2004 ISUZU TF SERIES window

ELECTRICAL-BODY AND CHASSIS 8A-305
REMOVAL AND INSTALLATION

This photo is based on 2 doors








DRIVER SEAT SIDE POWER WINDOW &
DOOR LOCK SWITCH
Removal
1. Disconnect the battery ground cable.
2. Removes the screw in pull cup with the 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.


DRIVER’S SIDE DOOR LOCK SWITCH
Removal
1. Door Lock ASM

Refer to the removal steps of the DOORS in section 10
“BODY”.
2. Door Lock Switch



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

ELECTRICAL-BODY AND CHASSIS 8A-307
INSPECTION AND REPAIR








Harness side
D-20 D-5

Driver Seat 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 itemConnectin
g terminalCheck condition Standard
Door lock SW
Driver seat Lock Continuity
(Lock) side door
Unlock No continuity
Door lock SW
Driver seat Lock No continuity
(Unlock) side door
Unlock Continuity
3 (D-5) L/R Ground
Continuity 3-Ground - Continuity

4 (D-5)
L/R Door lock
actuator (Lock) (Resistance)

4-5
- Continuity
There is some
resistance

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

ELECTRICAL-BODY AND CHASSIS 8A-309




Switch side
D-4
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
D-9

Front Passenger’s Side Door Lock Actuator
1. Actuator Side Connector Circuit

Apply the battery voltage to the actuator connector
terminals to check the operation.
When 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





Actuator side
D-14 D-18

Rear Door Lock Actuator -LH & RH
1. Actuator Side Connector Circuit

Apply the battery voltage to the actuator connector
terminals to check the operation.
When 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

8A-310 ELECTRICAL-BODY AND CHASSIS
POWER WINDOW
PARTS LOCATION (RHD)


























RTW48AXF019601

8A-316 ELECTRICAL-BODY AND CHASSIS

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 Window:
Window does not operate One-touch operation for
“DOWN” movement will not
operate

Window operates in only
one direction
Front window on passenger
seat side:
Window does not operate Window does not operate
when operating the driver’s
SW
Window does not operate
when operating the
passenger’s SW
Window does operate in
only one direction when
operating the driver’s SW
Window does operate in
only one direction when
operating the passenger’s
seat side SW

Rear window on left (or right)
side:
Window on left (or right)
side does not operate
Window does not operate
when operating the driver’s
SW
Window does operate in
only one direction when
operating the driver’s SW
Window does operate in
only one direction when
operating the RR-LH (or
RH) side SW


Cable
Harness Relay;
Power
Window


SBF-9
SBF-11

ELECTRICAL-BODY AND CHASSIS 8A-317
DIESEL W/SRS MODEL
1. All windows do not operate

Checkpoint Trouble Cause Countermeasure


Reinstall or replace the fuse
SBF-11 (30A)

Poor fuse contact or blown
NG

Replace the circuit breaker
SBF-9 (50A)

SBF-9 (50A, Fuse box)
function

Circuit breaker malfunction


Repair grounding points
C-2
contact


Grounding points
C-2


Poor grounding point contact
NG NG OK
OK OK

Fuse SBF-11 (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
C-108
and 2
B-8
Voltage between the power
window relay harness side
connector terminal 2
B-8
and the ground (Should be
battery voltage 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
B-8
and 1
B-56 and 6 D-5

Open circuit or poor connector
contact
NG Voltage between 6 D-5 and
the ground (Should be battery
voltage present)

OK
Repair an open circuit or a
poor connection of the
connectors between 3
D-5
and
C-2 , or 3 B-8 (12

C-107 )
and C-2

Open circuit or poor connector
contact
NG
Continued on the next page

Voltage between
C-2 and
the ground

8A-318 ELECTRICAL-BODY AND CHASSIS
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 driver seat side
power window & door lock
SW.
SW. malfunction
NG

Replace the driver seat side
power window motor

Motor malfunction
NG OK

Driver 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 D-5
and 1
D-1, or 8 D-5 and 2
D-1

1. Driver seat side power
window motor function
when connection the motor
connector 1
D-1 to the
battery (+) terminal, and 2
D-1 to the (-) terminal
(Should the motor rotate in
the “UP” direction of the
window)
2. Driver seat side power
window motor function
when connecting the motor
connector 2
D-1 to the
battery (+) terminal, and 1
D-1 to the (-) terminal
(Should the motor rotate in
the “DOWN” direction of the
window)

ELECTRICAL-BODY AND CHASSIS 8A-319
REMOVAL AND INSTALLATION

This photo is based on RHD





DRIVER SEAT SIDE POWER WINDOW &
DOOR LOCK SWITCH
(2 DOORS MODEL)
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 photo is based on RHD






FRONT PASSENGER’S POWER WINDOW
& DOOR LOCK SWITCH
(2 DOORS MODEL)
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.