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POWER MIRROR DEFOGGERS
Component Index
Dash Fuse Box
Engine or Powertrain Control Module (ECM or PCM)
Fuse/Relay Box
Left Power Mirror
Mirror Defogger Switch
Rear Defogger Relay
Rear Defogger Switch
Right Power Mirror
See Dash Fuse
Box, page 11-7.
See Power Distribution,
pages 10 and 10-2.
POWER MIRROR DEFOGGERS: WITH REAR DEFOGGER
Circuit Schematic
148
See Ground
Distribution,
page 14 or 14-2.
HOT IN ON
EB-19
IGN. B2
50A
WHT
2
I-39
Connector
DASH
FUSE
BOX
3
I-39
Connector
4
CB-16
(REAR
WIPER
WASHER)
10A
HOT AT ALL TIMES
Dash and
Console
Lights
Page 117
ILLUMINATION
B-7
3
I-17
Connector
9
RED/GRN
Dash and
Console
Lights
Page 117
SWITCH
UNIT B
REAR
DEFOGGER
RELAY
BLK
8
1
WHT
GRN/RED
H-32
Connector
16
BLK
BLK
BLK
ON
INDICATOR
OFF
ON
2
BLK/RED
I-17
Connector
LT GRN/BLK
GRN/YEL
D-3
Connector
1
LEFT
POWER
MIRROR
H-33
Connector
21
RIGHT
POWER
MIRROR
D-12
Connector
1
Defogger
Defogger
H-28
Connector
21
BLK
BLK
PNK/GRN
PNK/GRN
PNK/GRN
PNK/GRN
CB-9
(REAR
DEFOG.)
15A
DASH
FUSE
BOX
BLK/RED
BLK/RED
Rear
Defogger
Page 61
BLK/RED
CB-8
(MIRROR
DEFOG.)
10A
See Ground
Distribution,
page 14-1
or 14-3.
BLK
B-7
BLK
BLK
H-28
Con-
nector
22
D-3
Connector
5
BLK
BLK
BLK
H-33
Connector
22
D-12
Connector
5
1
PNK/GRN
H-31
Connector
22
PNK/GRN
See Power
Distribution,
pages 10
and 10-2.
DASH
FUSE
BOX
FUSE/
RELAY
BOX
BLK
CB-10
(REAR
DEFOG.)
15A
BLK
BLK
LT GRN/BLK
ENGINE or
POWERTRAIN
CONTROL MODULE
(ECM or PCM)
(2.2L)
(3.2L)
Solid State: Do not
check resistance.
Defogger
request
input
Defogger
relay
control
(2.2L)
E-12
(3.2L)
21
C-3
(2.2L)
E-22
(3.2L)
Connector
(2.2L)
A14
(3.2L)
44
C-1
(2.2L)
E-22
(3.2L)
Connector
H-16
Connector
20
H-16
Connector
19
YEL/GRN
RED/WHT
RED/
WHT
YEL/GRN
Momentary ON
45
46
H-4
Connector
3.2L
BLK
RED/WHT
YEL/GRN
REAR
DEFOGGER
SWITCH
POWER MIRROR DEFOGGERS: WITHOUT REAR DEFOGGER
Circuit Schematic
HOT WITH ENGINE RUNNING
DASH
FUSE
BOX
CB-8
(MIRROR
DEFOG.)
10A
D-3
Connector
1
LEFT
POWER
MIRROR
H-33
Connector
21
RIGHT
POWER
MIRROR
D-12
Connector
H-28
Connector
21
BLK
BLK
PNK/GRN
PNK/GRN
PNK/GRN
PNK/GRN
See Ground
Distribution,
page 14-1
or 14-3.
BLK
B-7
BLK
H-28
Connector
22
D-3
Connector
5
BLK
BLK
BLK
H-33
Connector
22
D-12
Connector
5
PNK/GRN
H-31
Connector
22
PNK/GRN
BLK
BLK
See Ground
Distribution,
page 14-1
or 14-3.
PNK/BLK
148-1
BLK
BLK
BLK
See Ground
Distribution,
page 14-1.
BLK
BLK
1
I-12
Connector
See
Power
Mirrors
Mirror
Defogger
Switch
MIRROR
CONTROL
SWITCH
I-8
Connector
1
I-8
Connector
2
BLK
WHT
H-32
Connector
14
BLK
ON
Indicator
OFF
ON
1
148-2
POWER MIRROR DEFOGGERS
Circuit Operation
With Rear Defogger
Voltage is applied at all times through the EB-19 IGN.
B2 fuse, to the rear window defogger relay coil. With the
starter switch in ON, voltage is applied through the
CB-16 (REAR WIPER WASHER) fuse to the rear win-
dow defogger relay contacts.
When the rear window defogger switch is depressed,
the ECM or PCM receives a ground input from the
switch and, in turn, the ECM or PCM provides ground to
the coils of the rear window defogger relay. The
contacts close, applying ignition voltage to the rear
window defogger, rear window defogger indicator light
(through the CB-9 & CB-10 (REAR DEFOG.) fuses),
and the left and right power mirror defoggers (through
the CB-8 (MIRROR DEFOG.) fuse). The ECM or PCM
acts as the timer for the rear window defogger relay and
keeps the contacts closed, maintaining the operation of
the rear window defogger, left and right mirror
defoggers and indicator light for 10 minutes or until the
ignition is turned to “ACC” or “OFF”, or the rear window
defogger switch is depressed again. The rear window
and mirrors heat to remove any fog from the glass and
the indicator stays on to remind the driver that it is in
use.
Without Rear Defogger
With the starter switch in ON, voltage is applied through
the CB-8 (MIRROR DEFOG.) fuse to the mirror
defogger switch. When you press the mirror defogger
switch to the ON position, ignition voltage is applied to
the left and right power mirror defoggers and the
defogger indicator light. The mirrors heat to remove any
fog from the glass and the indicator comes on to remind
the driver that it is in use.
Component Location Index
(Refer to Section 201 for photographs.)
Component
Photo No.
Dash Fuse Box
Left side of I/P, behind panel
58
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine or Powertrain Control
Module (ECM or PCM)
(2.2L)
Left side of engine compartment
44
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Control Module
(ECM) (3.2L)
Below center of I/P
73
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse/Relay Box
Right side of engine compartment, on inner fender panel
14
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
Rear Defogger Relay
Left side of I/P, in dash fuse box
59
. . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
D-3 (8-WHT)
Top front of left front door
87
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-12 (8-WHT)
Top front of right front door
87
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-4 (52-GRY)
Left side of engine compartment
27
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-16 (22-BLK)
Behind left kick panel
62
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-28 (22-WHT)
Above left kick panel, in door grommet
112
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-31 (22-WHT)
Behind left kick panel
63
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-32 (16-WHT)
Behind left kick panel
62
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-33 (22-WHT)
Above right kick panel, in door grommet
112
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
B-7
Below center console
81
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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