1995 ISUZU TROOPER Workshop Manual

"'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

8-348 CHASSIS ELECTRICAL
CIRCUIT DIAGRAM
+
E!JI'·1oiE2] BODY ENG. FRAME
811/R
.. ... 0
..
s
BODY·LHII~
C/8·2 30A POWER WINDOW, 8t SUN ROOF, P/SEAT 1
O.SB
SUNROOF CONTROL UNIT
0.58
• H
BODY·RHII B-1~--------------------------------------~2~8~----------------------------~
Fig. 8-401

CHASSIS ELECTRICAL 8-349
CONNECTOR LIST
~ I B-111 I B-191 I s-421
r I
~ e
~II I i I I~ i !
11
1 ~ I I] alJ
{ 111 1211 8 -u--=--u
I B-371 I H-141 I H-211
I I
I I
6±8
~ i 6
~
4
2
I H-231 I H-451 [ill
I I I I I I
_r=1_
• Ia •
~
~m;rrrm!rn~ r@Jrm 615 m~ 6
~~ [EJ[EJ[EJ I P-10 I mJ [E]
r l I I
~ :::::c=J::Q) ICQ) -
m
I
~ ~
[E] [E]
!IJ
EWE 6
Fig. 8·402

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 8-351
1. SUN ROOF DOES NOT OPEN
2. SUN ROOF DOES NOT CLOSE
• TURN THE STARTER SWITCH ON
• IS BATTERY VOLTAGE APPLIED BETWEEN 21 S-41 AND THE GROUND?
I
YES I NO J
I
• IS ~GROUNDED SECURELY? I REFER TO ITEM No.5 uPOWER SOURCE
CIRCUIT DIAGNOSISu IN THIS DIAGNOSIS
I
YES I NO I
I
• IS THE SUN ROOF SWITCH NORMAL? I GROUND IT SECURELY I
I
YES j NO I
I
• IS THERE ANY CONTINUITY BETWEEN 3 ~-1 ~ REPAIR OR REPLACE THE SWITCH I lSI s-si-3[BJl?
I
YES I NO I
I
• IS THERE ANY CONTINUITY BETWEEN 2 [BJ-~? REPAIR A POOR CONNECTION OF THE CONNECTORS OR AN OPEN CIRCUIT IN THE CIRCUIT
I
YES I NO I
I
• CONNECT THE BATTERY(+) TERMINAL TO THE SUN REPAIR A POOR CONNECTION OF THE CONNECTORS
ROOF MOTOR SIDE CONNECTOR TERMINAL
1 ~ OR AN OPEN CIRCUIT IN THE CIRCUIT
(2 ~I AND THE(-) TERMINAL TO 2 ~ (1 S-3 I
• DOES THE MOTOR ROTATE?
I
YES I NO I
I
• IS THERE ANY CONTINUITY BETWEEN THE HARNESS REPAIR OR REPLACE THE MOTOR I SIDE CONNECTOR TERMINALS 1 ~-21 S-31 ?
I
YES I NO I
I
• IS THERE ANY CONTINUITY BETWEEN 4 ~-~ ? REPAIR A POOR CONNECTION OF THE CONNECTORS
0
OR AN OPEN CIRCUIT IN THE CIRCUIT

8-352 CHASSIS ELECTRICAL
~
I
I YES I
I
I REPLACE THE CONTROL UNIT I
I
NO I
I
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
3. SAFETY STOP MECHANISM DOES NOT OPERATE
BEFORE
SUN ROOF CLOSES COMPLETELY
• IS THE CONTINUITY IN THE SAFETY STOP SWITCH
NORMAL?
i
YES I
• IS THERE ANY CONTINUITY BETWEEN 5 ~ - 3 ~? I
YES I
REPAIR AN OPEN CIRCUIT BETWEEN 1 ~AND THE GROUND OR GROUND IT SECURELY
~~------------~
I REPAIR OR REPLACE THE SWITCH
I NO ,___.
!I REPAIR A POOR CONNECTION OF THE CONNECTORS OR AN OPEN CIRCUIT IN THE CIRCUIT
4. LIMIT SWITCH MECHANISM DOES NOT OPERATE
BEFORE
SUN ROOF OPEN COMPLETELY
• IS THE CONTINUITY IN THE LIMIT SWITCH NORMAL?
~ + ~ I
• IS THERE ANY CONTINUITY BETWEEN 5 ~-3 ~? i
REPAIR A POOR CONNECTION OF THE CONNECTORS OR AN OPEN CIRCUIT BETWEEN 11liJ-~
REPAIR OR REPLACE THE SWITCH
REPAIR
A POOR CONNECTION OF THE CONNECTORS OR AN OPEN CIRCUIT IN THE CIRCUIT I
..

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