Acura RL (1996-2004 year). Manual — part 75
91-2
Wiper/Washer
WIPER
30A
YEL
BLU/YEL
WINDSHIELD
WIPER
MOTOR
RELAY
UNDER-HOOD
RELAY BOX C
4
C317
PARK
RUN
5
2
1
3
WHT
WINDSHIELD
WIPER
INTERMITTENT
RELAY
3
1
4
5
GRN/BLK
UNDER-HOOD
RELAY BOX A
See Ground
Distribution,
page 14-7.
UNDER-HOOD
FUSE/RELAY
BOX
GRN/BLK
GRN/BLK
5
C317
3
G302
See Ground
Distribution,
pages 14-6
and 14-7.
G301
GRN/RED
18
B
5
C330
6
A
BLU/WHT
BLU/WHT
BLK
BLK
15
C325
WHT
18
C325
GRN/RED
BLU/WHT
BLU/WHT
2
Intermittent
wiper
control
Park
input
BLK
BLK
6
C307
’99-’04
METER
SUN ROOF
7.5A
UNDER-
DASH
FUSE/
RELAY
BOX
2
YEL
See Power
Distribution,
page 10-10.
To page 91-3.
GRN/BLK
GRN/BLK
C331
See Power
Distribution,
page 10-10.
HOT AT ALL TIMES
HOT IN ON OR START
2004 American Honda Motor Co., Inc.
+
–
91-3
Wiper/Washer
’99-’04
See Ground
Distribution,
page 14-7.
From page
91-2.
M
WINDSHIELD
WIPER
MOTOR
HIGH
LOW
C317
2
BLU
BLU
4
BLU
1
BLU/YEL
BLU/YEL
5
BLU/YEL
OFF
Wiper
Switch
Mist
Switch
Washer
Switch
WINDSHIELD
WIPER/
WASHER
SWITCH
INT
LO
HI
OFF
WASH
Intermittent
Dwell Time
Controller
OFF
INT
LO
HI
OFF
INT
LO
HI
OFF
MIST
OFF
MIST
3
C429
5
BLU
4
BLU/YEL
C324
2
8
GRN/WHT
GRN/YEL
11
GRN
GRN
UNDER-DASH
FUSE/RELAY
BOX
12
WHT
WHT
10
BLK
BLK
13
BLK/WHT
BLK/WHT
6
5
20
C429
B
M
BLK/WHT
3
C327
BLK/WHT
BLK/WHT
1
2
WINDSHIELD
WASHER
MOTOR
G302
G401
See Ground
Distribution,
page 14-11.
DRIVER’S MULTIPLEX
CONTROL UNIT
GRN/WHT
GRN/YEL
Intermittent
wiper ON
input
Windshield
washer
ON input
Intermittent
dwell time
controller
input
GRN/BLK
3
4
7
BLK
2
5
8
1
1
2
BLK
WHT
C10
1
C326
GRN/BLK
GRN/BLK
2004 American Honda Motor Co., Inc.
91-4
Wiper/Washer
See Power
Distribution,
page 10-18.
BLU/
WHT
See Brake System
Indicator Light,
page 71, 71-1, or 71-2.
BLK/BLU
YEL
GRN/WHT
All Models
STOP HORN
15A (
*
)
20A (
**
)
5
C301
G402
WHT/YEL
3
UNDER-
HOOD
FUSE/
RELAY
BOX
METER (
*)
METER SUN ROOF (
**
)
7.5A
See Power
Distribution,
page 10-10.
8
See Power
Distribution,
page 10-10.
YEL
14
A
UNDER-
DASH FUSE/
RELAY
BOX
BRAKE PEDAL
POSITION SWITCH
Closed with brake
pedal pressed.
PARKING BRAKE
SWITCH
Closed with parking
brake applied.
1
2
D3
D4
P
R
N
A/T GEAR
POSITION
SWITCH
4
GRN/WHT
See Automatic
Transmission
Controls
GRN/WHT
12
B
8
(
***
4)
C410
See A/T Gear
Position Indicator
13
A
10
PNK/
BLU
10
GRN/WHT
GRN/WHT
9
RED/
YEL
22
22
BRN/
WHT
9
B
DRIVER’S
MULTIPLEX
CONTROL
UNIT
UNDER-DASH
FUSE/RELAY
BOX
3
BLK
2
A
BLK
2
GRN/RED
)
(Canada GRN/WHT)
16
C
1
C470
8
C470
See Ground
Distribution,
page 14-12.
