key ISUZU TROOPER 1995 Owners Manual

8-52 CHASSIS ELECTRICAL
CIRCUIT DIAGRAM-SOHC
FL-2 IOAKEYIW 3WIB
E"!J IP~1oj I P~71 IODV ENG. FRAME
F·IO 1SA FUEL I'UMP
0.68
F·2 lOA OXYGEN lENlOR
0.868('(
2RIW
O.SPIW
9! 0
FL-3 30AECM
12
H ·42
0.868('(
' ' '2
@
ll .. , ...,, o,
i ., z
2R/W
O.SB
15 H-"2
FUEL
~ INJECTOR
! ~~--------~
IODV·CTA II
fiiNDER·RHii
COMMON{II CHAMBER II
~~~II
FENDER·LHij
FENDER·LH II
28
0.611/Y
9! 0
;: o' '
EGA: EXHAUST GAS RECIRCULATION
Fig. 8-69
O.Slf'f
1.251110
2A/W
No.1
5 ~
• ;I ~ 3 ill H·41
i i:i 1!
lg
II

8-128 CHASSIS ELECTRICAL
DOME LIGHT, LUGGAGE ROOM LIGHT, COURTESY LIGHT,
MAP LIGHT, SEAT BELT SWITCH AND WARNING BUZZER
GENERAL DESCRIPTION
This circuit consists of the starter switch, door switch, dome light, luggage room light, courtesy lig t, map
light, seat belt switch, key remind switch and warning buzzer.
The dome
light lights up when any one of doors except the tailgate is opened with the switch set at t e door
mode. (Vehicles with a built-in timer do not have door mode.) !
The courtesy lights for the front doors are controlled by a circuit different from the one which cont ols the
courtesy
lights for the rear doors. When a door is opened, the lights on both sides in either front or r ar seat
light up.
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 swi ch key.
The
warning buzzer sounds to remind the driver of seat belt use, leaving the key in the starter sv.. tch, or
headlights were left on.
OPERATION OF THE CIRCUIT
BATIERY (+) _....,.=>..:.__ _________ =>~---------lij
l} :X: :X: ...J a: ~ ~ :X: :X: Q .....__ (.!) ...J :J
~~ ®~ II: li: :::> r----:::> 0 0 u u a: a:
a: a:
z Q r---t----,
~ Go (.!) :J w ON OFF 0 0
~ DOOR 0 '-----+------'
~----------~~~~~~~~lr-l ____________ ,_b __ +-~~~-'--~'---,~ II...... 111"""11 Ill"""' J
-:..._ -=-
RRDOORSW RRDOORSW -LH -RH
DIODE DIODE
-=­
FRTDOOR SW -RH
NOTE: Arrow marks u =:> H indicate the direction of current
Fig. 8-158
FRTDOOR W -LH (ON)
•

, ce· co I .... U1 co
(
RR
DOOR
SW
(RH)
, '-..__
RR
COURTESY LIGHT
(RH)
, ,
~
MAP
LIGHT~
FRT
DOOR
SW
(RH)
,
~,
~
,·

"·,.
FRT
COURTESY LIGHT (RH),
\\,
:~~ /,
' ;. >,I
H-21
(\
/~~

\,
SEAT
BELT,
KEY
&LIGHT
B-1,
REMIND BUZZER
~
""
~
H-12,""
RELAY & FUSE
BOX,
~
14
',,
(FL-1, FL-2)
'~
'
BATIERY
FUSE
BOX IC-10, C-16)
( DOME
LIGHT
/ 1 LUGGAGE
ROOM
LIGHT
1-9 SEATBELTWARNING
LIGHT
