bulb ISUZU KB P190 2007 Workshop Workshop Manual

8A-240 ELECTRICAL-BODY AND CHASSIS


B Type
RTW 580SH000401



A Type
RTW 780SH001401

4. Turn the bulb 1 counterclockwise to remove it.




B Type
RTW 78ASH002601



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.




RTW 780SH001501
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 W arning Switch • Disconnect the switch connector.
• To remove the switch, push the lock from the back side
of the cluster assembly.

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ELECTRICAL-BODY AND CHASSIS 8A-259
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
H12 - 1 L1


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
L1 -ground
when shutting the door
(Should be no continuity)
Short circuit

NG
OK

Door switch function (Both
side)




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8A-260 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.


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8A-262 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.





RUW 580SH001501



RUW 580SH001601

OVER HEAD CONSOLE (MAP Light)
Removal
1. Open the lid (1) and remove the fastener (2).
2. A steel scale equivalent article is inserted in a lens side hook part and the crevice A section with roof lining, a metal
clip (5) is pushed in, and a over head consol (3) is removed
3. Disconnect the connector.
4. Push the bulb socket (4) in and turn it counterclockwise to remove it.







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



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



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8A-346 ELECTRICAL-BODY AND CHASSIS
TEMPERATURE GAUGE AND THERMO UNIT (4JA1T(L), 4JH1-TC, C24SE)
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 E19
(C24SE : 1
E65 ) and 16
B23 (C24SE : 13 B24 )


Open circuit or poor connector
contact

NG
NG
OK
OK
Thermo unit continuity
between connector 1
E19
(C24SE : 1
E65 ) 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
E19
(C24SE: 1
E65 ) and the
ground when disconnecting
the connector (Specified
resistance should indicate)



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ELECTRICAL-BODY AND CHASSIS 8A-347
ENGINE COOLANT TEMPERATURE GAUGE (4JJ1-TC/4JK1-TC)
Refer to “Inspection and Repair” in this Manual for a detailed description of the coolant temperature gauge self-
diagnosis procedure.

1. No engine coolant temperature indicates at all

Checkpoint Trouble Cause Countermeasure


Replace the engine coolant
temperature sensor

Engine coolant temperature
sensor malfunction

NG


Replace the meter assembly

Gauge function
1. Disconnect the sensor 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 3
E41
and 16
B23


Open circuit or poor connector
contact

NG
NG
OK
OK
Engine coolant temperature
sensor continuity between
connector 3
E41 and the
ground



2. Engine coolant temperature gauge incorrect readings in all ranges


Replace the sensor

The sensor malfunction

NG

Engine coolant temperature
sensor resistance between
connector 3
E41 and the
ground when disconnecting
the connector (Specified
resistance should indicate)


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8A-348 ELECTRICAL-BODY AND CHASSIS
TEMPERATURE GAUGE AND THERMO UNIT (HFV6)
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 8 B96
and 16
B23


Open circuit or poor connector
contact

NG
NG
OK
OK
PIM (Thermo unit) continuity
between connector 8
B96
and the ground




2. Temperature gauge incorrect readings in all ranges


Replace the thermo unit

Thermo unit malfunction

NG
PIM (Thermo unit) resistance
between connector 8
B96
and the ground when
disconnecting the connector
(Specified resistance should
indicate)




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ELECTRICAL-BODY AND CHASSIS 8A-349
FUEL GAUGE AND FUEL TANK UNIT (C24SE, 4JJA1T(L), 4JH1-TC, 4JJ1-TC/4JK1-TC)
1. No fuel level indicates at all

Checkpoint Trouble Cause Countermeasure


Replace the tank unit

Open circuit inside the tank
unit

NG
Thermo unit malfunction

Replace the case baseboard
assy

Fuel gauge function
1. Disconnect the tank unit connector then connect
3.4W bulb to wire harness
side
2. Check indicating point when starter SW . is ON
position (Fuel level should
indicate)

Gauge malfunction


Repair open circuit or
connector contact
Continuity between
connectors 17
B23 (C24SE :
14
B24 ) and 3
F2


Open circuit or poor connector
contact

NG
NG
OK
OK

Tank unit continuity between
connector 3
F2 and ground




2. Fuel gauge gives incorrect readings in all ranges

Replace the tank unitTank unit malfunction
NG
Tank unit resistance position
with the float at checking
points (Specified resistance
should indicate)


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8A-350 ELECTRICAL-BODY AND CHASSIS
FUEL GAUGE AND FUEL TANK UNIT (HFV6)
1. No fuel level indicates at all

Checkpoint Trouble Cause Countermeasure


Replace the tank unit

Open circuit inside the tank
unit

NG
Thermo unit malfunction

Replace the case baseboard
assy

Fuel gauge function
1. Disconnect the tank unit connector then connect
3.4W bulb to wire harness
side
2. Check indicating point when starter SW . is ON
position (Fuel level should
indicate)

Gauge malfunction


Repair open circuit or
connector contact
Continuity between
connectors 17
B23 and 17

B96

Open circuit or poor connector
contact

NG
NG
OK
OK
PIM (Tank unit) continuity
between connector 17
B96
and ground



2. Fuel gauge gives incorrect readings in all ranges

Replace the tank unitTank unit malfunction
NG
Tank unit resistance position
with the float at checking
points (Specified resistance
should indicate)



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ELECTRICAL-BODY AND CHASSIS 8A-351
WARNING AND INDICATOR LIGHT
1. When the parking brake lever is pulled, the brake indicator light does not light up

Checkpoint Trouble Cause Countermeasure


Replace or reinstall the bulb

Bulb burned out or loose
contact

NG

Adjust or replace the parking
brake SW .

Parking brake SW . installation
position and function

Incorrect SW . adjustment or
poor SW . point contact

Continuity between the
parking brake SW . connector
1
C39 (stick type), 1 R4
(lev er type), and 4
B23
(C24SE : 9
B23 )

Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG
NG
OK
OK

Brake indicator light bulb
continuity

NG
OK
Continuity between the
parking brake SW . connector
1
C39 (stick type), 1 R4
(lev er type) and the ground
when the parking brake is
operated

Replace the parking brake
SW .

Parking brake SW .
malfunction





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