bulb ISUZU TF SERIES 2004 Owner's Manual

8A-128 ELECTRICAL-BODY AND CHASSIS
LIGHTING SYSTEM
REMOVAL AND INSTALLATION


HEADLIGHT
Removal
1. Remove the radiator grille center bolt.
2. Use a screwdriver to raise the clip and release the lock.
Place a clean rag beneath the screwdriver tip to protect the
body painted surfaces.
3. Remove the radiator grille.
4. Remove the front bumper.
5. Disconnect the headlight connector.
6. Remove the headlight assembly.
7. Remove the headlight cover.
 Remove the gaid.
8. Remove the headlight.


HALOGEN HEADLIGHT
Removal
1. Remove the head light socket.
2. Remove the headlight cover.



3. Out side the lock spring.



4. Remove the bulb.

8A-130 ELECTRICAL-BODY AND CHASSIS
FRONT TURN LIGHT
Removal
RTW38DSH000601

1. Turn the socket counterclockwise to disconnect it from the
front turn light housing.
2. Pull the bulb from the socket.


Installation
Follow the removal procedure in the reverse order to install the
front turn light.
Pay close attention to the important points mentioned in the
following paragraphs.



Connector
Be absolutely sure that the clearance light connector is
securely connected.
This will prevent a poor contact and an open circuit.


CLEARANCE LIGHT
Removal
RTW38DSH000601

1. Turn the socket counterclockwise to disconnect it from the
clearance light housing.
2. Pull the bulb from the socket.


Installation
Follow the removal procedure in the reverse order to install the
clearance light.
Pay close attention to the important points mentioned in the
following paragraphs.



Connector
Be absolutely sure that the clearance light connector is
securely connected.
This will prevent a poor contact and an open circuit.

ELECTRICAL-BODY AND CHASSIS 8A-131


LICENSE PLATE LIGHT
Removal
1. Remove the lens cover 1 and the connector 2.
2. Pull the bulb
3 to remove it.



Installation
Follow the removal procedure in the reverse order to install the
license plate light.
Pay close attention to the important points mentioned in the
following paragraphs.



Bulb
Be absolutely sure that the license plate light bulb is correctly
installed.
This will prevent a poor contact and open circuit.



HEADLIGHT BEAM SWITCH
(COMBINATION SWITCH)
Removal
1. Disconnect the battery ground cable.
2. Remove the screws on the lower part of the steering wheel.
3. Remove the horn pad.
4. Remove the wiring connector.
5. Remove the steering wheel fixing nuts.
6. Remove the steering wheel.
Refer to the "STEERING" Section of this manual.
7. Remove the Instrument panel lower cover.
8. Remove the steering column cover.
9. Disconnect the connector.
10. Remove the headlight beam switch (lever) from the steering
shaft (combination switch).


Installation
Follow the removal procedure in the reverse order to install the
headlight beam switch (lever).
Pay close attention to the important points mentioned in the
following paragraphs.



Connector
Be absolutely sure that the headlight beam switch connector is
securely connected.
This will prevent a poor contact and an open circuit.

8A-132 ELECTRICAL-BODY AND CHASSIS

Wire Harness
Do not pinch the wire harnesses between the cluster and the
meter hood during the cluster installation procedure.
Wire damage will result.


AIMING OF HEADLIGHT
Check and adjust the inflation pressures, clean the headlight,
park the vehicle on a level surface and insure that vehicle is at
curb weight.


VERTICAL ADJUSTMENT
Use a screwdriver for vertical adjustment.



HORIZONTAL ADJUSTMENT
Use a screwdriver horizontal adjustment.


Installation
To install, follow the removal steps in the reverse order.
Noting the following point:
1. After installing the headlight, be sure to adjust the headligh
t
aim.

HEADLIGHT ADJUSTMENT
Preparation
Place the vehicle with 1 person in driver seat on a level surface
and check to see if the inflation pressure of the tires is correct,
the lenses are clean, the battery is sufficiently charged, and
adjust to place vehicle by using the screen.
1. Set a vertical screen on a level surface.
2. Toward the screen
1from the bulb center mark of the
headlight, extend parallel lines to the floor. Mark point
A
and B on the screen at the intersection of parallel line and
the screen.
3. Draw vertical lines through point
A and B on the screen.

ELECTRICAL-BODY AND CHASSIS 8A-135


LIGHTING RELAY, TAIL RELAY
Check continuity between the relay terminals.
2 - 1............................. No continuity
(When battery voltage is applied between 3 and 4)
2 - 1............................. Continuity



GLOVE BOX ILLUMINATION
Removal
1. Remove the bulb cover 1.
2. Remove the bulb
2.


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


POWER/3rd START SW
Removal
 Refer to the “Front consol” Section 10 of this manual.
1. Disconnect the battery ground cable.
2. Remove the power/3rd start switch.
3. Remove the bulb.

