1998 ISUZU TROOPER door lock

WIRING SYSTEM 8DÐ249
Circuit Diagram (South Africa W/Keyless Entry)-2
3 3 1
1 22 7
4
7
1 315 1415 142 1
1 22 7
0.5
B 0.5
B 0.5
L/Y0.5
LG/R0.5
LG/R 0.5
L/Y
1.25
BD-17H-19
H-19
D-17 D-17
H-23D-8D-8 D-8H-23 H-23
D-14 D-14
11 7
B-20 B-20
D-14
H-19
B-1 H-18 H-18 H-22 H-22 D-30 D-30
D-5
B-18
BODY-RH 1.25
B 1.25
B0.5
LG 0.3
LG/L0.5
LG/R
0.5
LG/R
1.25
B 0.3
LG/L
0.3
LG/L 0.5
LG/R 0.3
LG/L
2.0
B
BODY-LH
DOOR LOCK
KEY SW-LH DOOR LOCK
KEY SW-RHLOCK UNLOCKLOCK UNLOCK
LOCK
UNLOCK
LOCK UNLOCK
FRT DOOR LOCK &
POWER WINDOW
SW-LH
B
1
ANTI-THEFT &
KEYLESS ENTRY
CONTROL UNIT FRT DOOR LOCK & POWER WINDOW SW-RH
A
BA
D08RW763

WIRING SYSTEM 8DÐ251
Circuit Diagram (LHD)-1
M
M
M
M
M
FRT DOOR LOCK
ACTUATOR-LHFRT DOOR LOCK
ACTUATOR-RHRR DOOR LOCK
ACTUATOR-LHRR DOOR LOCK
ACTUATOR-RHTAIL GATE
ACTUATOR
24 24 2463
24 63
42 28 15 13
35 3 9
8
10 78
5
1.25
LG 1.25
LG 1.25
LG 1.25
LG 5.0
W
1.25
LG/W
1.25
LG/W2.0
L/B
1.25
LG/B
1.25
LG1.25
LG/B1.25
LG1.25
LG/B 1.25
LG1.25
LG/B1.25
LG1.25
LG/B 1.25
LG1.25
LG/B1.25
LG1.25
LG/B
1.25
LG1.25
LG/B 1.25
LG1.25
LG/B 1.25
LG1.25
LG/B 1.25
LG/B1.25
LG/B 1.25
LG/B
D-9 D-9 D-19 D-19 D-21 D-21H-28H-28
D-26 D-26 H-34 H-34
15 13410
H-32
H-32H-47 H-47
G-4 G-4 H-38 H-38 H-32 H-32
H-19 H-19 H-23 H-23D-5
D-5 D-5D-5
H-23 LOCK UNLOCK BATT. (+)
C-18 20A
DOOR LOCK
FRT DOOR LOCK &
POWER WINDOW SW-LHFRT DOOR LOCK &
POWER WINDOW SW-LH
POWER WINDOW
RELAY (4)
D08RW884

8DÐ252 WIRING SYSTEM
Circuit Diagram (LHD)-2
3 3 7
1 2 4
7
1 32 142 142 1
1 2
1 0.5
B 0.5
B 0.5
L/Y 0.5
LG/L
0.5
LG/R
1.25
B0.5
LG/R 0.5
LG/L
0.5
L/Y1.25
B
1.25
BD-8D-81 D-5
D-8
H-23 D-17D-17 D-17 D-14 D-14
D-14
H-19
B-1 H-18 H-19 H-22 H-23 D-30 D-30
H-19
7
H-23
B-18
BODY-LH 1.25
B 1.25
B0.5
LG/R 0.3
LG/L0.5
LG/R 0.5
LG/L0.5
LG/R 0.3
LG/L
BODY-RH
DOOR LOCK
KEY SW-LH DOOR LOCK
KEY SW-RHLOCK UNLOCKLOCK UNLOCK
LOCK
UNLOCK
LOCK UNLOCKFRT DOOR LOCK &
POWER WINDOW
SW-RH
FRT DOOR LOCK & POWER WINDOW SW-LH
D08RW885-1

