light ISUZU TF SERIES 2004 Manual Online

ELECTRICAL-BODY AND CHASSIS 8A-261
2. Even when the parking brake lever is pulled, the indicator light does not go off

Checkpoint Trouble Cause Countermeasure

Adjust the SW. installation
position or replace the parking
brake SW. Incorrect the parking brake
SW. adjustment or brake SW.
faulty
NG Thermo unit malfunction
Replace the brake fluid level
SW., or vacuum SW., or
repair a short circuit between
the parking brake SW.
connector 1
C-39
(Lever: 1
R-4) and 9 B-23
or the brake fluid level SW.
connector 2
C-37 and 9
B-23, (or the vacuum SW.
connector 1
C-38 and 9
B-23 : 4JH1-TC ONLY)
Check to see if the indicator
light goes off when the parking
brake SW. connector 1
C-39
(Lever: 1
R-4) is
di t d
Brake fluid level SW. or
vacuum SW. faulty or short
circuit
NG OK

Parking brake SW. installation
position and function




3. Oil pressure warning light does not go off while engine is running


Refer to ENGINE Section

Refer to ENGINE Section
NG Thermo unit malfunction

Repair a short circuit between
1
E-1 and 3 B-24

Check to see the warning light
goes off when the oil pressure
SW. connector
1
E-1 is disconnected


Short circuit


Replace the oil pressure unit
(or the oil pressure SW.)
Continuity between the oil
pressure SW. connector
1
E-1 and the body ground
when the engine is operating


Oil pressure unit (or oil
pressure SW) faulty
NG NG OK
OK

Engine oil pressure

ELECTRICAL-BODY AND CHASSIS 8A-263



WARNING LIGHT BULB, INDICATOR
LIGHT BULB AND ILLUMINATION LIGHT
BULB
Removal
Turn the bulb socket counterclockwise and pull the bulb out.



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











FUEL TANK UNIT
Removal
Dismount the fuel tank first, then remove the fuel tank unit.
1. Remove the rear inner liner -LH

Remove the clip
2. Remove the filler neck.

Remove the screw
3. Remove the ground with cable.
4. Remove the fuel tank band.

T/M jack unit on the vehicle.

Disconnect fuel line quick connectors.
5. Remove the fuel tank unit from the fuel tank.

ELECTRICAL-BODY AND CHASSIS 8A-265
INSPECTION AND REPAIR

Warning, indicator and illumination light position
Without tachometer (C24NE)



RTW38AXF026601

8A-278 ELECTRICAL-BODY AND CHASSIS
Low Fuel Indicator Light Inspection
1. Disconnect the fuel tank unit wire connector.
2. Turn the key switch on. Check that the bulb lights.
If operation is not correct, remove and check the bulb or circuit.
or If check whether low fuel turns on fuel input (B-24) at the
time of open and key on.
 meter is check at low fuel
140R300006





Check level sensor operation
1. Remove the fuel tank unit.
2.
Apply battery voltage between terminal (B) and (C) through
a 1.12 watt bulb. Check that the bulb lights.
Note:
It will take a short time for the bulb light.
3. Submerge the sensor in fuel. Check that the bulb goes out.
If operation is not correct, replace the fuel tank unit.

BRAKE SYSTEM WARNING LIGHT
The brake system warning light comes on while the parking
brake is set and the engine run position.
Note:
The parking brake indicator light circuit is designed to
prevent driving of the vehicle with the parking brake on.
It does not indicate the condition of the parking brake
system.



The parking brake switch is in parallel with the brake fluid
switch.



The brake system warning light also comes on when reservoir
brake fluid level falls below the specified limit with the parking
brake released and the engine run position.

ELECTRICAL-BODY AND CHASSIS 8A-329
AUDIO, CLOCK AND CIGARETTE LIGHTER
PARTS LOCATION (RHD)










RTW48AXF020001 & RTW48AXF020101

ELECTRICAL-BODY AND CHASSIS 8A-335
TROUBLESHOOTING
CIGARETTE LIGHTER
1. Lighter does not pop out after being pushed in. It does not become hot.

Checkpoint Trouble Cause Countermeasure


Reinstall or replace the fuse
No. C-12 (15A)

Poor Fuse No. C-12 (15A,
Fuse box) contact or blown
NG

Replace the lighter

Lighter continuity between
center part and outer area

Open circuit or poor connector
contact


Repair open circuit or
connector contact
Voltage between connector 1
B-21 and the ground at
starter SW. is ACC position
(Should be battery voltage
present)

Open circuit or poor connector
contact
NG NG OK
OK OK

Audio system (System should
receive power)


Repair open circuit or
connector contact

Open circuit or poor connector
contact
NG
Continuity between connector
1
B-22 and the ground




2. Lighter pops out prematurely before becoming hot

Repair or replace the lighter
and/or casingDeformed lighter or casing NGLighter and casing



3. Lighter becomes too hot

Repair or replace the lighter
and/or casingDeformed lighter and casing NGLighter and casing

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.

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-418 ELECTRICAL-BODY AND CHASSIS

CONNECTOR LIST
No. Connector face No. Connector face
B-1
~
B-6 NOT USED B-17
~
B-19 NOT USED
B-7
Black
Rear defogger relay B-20
WhiteCigar lighter illumination
B-8
Black
Power Window Relay B-21
WhiteCigar lighter
B-9
NOT USED B-22
Black
Cigar lighter
B-10
White
Clock B-23
GreenMeter-A
B-11


B-12 NOT USED B-24
Green
Meter-B
B-13
White
Fan switch B-25
~
B-27 NOT USED
B-14
Gray
Audio B-24
GreenGround Driver Side
B-15
NOT USED B-30
~
B-29 NOT USED
B-16
White
Hazard switch B-31
SDM

ELECTRICAL-BODY AND CHASSIS 8A-421


No. Connector face No. Connector face
B-75
Black
Rear fog C/U


B-76
White
Front & rear fog light switch


B-77
(4JA1-L)
White Immobilizer C/U


B-78
White
Immobilizer antenna coil


B-79
White
Short connector (cooler only)


B-80
Black
Hazard relay (RH)


B-81
Black
Hazard relay (LH)