Isuzu Axiom: Electrical System Manual - part 58

 

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Isuzu Axiom: Electrical System Manual - part 58

 

 

147
SEAT HEATER
HOT IN ON
EB-4
SEAT
HEATER
15A
DRIVER’S
SEAT
CUSHION
3
WHT/RED
WHT
See Ground
Distribution,
page 14-1.
5
GRY
4
LOW
BLK
BLK
B-9
DRIVER’S
SEAT
HEATER
SWITCH
DRIVER’S
SEAT
BACK
GRY/BLU
5
B-12
Connector
6
T-15
2
T-13
2
B-12
Connector
3
RED/BLU
BLK
LOW
RED/BLU
FUSE/
RELAY
BOX
BLK
ON
INDICATORS
ILLUMINATION
HI
LOW
T-13
1
BLK
B-18
Connector
4
H-8
Connector
3
RED/BLU
RED/BLU
GRN/RED
1
2
RED/GRN
Dash and
Console Lamps
Page 117
HI
HI
T-15
1
WHT
ORN
GRY
GRY
BLK
BLK
B-18
Connector
6
RED/WHT
BLK
Dash and
Console Lamps
Page 117
Circuit Schematic
147-1
SEAT HEATER
RIGHT
FRONT
SEAT
HEATER
SWITCH
B-11
Connector
RED/BLU
B-11
Connector
3
LOW
LOW
ON
INDICATORS
ILLUMINATION
HI
LOW
HI
HI
RIGHT
FRONT
SEAT
CUSHION
5
GRN/WHT
4
BLK
RIGHT
FRONT
SEAT
BACK
GRN/BLK
5
6
T-16
2
T-14
2
T-14
1
B-13
Connector
4
GRN/RED
1
2
RED/GRN
WHT/RED
WHT
WHT
ORN
3
T-16
1
GRY
GRY
B-13
Connector
6
BLK
BLK
BLK
RED/WHT
Dash and
Console Lamps
Page 117
Dash and
Console Lamps
Page 117
Circuit Schematic
147-2
SEAT HEATER
(Refer to Section 201 for photographs.)
Component
Photo No.
Fuse/Relay Box
Right side of engine compartment
8
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
B-13 (6-WHT)
Under passenger seat
116
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-18 (6-WHT)
Under driver’s seat
116
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-8 (20-BLU)
Behind right kick panel
47
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T-13 (2-NAT)
Under driver’s seat
115
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T-14 (2-NAT)
Under front passenger’s seat
115
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T-15 (2-WHT)
Under driver’s seat
115
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T-16 (2-WHT)
Under front passenger’s seat
115
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
B-9
Under center console
71
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Operation
When the starter switch is in ON, fuse EB-4 SEAT
HEATER applies battery voltage to the driver’s and
right front seat heater switches.
Heat Operation
When the driver’s or right front seat heater switch is
moved to HIGH, battery voltage is applied through the
circuit breakers in the respective seat cushion to both
the seat cushion and seat back heating elements. The
seat back is grounded through the seat heater switch to
B-9. With battery voltage applied to the heating ele-
ments in this manner, they draw the maximum current
causing them to heat up quickly and to a high tempera-
ture. When the temperature becomes too high the cir-
cuit breakers in the seat cushion open, removing the
voltage to the circuit. When the temperature falls to a
safe temperature, the circuit breakers close, supplying
voltage to the circuit.
Keep Operation
When the driver’s or right front seat heater switch is
moved to LOW, battery voltage is applied through the
respective seat cushion heating element to the re-
spective seat cushion heating element. The respec-
tive seat cushion is grounded through the seat back
element. With battery voltage applied to the heating
elements in this manner, they draw less current, and
do not reach as high of a temperature as in the HEAT
position.
Component Location Index
POWER MIRROR DEFOGGERS
Component Index
Dash Fuse Box
Fuse/Relay Box
Powertrain Control Module (PCM)
Rear Defogger Relay

 

 

 

 

 

 

 

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