ECU ISUZU TF SERIES 2004 Owner's Guide

ELECTRICAL-BODY AND CHASSIS 8A-153

HEADLIGHT LEVELING SWITCH
Incorrect beam angle due to load change can be corrected.
A four position switch, 0-3, can alter the beam angle through
1.7 degrees on the long wheel base model and 2.17 degrees
on the short wheel base model.
825R300049

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



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-176 ELECTRICAL-BODY AND CHASSIS
This illustration is based on RHD model
TURN SIGNAL SWITCH
Removal
1. Disconnect the battery ground cable.
2. Remove the steering wheel
1.
Refer to the “STEERING” Section of this Manual.
3. Remove the instruments panel lower cover
2.
4. Remove the steering column cover
3.

This illustration is based on RHD model
5. Disconnect the connector.
6. Remove the turn signal switch from the steering shaft.




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



Connector
Be absolutely sure that the turn signal switch connector is
securely connected.
This will prevent a poor contact and at 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.

8A-178 ELECTRICAL-BODY AND CHASSIS
BACK UP LIGHT SWITCH
Removal
1. Disconnect the battery ground cable.
2. Disconnect the connector
1.
3. Remove the back up light switch from the transmission
2.



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



Back up Light Switch Threads
Apply liquid gasket to the threaded portion and install the back
up light switch.



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

HORN
Removal
1. Remove the radiator grille.
Refer to the “HEADLIGHT” removal procedure.
2. Loosen the horn bolt.
3. Disconnect the horn connector.


Installation
Follow the removal procedure in the reverse order to install the
horn.
Pay close attention to the important point mentioned in the
following paragraphs.



Connector
Be absolutely sure the horn connector is securely connected.
This will prevent a poor contact and open circuit.

ELECTRICAL-BODY AND CHASSIS 8A-193

DOOR SWITCH
Removal
1. Disconnect the battery ground cable.
2. Loosen the screw

1.
3. Remove the door switch.
4. Disconnect the door switch connector
3.





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 door switch connector is securely
connected.
This will prevent a poor contact and an open circuit.


SPOT LIGHT (MAP Light)
Removal
1. Grasp the spot light housing
1 with both hands.
Pull the housing straight down.
This will release the clip.
2. Disconnect the connector

2.
3. Turn socket
3 counterclockwise to remove it.

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-207
REMOVAL AND INSTALLATION


WIPER AND WASHER SWITCH
Removal
Refer to the removal steps of the LIGHTING SWITCH
(COMBINATION SWITCH) in “ LIGHTING “ of this section.





Installation
Follow the removal procedure in the reverse order to install the
wiper and washer switch.
This illustration is based on RHD model
Pay close attention to the important points mentioned in the
following paragraphs.

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

8A-212 ELECTRICAL-BODY AND CHASSIS
Windshield Washer Spray
Be sure that the engine hood is completely closed before
checking the windshield washer spray adjustment.
Windshield Washer Spray Position: Refer to the illustration.

RTW38DSF000201



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


Note:
Windshield wiper arm and blade assembly configurations
are different for the right-hand and left-hand side of the
vehicle.
Be careful not to confuse the right-hand and left-hand side
assemblies.



This illustration is based on RHD model
WASHER TANK MOTOR
Removal
1. Remove the head light.

Refer to the head light in this manual.
2. Remove the inner riner.
3. Pull out the clip washer filler.
4. Remove the washer tank nuts.

ELECTRICAL-BODY AND CHASSIS 8A-213


4. Disconnect the connector
1.
5. Disconnect the water hose

2.


6. Pull out the washer tank motor
3.




Installation
Follow the removal procedure in the reverse order to install the
washer tank motor.
Pay close attention to the important points mentioned in the
following paragraphs.


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

8A-262 ELECTRICAL-BODY AND CHASSIS
REMOVAL AND INSTALLATION

This illustration is based on RHD model
METER ASSEMBLY
Removal
1. Meter Cluster Assembly

Refer to the removal steps of “INSTRUMENT PANEL” in
Section 10 “CAB”
2. Meter Assembly

Remove three screws of the meter assembly.

Disconnect the meter connectors.






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



Connector
Be absolutely sure that the meter connectors are securely
connected.
This will prevent a poor contact and an open circuit.



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