Isuzu Ascender: Electrical System Manual - part 67

 

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Isuzu Ascender: Electrical System Manual - part 67

 

 

122
SUNROOF
Body Control Module (BCM)
Fuse Block-Rear
RAP Relay 22
Sunroof Module
Sunroof Motor
Sunroof Switch
Component Index
122-0
SUNROOF
HOT AT ALL TIMES
VENT WDO
Fuse 20
20A
FUSE
BLOCK–
REAR
Connector
C2
RAP
RELAY 22
A2
C4
A12
C3
A12
RAP
Relay
Power
BODY
CONTROL
MODULE
(BCM)
Connector
BRN/
WHT
0.35
SUNROOF
SWITCH
Connector
Open
Close
C
B
G
F
Illumination
Dash Lights
See Ground
Distribution,
page 14-6.
G302
BLK
5
BLK
0.35
BRN
0.35
ORN
0.35
PPL
DK GRN
0.8
F
RIBBON
CABLE
G302
BLK
5
BLK
1
See Ground
Distribution,
page 14-6.
B2
D2
(Not
Used)
ORN
1
C3
A
DK BLU
0.35
C305
Connector
J
H
L
BRN
0.35
ORN
0.35
DK BLU
0.35
C
E
D
WHT
LT BLU
BRN
2
1
3
C2
YEL/RED
C308
Connector
B
Sunroof
switch
open
signal
SUNROOF
MODULE
5V
Sunroof
switch
close
signal
5V
Sunroof
switch
low
reference
Battery positive
voltage
RAP fuse
supply voltage
Ground
C308
Connector
A
D
C1
G306
See Ground
Distribution,
page 14-7.
BLK/PPL
BLK
1
HOT AT ALL TIMES
SUNROOF
Fuse 28
20A
C3
E4
DK GRN
0.8
Power
Windows
A
5
C2
M
DK BLU
B
C1
Sunroof
motor
close
control
SUNROOF
MOTOR
Connector
DK GRN
C
Sunroof
motor
open
control
DK BLU/RED
1
2
DK BLU
See Ground
Distribution,
page 14-6.
Circuit Schematic
122-1
120Ć3
Power Sunroof System Components
The power sunroof system consists of the following
components:
S
Sunroof control module
S
Sunroof switch
S
Sunroof motor
S
Sunroof glass, tilt/slide style, with glass sliding
between the headliner and roof
S
Sunshade
S
Rail and track assembly upon which the sunroof
glass rides
S
Power supply for the sunroof control module:
S
Sunroof control module logic circuitry:
S
Short wheelbase: RAP supply voltage is
supplied and controlled directly from the Body
Control Module (BCM) for the Retained
Accessory Power (RAP) function.
S
Long wheelbase: VENT WDO Relay 20 A
fuse supplies the voltage through the RAP
relay, that is controlled by the BCM, for the
RAP function.
S
Ground from G302
Power Sunroof Operation
The sunroof control module has two power circuits; the
Sunroof 20 A fuse and the RAP supply voltage. The
Sunroof 20 A fuse is hot at all times suppling battery
positive voltage for the operation of the sunroof motor
control circuits. The RAP supply voltage is for the
sunroof control module logic circuitry and is controlled
from, or by the BCM, depending on the wiring
configuration. The power sunroof will operate with the
ignition switch turned to Accessory or RUN suppling
RAP supply voltage. Once the ignition switch is turned
to OFF the sunroof will continue to operate until any
door is open or when the Retained Accessory Power
(RAP) has timed out. For a description and operation of
the RAP operation, refer to Retained Accessory Power
(RAP)
Description
and
Operation
in
Retained
Accessory Power.
Use the rocker type sunroof switch to command the
sunroof to :
S
Express Open
S
Close
S
Vent
Pressing the sunroof switch rearward, the sunroof
glass will slide from:
S
Vent position to the closed position.
S
Closed position to the open position.
Pressing the sunroof switch forward, the sunroof glass
will slide from:
S
Open position to the closed position.
S
Closed position to the vent position.
Circuit Operation
SUNROOF
122-2
SUNROOF
(Refer to Section 201 for photographs.)
Component
Photo No.
Body Control Module
(BCM)
On Rear Fuse Block, under left rear seat
53
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block-Rear
Under the left rear seat
52
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RAP Relay 22
In the Rear Fuse Block
55
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunroof Module
Above the headliner, at the rear of the sunroof
56
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunroof Motor
Above the headliner, at the rear of the sunroof
56
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunroof Switch
In upper console
91
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
C305 (16-BLK)
Inside upper console
91
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C308 (6-BLK)
Above the left rear door
56
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
G302
On the lower left B-pillar
105
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G306
On body panel, left of rear door
109
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Location Index

 

 

 

 

 

 

 

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