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


A/T LEVER LIGHT BULB
Removal
 Refer to the “Front consol” Section 10 of this manual.
1. Remove the A/T lever cover.
2. Remove the light bulb
1.

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

8A-142 ELECTRICAL-BODY AND CHASSIS

FRONT FOG LIGHT
Removal
1. Remove the radiator grille.
2. Remove the front bumper
3. Disconnect the fog light connector.
4. Remove the fog light.



5. Remove the bulb from the socket.
 Remove the socket by turning it counterclockwise.


Installation
Follow the removal procedure in the reverse order to install the
fog light.
Pay close attention to the important points mentioned in the
following paragraphs.



Bulb
Be absolutely sure that the fog light bulb is correctly installed.
This will prevent a poor contact and open circuit.


FRONT FOG LIGHT ADJUSTMENT
Vertical Adjustment
Turn the adjusting screw (1) with a screwdriver to adjust the
aim of the fog light vertically.



RTU4Z0SH000601
FRONT FOG & REAR FOG SWITCH

ELECTRICAL-BODY AND CHASSIS 8A-143

RTW48ASH000401

Inspection
Check to see if there is any continuity between the terminals of
the front fog light switch.
Replace the switch when the result of inspection is found
abnormal.

Removal
Preparation:
Disconnect the battery ground cable.
1. Ventilation grille
2. Harness connector
3. Front fog light & Rear fog light switch
To remove the switch, push the lock from the back side of
the cluster assembly.
4. Remove the bulb.




RTW48ASH000301
Installation
To install, follow the removal steps in the reverse noting the
following point.
1. Push in the switch with your fingers until it locks securely.

8A-148 ELECTRICAL-BODY AND CHASSIS




RTW48ASH000701

REAR FOG LIGHT
Removal
1. Remove the screws 1.
2. Remove the lens cover
2.
3. Rear fog push turn the bulb
3 counterclockwise to
disconnect it from the light housing.



Installation
Follow the removal procedure in the reverse order to install the
rear fog light.
Pay close attention to the important points mentioned in the
following paragraphs.



Bulb
Be absolutely sure that the license plate light bulb is correctly
installed.
This will prevent a poor contact and open circuit.




RTU4Z0SH000601
FRONT FOG & RR FOG SWITCH



RTW48ASH000401

Inspection
Check to see if there is any continuity between the terminals of
the leveling switch.
Replace the switch when the result of inspection is found
abnormal.

Removal
Preparation:
Disconnect the battery ground cable.
1. Ventilation grille
2. Harness connector
3. Front fog light & Rear fog light switch
To remove the switch, push the lock from the back side of
the cluster assembly.
4. Remove the bulb.

8A-160 ELECTRICAL-BODY AND CHASSIS


RTU4Z0SH000901
ILLUMINATION SWITCH




RTW48ASH000601

Inspection
Check to see if there is any continuity between the terminals of
the switch.
Replace the switch when the result of inspection is found
abnormal.




RTW48ASH000501

Removal
Preparation:
Disconnect the battery ground cable.
1. Instrument panel driver lower cover assembly
Refer to the removal steps Sec.10
2. Harness switch
3. Illumination control
To remove the switch, push the lock from the back side of
the cluster assembly.
4. Remove the bulb.

8A-166 ELECTRICAL-BODY AND CHASSIS
TROUBLESHOOTING
STOPLIGHT AND HIGH MOUNTED STOPLIGHT
1. One side of stoplight does not light

Checkpoint Trouble Cause Countermeasure


Replace the bulb or repair
connector contact

Burned out bulb or poor
connector contact
NG

Repair open circuit or
connector contact


Repair open circuit or
connector contact


Open circuit or poor connector
contact


Continuity between
9
H-9 - 2 F-6 (LH) (or
2
F-5 (RH))


Open circuit or poor connector
contact

Continuity between

C-109 - 4 F-6 (LH) (or
4
F-5 (RH)) NG NG OK
OK

Stoplight bulb continuity




2. Both sides of stoplight do not light



Adjust the switch installation
position

Stop light switch (or brake
switch) function

Incorrect the switch installation
or adjustment
NG

Repair open circuit or
connector contact
Voltage between 2 F-6
ground or 2
F-5 - ground
with brake pedal depressed
(Should be battery voltage
present)
Open circuit or poor connector
contact between stoplight
switch (or brake switch) and
stoplight NG OK

Reinstall or replace fuse No.
SBF-9 (50A)
or 1
C-108 - 4
C-107
Fuse No. C-18 (15A)


Fuse No. SBF-9 (50A, Fuse
and Relay box)
or 1
C-108 - 4
C-107
Fuse No. C-18 (15A)


Poor fuse contact or blown
NG
OK