY GEARS
Overrunning Clutch Inspection

Slide the overrunning clutch along the shaft.

Does it move freely? If not, replace it.
1.

2.
Rotate the overrunning clutch both ways.

Does it lock in one direction and rotate smoothly in

reverse? If it does not lock in either direction or it

locks in both directions, replace it.

SHAFT

3.

4.
DRIVE GEAR

If the starter drive gear is worn or damaged, replace

the overrunning clutch assembly; the gear is not avail-

able separately.

Check the condition of the torque converter ring gear

if the starter drive gear teeth are damaged.ProCarManuals.com

Starting Syste m
Overrunnin g Clutc h Remova l
1. Pu t th e en d o f a pip e (inne r diamete r 1 3 m m (0.5 1 in) )
agains t th e pinio n stop , an d strik e th e pip e t o forc e
the pinio n sto p ove r th e sprin g clip .
A: 1 3 m m (0.5 1 in)
PINIO N STO P
PIPE
SPRIN G CLI P
PLANETAR Y GEA R SHAF T
NOTE: B e carefu l no t t o damag e th e planetar y gea r
shaft whe n strikin g th e pipe .
2. Remov e th e sprin g cli p the n pul l th e pinio n sto p
and overrunnin g clutc h of f th e shaft .
SPRIN G CLI P
PINIO N STO P
Starte r Reassembl y
NOTE: Us e th e illustratio n o n pag e 4- 8 a s referenc e fo r
reassembly .
1 . Pr y bac k eac h brus h sprin g wit h a screwdriver , the n
positio n th e brus h abou t halfwa y ou t o f it s holder ,
an d releas e th e sprin g t o hol d i t there .
2 . Instal l th e armatur e i n th e housing . Nex t pr y bac k
eac h brus h sprin g agai n an d pus h th e brus h dow n
unti l i t seat s agains t th e commutator , the n releas e
th e sprin g agains t th e en d o f th e brush .
3 . Instal l th e en d cove r o n th e brus h holder .
END COVE R
BRUSH HOLDE R
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Performance Tes t
NOTE : Befor e startin g th e followin g checks , disconnec t
th e wir e fro m termina l M , an d mak e a connectio n a s
describe d belo w usin g a s heav y a wir e a s possibl e (prefer -
abl y equivalen t t o th e wir e use d in th e vehicle) .
Pull-i n Coi l Test :
Connec t th e batter y a s shown . I f th e starte r pinio n pop s
out , i t i s workin g properly .
CAUTION : D o no t leav e th e batter y connecte d fo r mor e
tha n 1 0 seconds .
Disconnec t th e wire .
Hold-i n Coi l Test :
Disconnec t th e batter y fro m th e M terminal . I f th e pinio n
doe s no t retract , th e hold-i n coi l i s workin g properly .
CAUTION : D o no t leav e th e batter y connecte d fo r mor e
tha n 1 0 seconds . Retractin
g Test :
Disconnec t th e batter y als o fro m th e body . I f th e pinio n
retract s immediately , i t i s workin g properly .
CAUTION : D o no t leav e th e batter y connecte d fo r mor e
tha n 1 0 seconds .
NOTE : Th e PC M memor y mus t b e rese t afte r reconnect -
in g th e batter y (se e pag e 11-125 ).
Starte r No-loa d Test :
1. Clam p th e starte r firml y in a vise .
2. Connec t th e starte r t o th e batter y a s show n i n th e
diagra m below , an d confir m tha t th e moto r start s
an d keep s rotating .
3 . I f th e electri c curren t an d moto r spee d mee t th e
specification s whe n th e batter y voltag e i s a t 1 1 V ,
th e starte r i s workin g properly .
Specifications :
145 A or les s curren t dra w
3,30 0 rp m o r mor e rp m
BOD Y(GROUND )
BODY(GROUND )
BATTERY
STARTER
BATTER Y
BODY(GROUND )
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Ignition Syste m
Componen t Locatio n Inde x
IGNITIO N COIL STest, pag e 4-2 1
SPAR K PLUG S
Inspection , pag e 4-2 2
NOIS E CONDENSE R
Test , pag e 4-1 9
IGNITION CONTRO L MODUL E (ICM )
Input Test , pag e 4-2 0
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Ignition Syste m
Ignition Timin g Inspectio n
SRS component s ar e locate d in thi s area . Revie w th e SR S