BLK
See Ground
Distribution,
page 14-4
or 14-8.
4
C406
BLK
8
A
See Ground
Distribution,
page 14-4
or 14-8.
See Vehicle
Speed
Sensor
7
C402
4
GRN/RED
)
(Canada GRN/WHT)
See Vehicle
Speed Sensor
(VSS)
PASSENGER’S
MULTIPLEX
CONTROL
UNIT
See Ground
Distribution,
page 14-12.
G402
G401 (*)
G251 (**)
WHT/YEL
GRN/WHT
GRN/WHT
C464
(Terminals 14-16)
C448
(Terminals 14-16)
BLK
BLK
BLK
BLK
BLK/BLU
BLK/BLU
BLK/BLU
Brake
switch
input
Wakeup A-D
line
D-A
line
Brake/
park
input
Park
position
input
VSS
input
Ground
Ignition input
Wakeup
A-D
line
D-A
line
Ground
Ignition
input
*
= ’96-’98
**
= ’99-’04
***
= ’02-’04 USA
HOT AT ALL TIMES
HOT IN ON OR START
C404
2004 American Honda Motor Co., Inc.
▼
▼
+
–
91-5
Wiper/Washer
How the Circuit Works
Low Speed
With the ignition switch in ON (II) or START (III),
battery voltage is applied to the windshield wiper
motor through the windshield wiper motor relay.
When you move the wiper switch to LO, the low
speed winding of the motor is grounded through the
low contact of the wiper/washer switch, and the
wipers run at low speed.
Park/Off
When you turn off the wiper switch, ground is
provided for the low speed winding of the
windshield wiper motor. The ground is provided
through the wiper switch, intermittent wiper relay,
and the cam switch on the motor to G301. The
wipers run at low speed until the cam switch on the
motor moves to PARK, removing the ground. The
wipers then stop in the park position.
High Speed
When you move the wiper switch to HI, the high
speed windings of the windshield wiper motor are
grounded through the HI contact of the wiper/
washer switch, and the wipers run at high speed.
Intermittent
’96-’98:
When you move the wiper switch to INT, battery
voltage is applied through fuse 23 through the
windshield wiper/washer switch to the driver’s
multiplex control unit which energizes the
windshield wiper intermittent relay by applying a
ground signal to the relay coil.
’99-’04:
The contacts of the windshield wiper motor relay
are closed with the ignition switch in ON (II) or
START (III). When you move the wiper switch to
INT, battery voltage is applied through fuse 58
through the windshield wiper/washer switch to the
driver’s multiplex control unit which energizes the
windshield wiper intermittent relay by applying a
ground signal to the relay coil.
The wiper sweep time interval is controlled by
vehicle speed and the resistance of the intermittent
dwell time controller. The resistance of the controller
varies from 0 to 30k ohm. The vehicle speed sensor
sends a signal directly to the driver’s multiplex
control unit. Vehicle speed will determine the rate of
the wiper cycle. If you set the intermittent time to the
shortest delay, the wipers will change from
intermittent to low speed operation at a driving
speed above 20km/h (12 mph).
Mist
When you push the wiper/washer lever down and
hold it, the high speed winding of the windshield
wiper motor is grounded through the MIST contact
in the wiper/washer switch. The wipers sweep at
high speed until the lever is released. The
PARK/OFF function then takes over and the wipers
stop in the PARK position.
Washer
When you pull the wiper/washer lever toward you,
battery voltage is applied to the windshield washer
motor and the driver’s multiplex control unit. The
driver’s multiplex control unit grounds the coil of the
intermittent wiper relay. The relay, in turn, provides
ground to the low speed windings of the wiper
motor. The washer motor pumps washer fluid onto
the windshield and the wipers run at low speed until
you release the lever. The wipers make one more
sweep after the lever is released.
Refer to the Service Manual (Section 23, Electrical)
for testing and troubleshooting procedures.
2004 American Honda Motor Co., Inc.
▲
▼
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