Isuzu N-Series. Service manual — part 1034
CAB AND CHASSIS ELECTRICAL 8-241
Starter Switch
Refer to “START AND CHARGING” in this section.
Power Window Switch-driver Side
Circuit Inspection
Disconnect the switch connectors to check the voltage and the continuity between the harness side connector termi-
nals.
Termi-
Item
Connect-
Wire
nal
Connected to
to be
ing
Checking conditions
Standard
color
No.
checked
terminal
1
L/W
2
L
Driver seat side motor
1-2
4
G/Y
4-5
-
Continuity
5
R/Y
5-4
6
L/B
Power window relay
Voltage
6-Ground
Starter SW "ON"
Battery voltage
8
B
Ground
Continuity
8-Ground
-
Continuity
(resistance)
Continuity
(resistance)
Passenger side power
window SW
Harness side
D-3
N8A0234E
8-242 CAB AND CHASSIS ELECTRICAL
Inspection
Check the continuity between the connector terminals of the switch.
Repair or replace the switch when the result of inspection is found abnormal.
Removal
Preparation:
Disconnect the battery ground cable.
1. Switch
1) Insert the screw driver to the cut off portion to
remove the switch.
2) Disconnect the connector.
Driver side
Passenger side
6
1
2
8
6
5
4
8
UP
OFF
DOWN
UP
OFF
DOWN
LOCK
Window
Terminal
No.
SW
position
D-3
Switch side
N8A0235E
N8A0236E
CAB AND CHASSIS ELECTRICAL 8-243
Installation
To install, follow the removal steps in the reverse order.
Power Window Switch-passenger Side
Circuit Inspection
Disconnect the switch connectors to check the voltage and the continuity between the harness side connector termi-
nals.
Inspection
Check the continuity between the connector terminals of
the switch.
Repair or replace the switch when the result of inspec-
tion is found abnormal.
N8A5280E
8-244 CAB AND CHASSIS ELECTRICAL
Removal
Preparation:
Disconnect the battery ground cable.
1. Switch
1) Insert the screw driver to the cut off portion to
remove the switch.
2) Disconnect the connector.
Installation
To install, follow the removal steps in the reverse order.
Driver Seat Side Power Window Motor
Inspection
Before checking to see if the motor functions correctly,
be sure to check the circuit through the connector
of the driver’s power window switch.
If the motor does not operate smoothly, either the motor
or the circuit between the switch and the motor is defec-
tive.
1. Circuit inspection of the driver side window switch
Disconnect the switch connector and apply battery
voltage to the harness side connector terminals to
check its function.
1
2
4
3
5
UP
OFF
DOWN
Terminal
No.
SW position
Switch side
D-7
N8A0238E
N8A0239E
D-3
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