2004 ISUZU TF SERIES warning light

8A-168 ELECTRICAL-BODY AND CHASSIS
TURN SIGNAL LIGHT AND HAZARD WARNING LIGHT
1. Turn signal light does not light on both sides (RH and LH)

Checkpoint Trouble Cause Countermeasure



Replace the flasher unit

Flasher unit malfunction
NG

Repair or replace the
combination switch
Turn signal switch continuity
between connector
5
B-60 - 6 B-60 and
5
B-60 - 7 B-60 when
turn signal switch operates
Short circuit between
connector 3
B-61 - 1 B-61
when turn signal switch
operates with starter switch
in “ON” position (Turn
signal light should be ON)

Poor switch point contact or
faulty switch
NG OK

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

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

Poor fuse contact or blown
fuse
NG
OK OK

Repair open circuit or
connector contact
Continuity between
connector 2
B-61 -ground
(Should be continuity)


Open circuit or poor connector
contact
NG

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

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.

8A-180 ELECTRICAL-BODY AND CHASSIS

3. Push the SRS air bag area1 and area2. At that time confirm
the audible noise of each stud.
4. Enable the SRS (Refer to “Enabling the SRS”in this
section).


INSPECTION AND REPAIR





Switch side Harness side
B-60 B-60

TURN SIGNAL SWITCH
Lighting Switch Connections

Terminal No.
SW position 5 6 7
Left

Neutral

Right
Turning
direction





Switch side
B-16
HAZARD WARNING FLASHER SWITCH
Hazard Warning Flasher Switch Connections
Terminal
No.
SW position
4
6
5
3
2
1
7
8
ON
OFF

ELECTRICAL-BODY AND CHASSIS 8A-181
DOME LIGHT, SPOT LIGHT AND WARNING BUZZER
PARTS LOCATION (RHD)












RTW48AXF017001 & RTW48AXF017101

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.

ELECTRICAL-BODY AND CHASSIS 8A-195
INSPECTION AND REPAIR




R-9 R-10
R-1 R-6



DOOR SWITCH
Door Switch Connections

Connector
SW No.
R-9 R-10
R-1 R-6
position Terminal No.
1 Body Ground
PUSHED
RELEASED





WARNING BUZZER
1. Warning Buzzer Circuit


Warning function Operational conditions
Taillights left on The buzzer sounds when both the tail relay and the FRT door switch-drive
side are turned on. To stop the sound of the buzzer, turn on the starter
switch.




Harness side
B-45


2. Warning Buzzer Harness Side Connector Circuit
Disconnect the warning buzzer connector and check
continuity and voltage between the warning buzzer harness
side connector terminals.

Terminal
NO. Wire
color Connecting to Check itemConnecting
terminal Check condition Standard
3 G/R Tail relay 3-Ground Lighting SW “ON” Approx. 12V
6 Y Fuse CB-5 Voltage
6-Ground Starter SW “ON” Approx. 12V

Door SW Open Continuity
(FRT-LH)
Continuity Close No continuity
2 B Ground 2-Ground - Continuity
FRT door-LH 1-Ground 1
B/W

ELECTRICAL-BODY AND CHASSIS 8A-223
METER, WARNING LIGHT AND INDICATOR LIGHT
PARTS LOCATION (RHD)









RTW48AXF018401 & RTW48AXF018501