2007 ISUZU KB P190 window

8A-428 ELECTRICAL-BODY AND CHASSIS

1. All windows do not operate

Checkpoint Trouble Cause Countermeasure


Reinstall or replace the fuse
C20 (30A)

Poor fuse contact or blown

NG


Replace the circuit breaker
C20 (50A or 60A)

C20 (50A or 60A Fuse box)
function

Circuit breaker malfunction


Repair grounding points
contact

Grounding points C2


Poor grounding point contact

NG
NG
OK
OK
OK

Fuse C20 (30A, Fuse box)


Replace the power window
relay

Power window relay
malfunction

NG
Repair an open circuit or a
poor connection of the
connectors between 1
C108
and 2
B8
Voltage between the power
window relay harness side
connector terminal 2
B8
and the ground (Should be
battery v oltage present)

Open circuit or poor connector
contact

NG
OK

Power window relay function

OK
Repair an open circuit or a
poor connection of the
connectors between 1
B8
and 1
B56 and 6 D5

Open circuit or poor connector
contact

NG Voltage between 6 D5 and
the ground (Should be battery
v oltage present)

OK
Repair an open circuit or a
poor connection of the
connectors between 3
D5
and
C2 , or 3 B8 (12
C107 ) and C109

Open circuit or poor connector
contact

NG
Continued on the next page

Voltage between 3
D5 or 3
B8 and the ground



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ELECTRICAL-BODY AND CHASSIS 8A-429
Checkpoint Trouble Cause Countermeasure

Replace the driver seat side
power window & door lock
SW .
SW . malfunction
OK
NGDriver seat side power window
& door lock SW . function
Continued from the previous page



2. Lock switch does not function

Checkpoint Trouble Cause Countermeasure

Replace the driver seat side
power window & door lock
SW .
SW . malfunction
NGDriver seat side power window
& door lock SW . function



3. Window on the driver’s side does not operate

Checkpoint Trouble Cause Countermeasure

Replace the driv er seat side
power window & door lock
SW .
SW . malfunction

NG


Replace the driv er seat side
power window motor

Motor malfunction

NG
OK

Driv er seat side power
window & door lock SW .
function
OK

Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG Continuity between 7 D5
and 1
D1 , or 8 D5 and 2
D1
1. Driv er seat side power window motor function
when connection the motor
connector 1
D1 to the
battery (+) terminal, and 2
D1 to the (-) terminal
(Should the motor rotate in the “UP” direction of the
window)
2. Driv er seat side power window motor function
when connecting the motor
connector 2
D1 to the
battery (+) terminal, and 1
D1 to the (-) terminal
(Should the motor rotate in the “DOW N” direction of
the window)


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8A-430 ELECTRICAL-BODY AND CHASSIS
REMOVAL AND INSTALLATION


This illustration is based on RHD RTW 780SH002601






DRIVER’S SIDE POWER WINDOW &
DOOR LOCK SWITCH
(2 DOOR MODELS)
Removal
1. Disconnect the battery ground cable.
2. Remove the screw in the pull cup with the tip of a screwdriver.
3. Remove the switch bezel by pushing the spring with the tip of a screwdriver.
4. Disconnect the connector.

ATTENTION:
When removing a switch bezel lift from the front in the
bezel.
It follows the front with the screwdriver.
The clip has broken when lifting from the rear in the bezel.



Installation
To install, follow the removal steps in the reverse order.



This illustration is based on RHD RTW 780SH002701






FRONT PASSENGER’S POWER WINDOW
SWITCH
(2 DOOR MODELS)
Removal
1. Disconnect the battery ground cable.
2. Removes the screw in the pull cup with the tip of a screwdriver.
3. Remove the switch bezel by pushing the spring with the tip of a screwdriver.
4. Disconnect the connector.

ATTENTION:
When removing a switch bezel lift from the front in the
bezel.
It follows the front with the screwdriver.
The clip has broken when lifting from the rear in the bezel.



Installation
To install, follow the removal steps in the reverse order.


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ELECTRICAL-BODY AND CHASSIS 8A-431

This illustration is based on RHD RTW 780SH002601
DRIVER’S SIDE POWER WINDOW &
DOOR LOCK SWITCH
(4 DOOR MODELS)
Removal
1. Disconnect the battery ground cable.
2. Removes the screw in pull cup with the tip of a screwdriver.
3. Remove the switch bezel by pushing the spring with the tip of a screwdriver.
4. Disconnect the connector.

ATTENTION:
When removing a switch bezel lift from the front in the
bezel.
It follows the front with the screwdriver.
The clip has broken when lifting from the rear in the bezel.


