door ISUZU KB P190 2007 Workshop Service Manual

8A-412 ELECTRICAL-BODY AND CHASSIS
INSPECTION AND REPAIR







Harness side
D20 D5


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

Terminal No. Wire
color Connecting to Check item Connectin
g terminal Check condition
Standard
Door lock SW
Driver’s Lock Continuity
(Lock) side door
Unlock No continuity
Door lock SW
Driver’s Lock No continuity
(Unlock) side door
Unlock Continuity
3 (D5) L/R Ground Continuity 3-Ground
- Continuity

4 (D5)
L/R Door lock
actuator (Lock) (Resistance)

4-5
- Continuity
There is some
resistance

5 (D5)
L Door lock
actuator
(Unlock)
5-4
- Continuity
There is some
resistance
1 (D5) LG/W Fuse
C21 (20A) Voltage 1- Ground
- Battery voltage
(Approx. 12V)
14-Ground
L/R
14 (D20)
13-Ground
L/Y
13 (D20)

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ELECTRICAL-BODY AND CHASSIS 8A-413





Harness side
D20 D5

2. Switch Side Connector Circuit
Remove the switch connector, and check continuity and voltage between the switch connector terminals.
(Connect the (+) terminal of the battery to 1
D5and the
(-) terminal to 3
D5.)
3
D5 - 4 D5.................. Continuity
3 D5 - 5 D5.................. Continuity
(Then, ground 3 D5.)
4
D5.......... Current flow for approx. 1 second
(Disconnect the ground of 14 D20 , and ground 13 D20.)
5
D5.......... Current flow for approx. 1 second




Harness side
D5


3. Door Lock Operation Test

After confirming that there is continuity between the switch
harness side connector terminals 4
D5 and 5 D5,
apply the battery voltage to each of the terminals to conduct
the operation test.
W hen the door lock will not operate, check the door lock actuator for any trouble.
Connecting terminals
5 (L) 4 (L/R)
+ - Unlock
- + Lock
Operation


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8A-414 ELECTRICAL-BODY AND CHASSIS




Switch side
D4

Driver’s Side Door Lock Switch
1. Switch Side Connector Circuit
Check continuity between the switch connector terminals
Terminal No.
SW position 1 2 3
Lock

Unlock




Actuator side
D9


Front Passenger’s Side Door Lock Actuator
1. Actuator Side Connector Circuit
Apply the battery voltage to the actuator connecto
r
terminals to check the operation.
W hen the door lock actuator is checked on the vehicle and there is no continuity, and when the door lock actuator itsel
f
is checked and no trouble is found, check the circuit
between the door lock actuator and the driver seat side
power window & door lock switch for any failure.
Connecting terminals
1 2
+ - Lock
- + Unlock
Operation





Door lock actuator Rear – RH/LH Harness side
D14 D18


Rear Door Lock Actuator -LH & RH
1. Actuator Side Connector Circuit
Apply the battery voltage to the actuator connecto
r
terminals to check the operation.
W hen the door lock actuator is checked on the vehicle and there is no continuity, and when the door lock actuator itsel
f
is checked and no trouble is found, check the circuit
between the door lock actuator and the driver seat side
power window & door lock switch for any failure.
Connecting terminals
1 2
+ - Lock
- + Unlock
Operation



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ELECTRICAL-BODY AND CHASSIS 8A-427

TROUBLESHOOTING
QUICK CHART FOR CHECK POINTS
Check Points



Trouble Mode Power
Window
& Door
Lock
Switch Power Window Switch
Power Window Motor

Driver’s
Side Passenger’s
Side RR-LH RR-
RH Driver’s
Side Passenger’s
Side RR-LH RR-
RH
All windows will not operate
Lock SW does not function Driver’s W indow:
W indow does not operate One-touch operation for
“DOW N” movement will not
operate


W indow operates in only
one direction

Front window on passenger
seat side:
W indow does not operate
W indow does not operate
when operating the driver’s
SW

W indow does not operate
when operating the
passenger’s SW

W indow does operate in
only one direction when
operating the driver’s SW

W indow does operate in
only one direction when
operating the passenger’s
seat side SW


Rear window on left (or right)
side:
W indow on left (or right)
side does not operate

W indow does not operate
when operating the driver’s
SW

W indow does operate in
only one direction when
operating the driver’s SW

W indow does operate in
only one direction when
operating the RR-LH (or
RH) side SW



Cable
Harness
Relay;
Power
Window


SBF9

C20

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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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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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8A-436 ELECTRICAL-BODY AND CHASSIS




Harness side
D5

Driver’s Side Power Window Motor
1. Driver’s Side Power Window & Door Lock Switch
Connector Circuit
Disconnect the switch connector, apply the battery voltage (12V) to the harness side connector terminals and check
operation.
Connecting terminals Operation
7 (BR/R) 8 (BR/W ) direction
- + DOW N
+ - UP




D1


2. Driver’s Side Power Window Motor Connector Circuit
Disconnect the switch connector, apply the battery voltage (12V) to the motor side connector terminals and check
operation.
Connecting terminals Operation
1 2 direction
+ - DOW N
- + UP


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