Isuzu N-Series. Service manual — part 1132
8-240 CAB AND CHASSIS ELECTRICAL
Removal and Installation
Refer to Section 2 “CAB AND FRAME” for “DOOR
LOCK ASSEMBLY”.
N8A5267E
CAB AND CHASSIS ELECTRICAL 8-241
Power Window
General Description
The circuit consists of the starter switch, power window switch for each of the windows and power window motor.
When the starter switch is turned on, the battery voltage is applied to each of the power window switches through the
circuit breaker and the power window relay on the circuit.
By operating the switches of each window to select “UP” or “DOWN”, the revolving direction of the power window
motor changes to open or close the window.
The driver’s power window switch has a built-in one-touch operating circuit which allows to automatically open the
window by operating the switch to the AUTO position.
When the driver’s power lock switch at the driver side is depressed, the power source to the passenger’s power win-
dow switches will be shut off and passenger’s side power window motor will not operate if the switch is operated.
Operation of Passenger Side Window
Notice:
Arrow marks indicate the direction of current.
N8A5268E
8-242 CAB AND CHASSIS ELECTRICAL
Parts Location
N8A5269E
CAB AND CHASSIS ELECTRICAL 8-243
Circuit Diagram
For 12 Volt
X-7
B-67
H-2
H-11
H-11
D-3
H-11
D-3
D-3
H-11
X-7
X-7
X-7
H-2
H-2
D-3
D-7
D-7
D-7
D-7
D-7
D-6
D-6
D-2
D-2
D-3
D-3
B
OFF
ON
ACC
ST
B-7
B-67
FL-1
100A
MAIN
STARTER SWITCH
P-1
P-2
P-5
8W
3W/B
F-26
30A
F-16 10A
METER
3B/Y
0.5B/Y
2B/L
2L/B
1.25L/B
2L/B
2B
0.5B
POWER WINDOW SWITCH (DRIVER)
WINDOW LOCK SWITCH
WINDOW SWITCH (DRIVER)
WINDOW
SWITCH
(PASSENGER)
AUTO CIRCUIT
1.25L/B
1.25L/Y
1.25BR/Y
1.25L
1.25L/W
POWER WINDOW MOTOR
(PASSENGER)
UP
DOWN
UP
DOWN
UP
DOWN
FL
DOWN
UP
DOWN
POWER WINDOW SWITCH (PASSENGER)
1.25G/Y
1.25R/Y
3W/B
SW
3B
HEADLIGHT BRACKET (LH)
12
12
12
35
24
1
3
85
54
1
6
8
1
5
4
1
2
3
2
85
METER B-51 (8)
B
E
0.5B/Y
RELAY; POWER WINDOW
UP
2B
FL-2 50A
KEY SW
5W
8W/B
H-6
2
H-7
3W/L
1
POWER WINDOW
1.25G/Y
1.25R/Y
1.25G/Y
1.25R/Y
2B
FRAME
POWER WINDOW MOTOR
(DRIVER)
2L
P-3
P-4
4JH1
N8A5270E
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