Installation
To install, follow the removal steps in the reverse order.


This illustration is based on RHD RTW 780SH002701


FRONT PASSENGER’S POWER WINDOW
SWITCH
(4 DOOR MODELS)
Removal
1. Disconnect the battery ground cable.
2. Removes the screw in pull cup with the tip of a screwdriver.
3. Remove the switch bezel by pushing the spring with the tip of a screwdriver.
4. Disconnect the connector.

ATTENTION:
When removing a switch bezel lift from the front in the
bezel.
It follows the front with the screwdriver.
The clip has broken when lifting from the rear in the bezel.



Installation
To install, follow the removal steps in the reverse order.


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8A-432 ELECTRICAL-BODY AND CHASSIS


RTW 780SH002801


REAR POWER WINDOW & DOOR LOCK
SWITCH-LH & RH
Removal
1. Disconnect the battery ground cable.
2. Remove the screw in the pull cup with the tip of a screwdriver.
3. Remove the switch bezel by pushing the spring with the tip of a screwdriver.
4. Disconnect the connector.

ATTENTION:
When removing a switch bezel lift from the front in the
bezel.
It follows the front with the screwdriver.
The clip has broken when lifting from the rear in the bezel.



Installation
To install, follow the removal steps in the reverse order.


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ELECTRICAL-BODY AND CHASSIS 8A-433


DRIVER’S SIDE POWER WINDOW
MOTOR
Removal
1. Window Regulator ASM
• Refer to the removal steps of the W INDOW
REGULATOR/POW ER W INDOW MOTOR in Section
10 “BODY”.
2. Power Window Motor • Loosen the fixing bolts to remove the power windo
w
motor from the regulator.



Installation
To install, follow the removal steps in the reverse order.



FRONT PASSENGER’S POWER WINDOW
MOTOR
Removal
1. W indow Regulator ASM
• Refer to the removal steps of the W INDOW
REGULATOR/POW ER W INDOW MOTOR in Section
10 “BODY”.
2. Power W indow Motor • Loosen the fixing bolts to remove the power windo
w
motor from the regulator.



Installation
To install, follow the removal steps in the reverse order.



RTW 580SH002901


REAR POWER WINDOW MOTOR-LH &
RH
Removal and Installation
Refer to the “DRIVER’S SIDE POW ER W INDOW MOTOR”
removal and installation steps in this section.



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8A-434 ELECTRICAL-BODY AND CHASSIS
INSPECTION AND REPAIR






B8
RTW 78ASH002901

Power Window Relay
Check continuity between the relay terminals.
2- 1........................ No continuity
(W hen battery voltage is applied between
3 and 4)
2- 1........................ Continuity





Harness side
D20 D5


Driver’s Side Power Window & Door Lock
Switch
1. Harness Side Connector Circuit
Disconnect the switch connector, and check voltage and continuity between the harness side connector terminals as
shown in the following table.

Terminal No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
6 G/R Power window
relay Voltage 6-Ground Starter SW “ON” Approx.
12V
7 BR/R Power window
8 BR/W motor

3 B Ground Continuity 3-Ground - Continuity






Harness side
D10


Front Passenger’s Power Window Switch
1. Harness Side Connector Circuit
Disconnect the switch connector, and check voltage and continuity between the harness side connector terminals as
shown in the following table.

Continuity
-
7-8
Continuity

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ELECTRICAL-BODY AND CHASSIS 8A-435
Terminal No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
6 G/R Power window
relay Voltage 6-Ground Starter SW “ON” Approx.
12V
8 BR/R
7 BR/W Power window
motor Continuity 8-7
- Continuity
1,3 B Ground Continuity 1,3-Ground - Continuity






Harness side
D12 D16


Rear Power Window Switch-LH & RH
1. Harness Side Connector Circuit
Disconnect the switch connector, and check voltage and continuity between the harness side connector terminals as
shown in the following tables.


D12 (RR-LH)
Terminal No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
6 G/R Power window
relay Voltage 6-Ground Starter SW “ON” Approx.
12V
8 BR/R
7 BR/W Power window
motor Continuity 8-7
- Continuity
3 B
4 B Ground Continuity 3,4-Ground - Continuity
D16 (RR-RH)
Terminal
No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
6 G/R Power window
relay Voltage 6-Ground Starter SW “ON” Approx.
12V
8 BR/R
7 BR/W Power window
motor Continuity 8-7
- Continuity
3 B Ground Continuity 3-Ground - Continuity


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