bulb ISUZU TF SERIES 2004 Owner's Guide

ELECTRICAL-BODY AND CHASSIS 8A-169
2. Turn signal light does not light on one side (RH or LH)

Checkpoint Trouble Cause Countermeasure



Repair open circuit or
connector contact

Open circuit or poor connector
contact
NG
(LH)
Continuity between
3
C-25 - 6 B-60 (FRT),
1
C-35 - 6 B-60 (SIDE)
1
F-6 - 6 B-60 (RR)
(RH)
Continuity between
3
C-18 - 7 B-60 (FRT),
1
C-1 - 7 B-60 (SIDE)
1
F-5 - 7 B-60 (RR)

Repair or replace the
combination switch

Turn signal switch continuity

Poor switch point contact or
faulty switch
NG
OK OK

Repair open circuit or
connector contact

Open circuit or poor connector
contact
NG



3. Hazard warning light does not light



Repair or replace the hazard
SW.

Hazard SW. malfunction
NG
Voltage between 5 B-16 -
ground (Should be battery
voltage present)

Hazard SW. continuity


Reinstall or replace the fuse
No. EB-16 (10A)

Fuse No. EB-16 (10A, Relay
and fuse box)

Poor fuse contact or blown
fuse
NG
OK OK

Repair open circuit or
connector contact
Open circuit or poor
connector contact between
fuse No. EB-16 (10A) -
5
B-16 NG



4. Flashing rate too fast (One side)

Replace the bulb or repair
open circuitInspect bulbBurned out bulb NG

8A-170 ELECTRICAL-BODY AND CHASSIS
BACKUP LIGHT
1. Backup light does not light on one side (RH or LH)

Checkpoint Trouble Cause Countermeasure

Repair grounding point contactPoor ground contact NGGrounding point
Replace the bulb or repair
connector contactBackup light bulb continuityBurned out bulb or poor
connector contact NG
OK



2. Backup light does not light on both sides



Repair or replace the switch

Poor switch point contact of
faulty switch
NG
Voltage between 5 F-6
(5
F-5 ) - ground with
starter switch ON and shift
lever into reverse position
(Should be battery voltage
present)

Back up light switch (mode
switch) continuity


Reinstall or replace fuse No.
C-4 (15A)

Fuse No. C-4 (15A, Fuse box)

Poor fuse contact or blown
fuse
NG
OK OK

Repair open circuit or
connector contact

Open circuit or poor connector
contact
NG

ELECTRICAL-BODY AND CHASSIS 8A-173
REMOVAL AND INSTALLATION


REAR COMBINATION LIGHT
Stoplight
Removal
1. Open the rear gate.
2. Remove the screws of rear combination light.
3. Remove the rear combination light assembly.


4. Turn the bulb 2 counterclockwise to remove it.



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



Bulb
Be absolutely sure that each bulb is correctly installed.
This will prevent a poor contact and an open circuit.

HIGH MOUNTED STOPLIGHT
Remove the bulb socket
1. Remove the high mounted stoplight ASM.

Remove the screws.

Disconnect the connector.

2. Remove the bulb socket.

Turn the bulb
1 counterclockwise to remove it.

8A-174 ELECTRICAL-BODY AND CHASSIS

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



Bulb
Be absolutely sure that each bulb is correctly installed.
This will prevent a poor contact and an open circuit.

SIDE TURN LIGHT
Removal
1. Remove the lens 1.

Pull the light/bulb toward you while pushing the ligh
t
housing in the rear direction of the vehicle to release its
lock.

Remove the socket by turning it counterclockwise.
2. Pull the bulb
2 to remove it.


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



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
















REAR COMBINATION LIGHT
Turn Signal Light
Removal
1. Open the rear gate.
2. Remove the screws.
3. Remove the rear combination light assembly.

4. Turn the bulb 1 counterclockwise to remove it.

ELECTRICAL-BODY AND CHASSIS 8A-175
Installation
Follow the removal procedure in the reverse order to install the
rear combination light.
Pay close attention to the important points mentioned in the
following paragraphs.



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

ELECTRICAL-BODY AND CHASSIS 8A-177

REAR COMBINATION LIGHT
Back Up Light
Removal
1. Open the rear gate.
2. Remove the screws.
3. Remove the rear combination light assembly.

4. Turn the bulb
3 counterclockwise to remove it.



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



Bulbs
Be absolutely sure that each bulb is correctly installed.
This will prevent a poor contact and an open circuit.

This illustration is based on RHD model

HAZARD WARNING FLASHER SWITCH
Removal
1. Disconnect the battery ground cable.
2. Instrument Panel Cluster Assembly

Refer to Section 10 “BODY” for instrument panel cluste
r
assembly removal steps.
3. Hazard Warning Switch

Disconnect the switch connector.

To remove the switch, push the lock from the back side
of the cluster assembly.


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



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

ELECTRICAL-BODY AND CHASSIS 8A-191
TROUBLESHOOTING
1. Dome light dose not light

Checkpoint Trouble Cause Countermeasure


Replace the dome light bulb

Burned out the bulb
NG

Repair or replace the dome
light assembly

Dome light switch function

Switch malfunction


Repair open circuit or
connector contact

Continuity between
connector 5
H-12 - 1 L-1


Open circuit or poor connector
contact
NG NG OK
OK

Dome light bulb continuity




2. Dome light does not go out


Repair or replace the door
switch

Switch malfunction or foreign
material switch
NG

Repair short circuit or
connector contact
Continuity between
connector 2
L-1 -ground
when shutting the door
(Should be no continuity)
Short circuit
NG OK

Door switch function (Both
side)

8A-192 ELECTRICAL-BODY AND CHASSIS
REMOVAL AND INSTALLATION









DOME LIGHT
Removal
1. Remove the dome light lens 1 free.
2. Remove two dome light fixing screws.
3. Remove the wiring connector.
4. Remove the dome light.
5. Pull the bulb
2 to remove it.







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



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

8A-194 ELECTRICAL-BODY AND CHASSIS



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


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



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




RTW48ASH000801
WARNING BUZZER (ALARMER
CONTROL UNIT)
Removal
1. Disconnect the battery ground cable.
2. Remove the glove box

Remove the screw.
3. Remove the Alarmer C/U assembly

Remove the screw.





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



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

8A-258 ELECTRICAL-BODY AND CHASSIS
TEMPERATURE GAUGE AND THERMO UNIT
1. No temperature indicates at all

Checkpoint Trouble Cause Countermeasure


Replace the thermo unit

Thermo unit malfunction
NG

Replace the case baseboard
assy

Gauge function
1. Disconnect the unit
connector then connect
3.4W bulb to wire harness
side with ground
2. Check indicating point
when starter SW. is ON
position (Temperature
should indicate)

Gauge malfunction


Repair open circuit or
connector contact
Continuity between 1 E-19
(C24NE & 6VE1:
E-85 ) and
13
B-24


Open circuit or poor connector
contact
NG NG OK
OK
Thermo unit continuity
between connector
E-19
(C24NE & 6VE1:
E-85 ) and
the ground



2. Temperature gauge incorrect readings in all ranges


Replace the thermo unit

Thermo unit malfunction
NG
Thermo unit resistance
between connector 1
E-19
(C24NE & 6VE1:
E-85 ) and
the ground when
disconnecting the connector
(Specified resistance should
indicate)