2004 ISUZU TF SERIES ECU

8A-264 ELECTRICAL-BODY AND CHASSIS
Installation

Rubber Seal
Be absolutely sure that the fuel tank unit rubber seal is
correctly seated.



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



VEHICLE SPEED SENSOR (INSTALLED
ON THE TRANSMISSION)
Removal
1. Disconnect the connector.
2. Remove the vehicle speed sensor body by rotating it.







Installation
To Install, follow the removal steps in the reverse order, noting
the following point.
Tighten the vehicle speed sensor to the specified torque.
Vehicle Speed Sensor Tightening Torque Nm (kgfm/lb.ft)
25  4.9 (2.5  0.5/18  3.6)

8A-336 ELECTRICAL-BODY AND CHASSIS
REMOVAL AND INSTALLATION



AUDIO
Refer to Section 9 “ACCESSORIES” for details.


CIGARETTE LIGHTER
Removal
1. Disconnect the battery ground cable.
2. Remove the center cluster ASM.
3. Remove the lighter

1.
4. Disconnect the connector

2.
5. Loosen the ring nut

3 at the back side.
6. Remove the outer case
4.
7. Remove the lighter holder
5 from the bezel.





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



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


ACC SOCKET
Removal
1. Disconnect the battery ground cable.
2. Remove the center cluster ASM.
3. Disconnect the connector.
4. Remove the holder nut
1.
5. Remove the ACC Socket
2

Installation
Follow the removal procedure in the reverse order to install the
lighter.

8A-392 ELECTRICAL-BODY AND CHASSIS

TECH-2 OPERATION AND PROGRAMING
KEYLESS ENTRY
General Description
When the anti-theft and keyless entry control unit and/or the
transmitters (remote keys) are replaced, the security codes
and/or transmitter ID codes must be programmed by using he
Tech-2. The following pages show the procedures to program
in regard to the anti-theft and keyless entry system. Please
refer to Tech-2 scan tool user’s guide in detail.








901RW180
Legend
(1) PCMCIA Card (4) DLC Cable
(2) RS 232 Loop Back Connector (5)Tech–2
(3) SAE 16/19 Adaptor

8A-396 ELECTRICAL-BODY AND CHASSIS
RTW38DLH000101
Menu
The left table shows witch functions are used for the
available equipment versions.
NOTE: Marked items are not applied for keyless entry
system.

DTC
On OBD has three options available in the Tech-2
DTC mode to display the enhanced information
available.

Read DTC Info Ordered By Priority.

Read DTC Info As Stored By ECU.

Clear DTC and Alarm Code Info.

Clear DTC Information
To clear Diagnostic Trouble Codes (DTCs), Use the
diagnostic scan tool “Clear DTC Information” function.

Tech-2 Data Display
The Tech-2 data values represent values that would
be seen on a normally-keyless entry system.



RTW38DSH001601
Actuator Test
Unlock/Lock Test
Check whether opening and closing of a door lock
can be performed by operation of Tech-2.
1. Turn the key “OFF”.
2. Turn the key “ON”.
3. Check the display and test menu.
4. Operate the Tech-2.

ELECTRICAL-BODY AND CHASSIS 8A-397

RTW38DSH001701
Turn Signal Test
Check the turn signal lamp lights up by operation of
Tech-2.
1. Turn the key “OFF”.
2. Turn the key “ON”.
3. Check the display and test menu.
4. Operate the Tech-2.


060R200289
Programming
Erase Remove Key
To erase remove control key code in the control unit.
1. Check the display of Tech-2 and press “Confirm”
key.
RTW38DSH001001

2. Enter security code.
3. Press “Not Okay” or “Okay” key.

8A-410 ELECTRICAL-BODY AND CHASSIS
ANTI THEFT INDICATOR


Removal
1. Disconnect the battery ground cable.


RTW3A0SH001301
2. Remove the side ventilation grille.




RTW08ASH000101
3. Disconnect the indicator connector and screw from the
backside of the side ventilation grille to remove the anti thef
t
indicator.


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

CRUISE CONTROL SYSTEM 8B-7
Cruise Control Main Switch



Removal
1. Disconnect the battery ground cable.


RTW3A0SH001301
2. Remove the side ventilation grille.



RTW3A0SH001401
3. Disconnect the switch connector and push the lock from the
backside of the side ventilation grille to remove the cruise
control main switch.


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

Cruise Control Switch (Combination Switch)


Removal and Installation
Refer to the Lighting Switch (Combination Switch) removal and
installation steps of Lighting System in Body and Accessories
section.

ENGINE MECHANICAL 6A – 31
VALVE CLEARANCE ADJUSTMENT
1. Bring the piston in either the No. 1 cylinder or the No. 4
cylinder to TDC on the compression stroke by turning
the crankshaft until the crankshaft damper pulley TDC
line is aligned with the timing pointer.

014RY00014











2. Check the rocker arm shaft bracket nuts for
looseness.
Tighten any loose rocker arm shaft bracket nuts
before adjusting the valve clearance.

Rocker Arm Shaft Bracket Nut Torque N·m (kg·m /lb·ft)
54 (5.5/40)


014RY00015
8. Check for play in the No. 1 intake and exhaust valve
push rods.
If the No. 1 cylinder intake and exhaust valve push
rods have play, the No. 1 piston is at TDC on the
compression stroke.
If the No. 1 cylinder intake and exhaust valve push
rods are depressed, the No. 4 piston is at TDC on the
compression stroke.

014RY00016
Adjust the No.1 or the No. 4 cylinder valve clearances
while their respective cylinders are at TDC on the
compression stroke.
Valve Clearance (At Cold) mm (in)
0.4 (0.016)

9. Loosen each valve clearance adjusting screw as
shown in the illustration.
10. Insert a feeler gauge of the appropriate thickness
between the rocker arm and the valve stem end.


014RY00017


11. Turn the valve clearance adjusting screw until a slight
drag can be felt on the feeler gauge.
12. Tighten the lock nut securely.
13. Rotate the crankshaft 360.
14. Realign the crankshaft damper pulley TDC notched
line with the timing pointer.
15. Adjust the clearances for the remaining valves as
shown in the illustration.