Isuzu KB P190. Manual — part 1299

8A-258 ELECTRICAL-BODY AND CHASSIS

CIRCUIT DIAGRAM 4JA1T (L)

RTW78AXF005901

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)

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.

ELECTRICAL-BODY AND CHASSIS 8A-261

DOOR SWITCH

Removal

1. Disconnect the battery ground cable.

2. Loosen the screw

1

.

3. Remove the door switch

2

.

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.

SPOTLIGHT (MAP Light)

Removal

1. Grasp the spotlight 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.