Isuzu Trooper (1998-2002 year). Manual - part 926

8D–238

WIRING SYSTEM

2   Horns Do Not Shut Off

•

IS THE HORN RELAY NORMAL?

YES

•

•

REMOVE THE HORN SW
IS THE MOVABLE PORTION OF THE HORN SW ALWAYS OUT
OF CONTACT WITH THE GROUND BRACKET?

REPLACE THE HORN RELAY

NO

YES

REPAIR A SHORT CIRCUIT BETWEEN HORN RELAY HARNESS
SIDE CONNECTOR 1   X-8   AND 12  B-12

REPAIR OR REPLACE THE HORN SW

NO

WARNING:

WHEN SERVICING A VEHICLE EQUIPPED WITH SUPPLEMENTAL RESTRAINT SYSTEM, PAY
CLOSE ATTENTION TO ALL WARNINGS AND CAUTIONS.
FOR DETAILED EXPLANATION ABOUT SRS, REFER TO SECTION 9J “SUPPLEMENTAL
RESTRAINT SYSTEM (SRS)” AND 3F4 “SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL
& COLUMN”.

WIRING SYSTEM

8D–239

Dome Light, Luggage Room Light,

Courtesy Light and Map Light

General Description

This circuit consists of the starter switch, door
switch, dome light, luggage room light, courtesy
light, map light, and alarm & relay control unit.
The dome light lights up when any one of doors
except the tailgate is opened with the switch set at
the door mode.
The courtesy lights for the front doors are controlled
by front door switch–LH.
The luggage room light illuminates by opening the
tailgate when the switch is set at the door mode.
The map light illuminates by turning the switch on.
All these lights light up by turning on respective
switches regardless of the position of the starter
switch key.
The buzzer in the alarm & relay control unit sounds
to remind the driver to turn off the lights when the
starter switch is turned off.

8D–240

WIRING SYSTEM

Circuit Diagram (RHD)-1

D08RY00214

TAIL

RELAY

(4)

MAP

LIGHT

5.0

W

0.5

R/W

0.5

R/W

0.5

R/W

0.5

R/W

C-16 10A

CLOCK(B), ROOM

BATT. (+)

STARTER SW

(IG1)

3.0

B/Y

C-4 15A

ELEC. IGN

0.5

R/Y

LUGGAGE

ROOM

LIGHT

1

R-8

2

R-6

1

6

H-32

1

L-2

R-6

3

H-21

7

A

TAIL

GATE SW

0.5

B

1.25

B

BODY-RR

R-3

R-6

0.5

R/W

0.5

GR/W

0.5

R/W

1

D-18

10

H-18

14

H-46

4

B-6

2

B-6

ALARM & RELAY CONTROL UNIT

1

B-6

10

B-6

4

H-15

D-18

2

FRT

COURTESY

LIGHT-LH

0.5

GR/R

0.5

GR/W

0.85

G/R

0.5

GR/W

R-2

1

FRT DOOR

SW-LH

0.5

GR/W

0.5

R/W

0.5

R/W

0.5

R/W

0.5

L/W

1

2

D-7

10

H-22

D-7

2

H-22

2

H-18

FRT

COURTESY

LIGHT-RH

0.5

GR/W

1 5 5 2 1 A

高橋

WIRING SYSTEM

8D–241

Circuit Diagram (RHD)-2

0.5

GR/G

0.5

GR/G

0.5

GR/G

0.5

GR/G

0.5

R

0.5

R/W

0.5

R/W

DOME

LIGHT

(W/O TIMER)

5

B-6

5

H-21

9

0.85

B

2.0

B

0.5

GR/W

FRT

DOOR SW

-RH

RR

DOOR SW

-LH

RR

DOOR SW

-RH

0.5

GR/R

0.5

GR/B

0.5

GR/B

0.5

GR/B

2.0

B

B-7

1

L-3

DOME

LIGHT

(W/ TIMER)

4

H-45

2

S-1

S-1

1

H-45

5

L-3

2

A

A

ON

DOOR

OFF

B-2

B-18

BODY

-LH

BODY

-RH

2.0

B

B-26

BODY

-CTR

K-2

1

3

B-6

ALARM & RELAY CONTROL UNIT

ALARM & RELAY CONTROL UNIT

5

H-47

R-1

1

R-1

1

1

6

B-6

11

H-32

D08RW780