1996 ACURA RL KA9 Service Repair Manual

Fan Control s
Componen t Locatio n Inde x
RADIATO R FA N RELA Y
Wir e colors : BLK/YEL , YEL ,
L T GRN/BL K an d BL U FA
N CONTRO L
MODUL E
CONDENSE R FA N RELA Y
Wir e colors : BLK/YEL ,
WHT , BL U an d BLU/OR N
RADIATO R FA N
MAI N RELA Y
Wir e colors : BLK/YEL , RED ,
L T GRN/BLK , BL K an d BL U
RADIATO R FA N
RADIATOR FA N
CONTRO L SENSO R
Testing , pag e 10-1 4
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Fan Controls

Troubleshooting

NOTE: The numbers in the table show the troubleshooting sequence.

G301

G302

G301

G302

G402

G402

Fan Control Module Terminals

FAN CONTROL

MODULE
Terminal Wire
Connects to

1

2

3

4

5

6

7

8

9

10

11

12
GRN/RED

BLK

RED/WHT

LT GRN/BLK

GRN/BLK

BLK/YEL

PNK

BLU/ORN

BLU/GRN
A/C pressure switch

Not used

Ground

A/C pressure switch

Radiator fan relay (Coil )

Radiator fan control sensor

IG2 (Main power supply)

PCM

Not used

Condenser fan relay (Coil )

Not used

Radiator fan control sensor
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Fan Moto r Testin g
1. Disconnec t th e 2 P connector .
RADIATOR FA N MOTO R
TERMINA L SID E O F
MAL E TERMINAL S
2. Tes t th e moto r b y connectin g batter y powe r t o th e
No . 2 termina l an d groun d t o th e No . 1 terminal .
3 . I f th e moto r fail s t o ru n o r doe s no t ru n smoothly ,
replac e it .
Radiato r Fa n Contro l Senso r
Testin g
Removin g th e radiato r fa n contro l senso r
whil e th e engin e i s ho t ca n caus e th e coolan t t o spra y
out , seriousl y scaldin g you . Alway s le t th e engin e an d
radiato r coo l dow n befor e removin g th e radiato r fa n
contro l sensor .
NOTE : Blee d ai r fro m th e coolin g syste m afte r installin g
th e radiato r fa n contro l senso r (se e pag e 10-5 ).
1 . Remov e th e radiato r fa n contro l senso r fro m th e
radiato r (se e pag e 10-2 ).
2 . Suspen d th e radiato r fa n contro l senso r i n a con -
taine r o f wate r a s shown .
THERMOMETE R RADIATO
R FA N
CONTRO L SENSO R
WATER
3. Hea t th e water , an d chec k th e temperatur e wit h a
thermometer .
CAUTION : D o no t le t th e thermomete r touc h th e
botto m o f th e ho t container .
4 . Measur e th e resistanc e betwee n th e A an d B termi -
nal s accordin g t o th e table .
Temperatur e
Resistance ( K ) 183°
F (84°C )
1.047-1.25 4
194°F (90°C )
0.872-1.02 4
5 . I f yo u don' t ge t th e abov e readings , replac e th e
radiato r fa n contro l sensor .
NOTE : Clea n th e senso r afte r testing .
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