, TAILGATE
SW
/
RR
DOOR
SW(LH)
I(Y.£!
= /
I RR
COURTESY
LIGHT(LH)
~11
) I
FRT
DOOR
sw.
(LH)
-
I.
B-22
FRT
COURTESY LIGHT
(LH)
KEY
REMIND SW,
(STARTER
SW)
SEAT BELT
SW
(LH)
(
~ :lJ ~ r-0 0 ~ 0 2
0 :c 1:i en 0 m I""' m 0 -t ::0 cs )> I""' co I ...a N CD

, co CX) . ... Ol ...
( --.. ..
.. 0 0 0 ~
~
0 <
!:l
,;,
,;,
"'
X
,
------------------------------~
. :g :~ ,c •"' ,x . ... :~ ·-•!: om :2!
--------------------------------·
FRT
DOOR
SW-RH
O.SGR/W
2B
O.SB
O.SB/W
~ C> ~
O.SGR/W
( ,,o.J-.r.~ FRT COURTESY
UGHT-LH
FRT
COURTESY
UGHT-RH
O.SR/W
O.SR!W
RELAV;TAILI•I ITO PAGE
8-781
KEY
REMIND
SW
CST ARTER
SW1
O.SR/W O.SR/W
O.SR/W
O.SR/W O.SlJY
8 !:
0 ., "'[;] ~ .;. ,,
mf"Yl ~liJ•Ik-
lb I ill
ill?j
~~., !~
~ :~ I h
.. !!' "'
II
O.SlJY
II~ I
O.SLJV
I
~ 0
SEAT
BELT
WARNING
LIGHT
(
(") -::0 (") c =i c 5> C) ::0 )> s I CJ) :I: 0 ~ ~ :I: m
m r-to )> CJ) m I I I
() :::t )> en
en (i) m r-m () -1 :c 0 )> r-QO I ..a w ..a

8 -136 CHASSIS ELECTRICAL
MAP LIGHT SWITCH/BULB
~ INSPECTION
~~~ Check to see if there is any continuity between
the terminals and the body while operating the
map light switch.(Fig.8-171)
Repair
or replace the switch when the result of
inspection is found abnormal.
I" ~ [IT]
ron
0~/~ ~
'
~· 1 Body
n
ON 0 {)
OFF
Fig. 8-171
B REMOVAL
E) INSTALLATION
To install, follow the removal steps in the everse
order.
SEAT BELT SWITCH
~ INSPECTION
I~ l Check to see if there is any continuity b tween
the terminals of the seat belt switch. (Fig 8-173)
Replace the switch when the
result of ins ection
is found abnormal.
Switch operation
ON (unfasten the seat belt)
OFF (fasten the seat belt)
Preparation: Disconnect the battery ground cable. Fig. 8-173
Fig. 8-172
1.
Map light switch
• Pull the map light body downward to release
the
lock. (Fig. 8-172)
• Disconnect the connectors of the map light
and the sun roof switch.
2. Socket/bulb
• Turn the socket counterclockwise to remove
it.
3.
Bulb
• Pull out the bulb from the socket.
B REMOVAL AND INSTALLATION
1++1 Refer to Section 10 "BODY", for "SEAT ELT"
removal and installation steps.
WARNING BUZZER
The warning buzzer sounds to remind the dr ver to
fasten seat belts, if the key was left in the tarter
switch,
or if the headlights were left on. (Fig. -174)
Seat belt warning light
Seat belt
sw
Starter sw
8
Warning buzzer
DoorSW (Driver
side)
Fig. 8-174
..