componen t locations , precautions , an d procedure s i n th e
SR S (sectio n 24 ) befor e performin g repair s o r service .
1 . Star t th e engine . Hol d th e engin e a t 3,00 0 rp m wit h
no loa d (shif t leve r i n o r position ) unti l th e
radiato r fa n come s on , the n le t i t idle .
2 . Pul l ou t th e servic e chec k connecto r locate d unde r
th e glov e box . Connec t th e GRN/BL K an d RE D wir e
terminal s wit h th e specia l tool .
SERVIC E CHEC K CONNECTO R (2P )
NOTE : Locate d unde r th e glov e bo x
SC S SERVIC E CONNECTO R
(07PAZ-0010100 )
3. Chec k th e idl e spee d (se e pag e 4-19 ).
4 . Remov e th e engin e cove r (se e sectio n 5 ).
5 . Connec t a timin g ligh t t o th e No . 1 ignitio n coi l wires ;
while th e engin e idles , poin t th e timin g ligh t towar d
the pointe r o n th e timin g bel t cover .
No. 1 IGNITIO NCOIL WIRE S
TIMING LIGH T
CRANKSHAF T PULLE Y
6. Inspec t ignitio n timin g a t idl e speed .
Ignitio n Timing :
1 5 ± 2° BTD C (RED ) a t 65 0 ± 5 0 rp m wit h shif t leve r
in o r positio n an d electrica l system s turne d
off.
WHIT E MAR K
POINTER
CRANKSHAF T PULLE Y
RED MAR K
7. I f th e ignitio n timin g i s incorrect , replac e th e PC M
(ther e i s n o wa y t o adjus t ignitio n timing) .
8 . Disconnec t th e specia l too l fro m th e servic e chec k
connecto r (2P) .
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Idle Spee d Chec k
1. Star t th e engine . Hol d th e engin e a t 3,00 0 rp m wit h
no loa d (shif t leve r i n o r ) unti l th e radiato r fa n
come s on , the n le t i t idle .
2 . Connec t a tachomete r t o th e tes t tachomete r connec -
tor.
TES T TACHOMETE R CONNECTO R
BATTERY
Idle speed : 65 0 ± 50 rp m wit h shif t leve r i n positio n
or an d electrica l system s turne d off .
3 . Adjus t th e idl e spee d if necessar y (se e sectio n 11 ).
Nois e Condense r Capacit y Tes t
1. Us e a commerciall y availabl e condense r tester . Con -
nec t th e condense r teste r probes , an d measur e th e
condense r capacity .
Condense r capacity : 0.4 7 ± 0.0 9 microfarad s ( F )
POSITIV E TERMINA L
BOD Y GROUN D
(Negative )
NOTE: Th e nois e condense r i s intende d t o reduc e
ignitio n noise . However , condense r failur e ma y caus e
th e engin e t o sto p running .
2 . I f no t withi n th e specifications , replac e th e nois e con -
denser .CLIP
TACHOMETE R
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Ignition Syste m
Ignition Contro l Modul e (ICM ) Inpu t Tes t
NOTE : Se e sectio n 1 1 i f th e malfunctio n indicator lamp (MIL ) blinks . Disconnec t th e 8 P connecto r fro m th e ignitio n contro l
modul e (ICM) . Inspec t th e connecto r an d socke t terminal s t o b e sur e the y ar e al l makin g goo d contact .
I f an y terminal s ar e bent , loos e o r corroded , repai r the m a s necessary , an d rechec k th e system .
I f th e terminal s loo k OK , mak e th e followin g inpu t test s a t th e connector .
— If an y tes t indicate s a problem , fin d an d correc t th e cause , the n rechec k th e system .
— If al l th e inpu t test s prov e OK , th e IC M mus t b e faulty ; replac e it .
Wir e sid e o ffemal e terminal s
ICM
8P CONNECTO R
TrmlWire Tes
t conditio n Test: Desire d resul t Possibl
e caus e if resul t i s no t obtaine d
2
7
4
3
1
8
6
5
BLK3
BLK4
WHT1
WHT/GR N
WHT/BLK
WHT/BLU
RED/GR N
WHT/RED
Under al l
condition s
Ignitio n switc h O N
(ID
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r voltag e t o ground :
Ther e shoul d b e batter y
voltage . •
Poo r groun d (G151 )
• A n ope n in th e wir e
• Blow n 3 0 A fus e in th e under-das h
fuse/rela y bo x
• Fault y ignitio n coi l
• A n ope n i n th e wir e
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