fuse ISUZU TROOPER 1995 Workshop Manual

CHASSIS ELECTRICAL 8-301
3. VOLTMETER
3-1 VOLTMETER NEEDLE DOES NOT MOVE ._..,
3-2 VOLTAGE READING IS TOO LOW {OR HIGH)
• IS THE METER ASSEMBLY CONNECTOR~ SECURELY CONNECTED?
I
YES I NO I
I
• DISCONNECT THE METER ASSEMBLY CONNECTORS~ AND(IiQJ
CONNECT THE CONNECTOR SECURELy I
• TURN ON THE STARTER SWITCH
• IS THE BATTERY VOLTAGE APPLIED BETWEEN THE HARNESS
SIDE CONNECTORS 14(m AND 4 ~ OF THE METER
ASSEMBLY?
I
YES I NO l
I
• IS THERE A OPEN CIRCUIT IN THE PRINTED CIRCUIT OF THE REPAIR A POOR CONNECTION OF THE CONNECTORS METER ASSEMBLY? OR A OPEN CIRCUIT IN T~IRCUIT BETWEEN THE
FUSE C-10 (10A) AND 14 1-9 I' OR THE CONNECTORS 4 [@] AND 4 C-39
I
YES ] NO I
I
REPLACE THE PRINTED CIRCUIT BOARD I CHECK THE VOLTMETER AND REPLACE IT A IF
NECESSARY (REFER TO THE CHECKING OF THE
VOLTMETER
IN THIS SECTION)

'"T1 ce· 0) I w (0 .....
(
ANTI-THEFT
CONTROLLER
RELAY;
TAIL
RELAY
& FUSE
BOX
\
(FL-
1, FL-2,
F-12)
""'

BATIERY
H-41
H-12 H-14
(
STARTERSW

111
1 l
I
I
\V
H-8
B-19
FUSE
BOX
IC-3)
B-12 A/T
SHIFT
INDICOTOR
CONTROL
UNIT
(
~ :a ~ r-0 n ~ -0 2
~ ln (I) c;; m r-·~ ;I ~ 00 I ~ ....

'"T1 cO' co w (
RELAY
& FUSE
BOX
(FL-11
RELAY:
NC
COMPRESSOR
BLOWER
MOTOR
RELAY:
NCTHERMOSTAT
,,-;~
H-42'
NC:
AIR
CONDITIONING
(
PRESSURE
SW
RECEIVER
DRIER
B-19
FUSE
BOX
(C-19,
C-201
B-36 RELAY;
HEATER
& NC
NCSW FAN
SW
AND
HEATER
BEZEL
ILLUMINATION
LIGHT
(
MAGNETIC
CLUTCH
INC
COMPRESSOR)
;g ::0 ~ r-0 0 ~ 0 2
n :::J: )> en en Cii m r­m ~ ::u n )> r-eo I w ~ ...a

"'TI ce· (X) I "" 0 0
(
RELAY
& FUSE
BOX
IFL-1,
FL-2)
H-14
BATTERY
' -
,¢_
( SUN
ROOFSW
LIMITSW
SUN
ROOF
CONTROL
UNIT
SAFETY
STOP
SW
I " B-37 RELAY:
POWER
WINDOW,
SUN
ROOF
B-42 CIRCUIT
BREAKER
(
~ ::a -1 en r-0 (") ~ 0 2
0 :I: )> CJ) CJ) c;; m r­m ~ ::D ~ r-eo I w .,. -..I

8 -350 CHASSIS ELECTRICAL
DIAGNOSIS
QUICK CHART FOR CHECK POINTS
~
Fuse Power Sun Sun
Sun Safety Cable
C/B-2 win-roof Limit
(30A) C-4 dow roof control roof stop switch har-
(10A) relay switch unit motor switch
ness T
1. Sun roof does 0 (2) 0 (4) 0 (3) 0 (1) not open
2. Sun roof does 0 (2) 0 (4) 0 (3) 0 (1) not close
3. Safety stop
mechanism
does
not operate before 0(3) 0 (1) 0 (2)
sun roof closes completely
4. Limit switch mechanism
does
not operate before 0 (3) 0 (1) 0 (2)
sun roof open completely
5. power source circuit 0 (1) 0 (2) 0 (3) 0 (4)
diagnosis
NOTE: Figure in parenthesis
"( )" indication the order of inspection.
Ill