CHASSIS ELECTRICAL 8-137
Warning function
Operational conditions
The
warning light in the meter assembly turned on about 6
seconds
from the moment the starter switch is turned on.
Fasten the seat
belt
The buzzer sounds for about 6 seconds when the starter switch
is turned on with the seat belt switch on (when the seat belt is
not used).
Key left in The
buzzer sounds when both the key remind switch and the
FRT
door switch -LH are turned on.
starter switch
To
stop the sound of the buzzer, turn on the starter switch.
Taillights left on The
buzzer sounds when the starter switch is turned
from the
"on• to "off" position while the taillights are on.

8-138 CHASSIS ELECTRICAL
~ INSPECTION
~ Inspection of the warning buzzer circuit ,,,
~ Remove the warning buzzer connector to mea-
sure the continuity and
voltage between the
harness side connector terminals. (Fig. 8-175)
~
-Harness side
Terminal Wire Connected Item to be Connecting Checking Standard color to checked terminal conditions
When Continuity
unfastened
5 L Seat belt SW Continuity 5-Ground Seat belt When No continuity
fastened
3 G/R Tail relay 3-Ground Lighting switch ON Approx. 12V
Key reminder inserted Approx. 12V
~ 4 P/L sw Voltage 4-Ground Starter
(Starter SW)
key
removed ov
6 L/Y Fuse C-10
(lOA) 6-Ground Starter switch ON Approx. 12V
Door switch open Continuity
1 GR/R (on driver's 1-Ground FRT
seat
side) Continuity door-LH No continuity closed
2 B Ground
2-Ground -Continuity
Fig. 8-175
~

B REMOVAL (FIG. 8-176)
Preparation: Disconnect the battery ground cable.
1. Dash side trim pad (RHl
' 2. Warning buzzer
Fig. 8-176
CHASSIS ELECTRICAL 8-139
1. Dash side
trim pad (RH)
2. Warning buzzer
(Peel off butyl seal to reach buzzer)
• Remove the fixing bolt.
• Disconnect the connector.
E) INSTALLATION
To install, follow the removal steps in the reverse
order.
KEY REMIND SWITCH (STARTER
SWITCH)
~ INSPECTION
I t!tl Check to see if there is any continuity between
the connector terminals of the key remind
switch. (Fig. 8-177) Repair
or replace the switch
when the result
of inspection is found abnormal.
~
6 8
n
y
LOCK Key removed
OFF
ACC Key inserted o-ro
ON
START
Fig. 8-177

8-142 CHASSIS ELECTRICAL
POWER DOOR LOCK
GENERAL DESCRIPTION
The circuit consists of the door lock (& power window) switch, door lock actuator for the front and rea door,
tailgate
lock actuator and the door lock key switch.
The
front door lock switch-LH is always provided with battery voltage. The key or the inside lock bu on on
the both driver's and the
front passenger's door can activate the lock mechanism of all the doors (in< luding
the tailgate).
When the driver's
door lock switch or the front passenger's door lock switch is turned on, current fie ws for
about one second to the door lock actuator of each door connected in parallel with the front door ock (&
power window) switch-LH to activate the actuator to lock and unlock the doors.
OPERATION OF DOOR LOCK BY DRIVER SIDE LOCK KEY SWITCH
LOCK
UNLOCK
BATTERY(+) POWER WINDOW RELAY
.....-1::::::;---'li) ~
fi ::> ~ = } TO ACTUATOR IC IE~CC (ACTUATOR OPERATES
I l lj~:.-.>+T++==-TO LOCK SIDE)
W=~~~~'l g
Jlf!
FRONT DOOR LOCK (& POWER WINDOW l SW-LH
sb2-f---+---w
U ~rh;±,i DOOR LOCK ~LfJg KEY SW-LH
u =
BATTERY(+) POWER WINDOW RELAY
,..,~T =
I IEl. )
CS ~:t-o·++ 1+==-TO UNLOCK SIDE)
IL...t=:t=~~w.~ g
~q;J
FRONT DOOR LOCK (& POWER WINDOW) SW-LH
[b =
U ~8 DOOR LOCK
~l.f} KEY SW-LH
NOTE: Arrow marks"=" indicate the direction of current.
Fig. 8-181
IIIII

"T1 !0 (X) I ... (X) N
(
RR
DOOR
LOCK
ACTUATOR
(RHI
DOOR
LOCK
KEY
SW
"-
FRT
DOOR
LOCK
& POWER
WINDOW SW
(RHI
RELAY
& FUSE
BOX (FL-11~
BATTERY
' ,,
( TAILGATE
LOCK
ACTUATOR
(LHI
RR
DOOR
LOCK
ACTUATOR
(LHI
h.=
I //If/:
I
FRT
DOOR
LOCK
& POWER
WINDOW
SW
(LHI
FRT
DOOR
LOCK
ACTUATOR
(LHI
FUSE
BOX
(C-181
(
~ ~ r-0 n ~ 0
2
(") J: )> en
en (i) m r­m ~ :a g r­eo I ...a t