CHASSIS ELECTRICAL 8-353
5. POWER SOURCE CIRCUIT DIAGNOSIS
• IS THERE ANY CONTINUITY BETWEEN THE TERMINALS
OF C/B-2 130Al?
I
YES I NO I
I
• IS FUSE C-4 (10Al NORMAL? I PUSH IN THE RESET BUTION OF CIRCUIT BREAKER
AND CHECK THE CONTINUITY AGAIN. IF THERE IS NO CONTINUITY AFTER PUSHING RESET BUTION, REPLACE IT WITH NEW ONE.
I
YES I NO I
I
• IS THE POWER WINDOW RELAY NORMAL? I REPLACE THE FUSE I
I
YES I NO I
I
• TURN THE STARTER SWITCH ON REPLACE THE RELAY I
• IS BATIERY VOLTAGE APPLIED BETWEEN 1 I B-371 AND THE GROUND, 2 IB-371 AND THE GROUND?
1
YES I NO I
I
• IS IB-191 GROUNDED SECURELY? I REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN FUSE C-4 (10A)-
1 IB-371 OR 1 IH-141 -2 IB-371
I
YES I NO I
I
REPAIR A POOR CONNECTION OF THE CONNECTORS GROUND IT SECURELy I
OR AN OPEN CIRCUIT BETWEEN 3 IB-371 -IB-191

:!! cc 00 I ~ ..... 00
(
RELAY
& FUSE
BOX
(fl-1)
H-14
BATIERY
/
'--#-
(
SLIDE
MOTOR
(
RRTILTMOTOR
FRT
TILT
MOTOR
RECLINER
SWITCH
FUSE
BOX
;g :a ~ r-0 0 ~ 0 z
(') J: ):lo en
en (ii m r­m ~ ::D 0 ):lo r-eo I w Q) ~

, cE" 00 I ~ ~ (
SEAT
HEATER·BACK
IRHI,
',
SEAT
HEATER
SW
IRHI
"·
SEAT
HEATER-CUSHION
(RHI
RELAY
& FUSE
BOX
IFL-1,
FL-21
H-14
BATTERY
/ '
#..
(
(
SEAT
HEATER-BACK
ILHI
SEAT
HEATER-CUSHION
(lH)
SEAT
HEATER
SW
ILHI
FRONT
CONSOLE
ASSEMBLY
~ ~ r-0 0 ~ -0 2
n ::t 1: (/) c;; m r­m ~ ::D 0 )> r-01) I w ..... C1l

8-378 CHASSIS ELECTRICAL
DIAGNOSIS
QUICK CHART FOR CHECK POINTS
~
Seat heater SW Heat unit Fuse C-2 Cable
(15A)
Driver side Passenger
Driver side Passenger
harness
e side side
1. Seat heater
on both sides 0 0 does not heat
up (1) (2)
2. Seat heater on the driver 0 0 0 0 0 (or
passenger) side does
not heat up (2) ((2)) (3) ((3))
( 1)
3. Heat (or keep) position 0 0 0 0 does
not heat up
( 1) ( ( 1)) (2) ((2))
NOTE: Figure in parenthesis "( )" indicates the order of inspection.
1. SEAT HEATER ON BOTH SIDES DOES NOT HEAT UP
• IS FUSE C-2 (15A) NORMAL? I
I
I
YES I
l
• IS ~ GROUNDED SECURELY? I
l
l
YES I
I
REPAIR A POOR CONNECTION AT CONNECTORS OR AN
OPEN CIRCUIT BETWEEN C-2 (15A) AND 21 B-311 (2 I B-291)
I
I NO I
I
l REPLACE THE FUSE I
I
I NO I
I
l GROUND IT SECURELY J

(
PASSENGER
INFLATOR
MODULE
H-14
RELAY
& FUSE
BOX
H-50
(Fl-l,FL-21
"T1 ce·
BATTERY
00 I .J>. ~
C-49
FORWARD
SENSOR
(RHI
FORWARD
SENSOR
(LHI
(
(
SRS
COIL
ASSEMBLY
DRIVER
INFLATOR
MODULE
FUSE
BOX
(C-1,C-21,C-22,C-23,C-241
C-48
CONDENSOR
!NCI
;g ~ r-0 0 ~ -0 2
0 ::t ):lo en
en c;; m r­m 0 -t :a ~ r-eo I w co w