WIRING SYSTEM 8DÐ253
Circuit Diagram (LHD W/Keyless Entry)-1
M
M
M
M
M
FRT DOOR LOCK
ACTUATOR-LHFRT DOOR LOCK
ACTUATOR-RHRR DOOR LOCK
ACTUATOR-LHRR DOOR LOCK
ACTUATOR-RHTAIL GATE
ACTUATOR
24 24 2415 13
24 410
42 28 15 13
35 9
8
10 78
1.25
LG
1.25
LG/B1.25
LG/B1.25
LG 1.25
LG 1.25
LG 5.0
W
1.25
LG/W
1.25
LG/W2.0
L/B
1.25
LG/B1.25
LG1.25
LG/B1.25
LG1.25
LG/B
1.25
LG1.25
LG/B1.25
LG1.25
LG/B 1.25
LG1.25
LG/B1.25
LG1.25
LG/B
1.25
LG1.25
LG/B 1.25
LG1.25
LG/B 1.25
LG1.25
LG/B 1.25
LG/B 1.25
LG/B1.25
LG/B
D-9 D-9 D-19 D-19 D-21 D-21H-32 H-32
D-26 D-26 H-47 H-47
6363
H-28H-28H-34 H-34
G-4 G-4 H-38 H-38 H-32 H-32
H-23H-19
H-19
6
5
1.25
LG
H-233H-23
13
H-22
H-23D-5
D-5 D-5D-5 LOCK UNLOCK BATT. (+)
C-18 20A
DOOR LOCK
FRT DOOR LOCK &
POWER WINDOW SW-RHFRT DOOR LOCK &
POWER WINDOW SW-LH
POWER WINDOW
RELAY (4)
D08RW886

8DÐ254 WIRING SYSTEM
Circuit Diagram (LHD W/Keyless Entry)-2
3 3 1
1 22 7
4
7
1 315 1415 142 1
1 22 7
0.5
B 0.5
B 0.5
L/Y0.5
LG/R0.5
LG/R 0.5
L/Y
1.25
BD-17H-19
H-19
D-17 D-17
H-23D-8D-8 D-8H-23 H-23
D-14 D-14
5 15
B-22 B-22
D-14
H-19
B-1 H-18 H-18 H-22 H-22 D-30 D-30
D-5
B-18
BODY-LH 1.25
B 1.25
B0.5
LG 0.3
LG/L0.5
LG/R
0.5
LG/R
1.25
B 0.3
LG/L
0.3
LG/L 0.5
LG/R 0.3
LG/L
2.0
B
BODY-RH
DOOR LOCK
KEY SW-RH DOOR LOCK
KEY SW-LHLOCK UNLOCKLOCK UNLOCK
LOCK
UNLOCK
LOCK UNLOCK
FRT DOOR LOCK &
POWER WINDOW
SW-RH
B
1
ANTI-THEFT &
KEYLESS ENTRY
CONTROL UNIT FRT DOOR LOCK & POWER WINDOW SW-LH
A
BA
D08RW887

8DÐ256 WIRING SYSTEM
Diagnosis
Quick Chart for Check Points
Trouble modeCheck point
All the doors do not lock
and unlock by door lock
SW-Driver's sideFuse
(C-18 20A)FRT Door
lock
(& power
window)
SW-
Driver's
side
Door lock
switch
FRT–
Driver's
sideDoor lock
switch
FRT–
Passen-
ger's sideDoor lock actuator
FRT–LH FRT–RH RR–LH RR–RH TailgateCable
harness
All the doors do not get
locked (or unlocked) by
door lock SW-Passenger's
side
FRT door–LH does not get
locked (or unlocked)
FRT door–RH does not get
locked (or unlocked)
RR door–LH does not get
locked (or unlocked)
RR door–RH does not get
locked (or unlocked)
Tailgate does not get
locked (or unlocked)
Door lock does not operate
when operated from the
door lock key SW-Driver's
side
Door lock does not operate
when operated from the
door lock key SW-
Passenger's side
1.
2.
3.
4.
5.
6.
7.
8.
9.
FRT Door
lock
(& power
window)
SW-
Passen-
ger's side

WIRING SYSTEM 8DÐ257
1. All The Doors Do Not Lock And Unlock By Door Lock SW-DriverÕs Side
YES
·IS B-18 GROUNDED SECURELY?
YES
REPLACE THE FUSE
NO
·IS FUSE C-18 (20A) NORMAL?
·
·DISCONNECT THE DOOR LOCK SW-DRIVER'S SIDE
CONNECTOR
IS BATTERY VOLTAGE APPLIED BETWEEN 10 D-5
AND GROUND?GROUND B-18 SECURELY
NO
YES
·IS THERE ANY CONTINUITY BETWEEN 1 D-5
AND B–18REPAIR A POOR CONNECTION AT CONNECTORS
OR AN OPEN CIRCUIT BETWEEN FUSE C-18 (20A)
AND 10 D-5
NO
YES
REPAIR OR REPLACE THE FRT DOOR LOCK & POWER WINDOW
SW-DRIVER'S SIDEREPAIR A POOR CONNECTION OF CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 1 D-5 AND
B-18
NO

8DÐ258 WIRING SYSTEM
2. All The Doors Do Not Get Locked (Or Unlocked) By FRT Door Lock
SW-PassengerÕs Side
YES
·CHECK THE DOOR LOCKING CONDITION BY
DOOR LOCK SW-DRIVER'S SIDE
·IS THE CONTINUITY IN THE FRT DOOR LOCK SW-
PASSENGER'S SIDE NORMAL?
NO
REFER TO ITEM NO. 1 IN THIS DIAGNOSIS
YES
·IS B-1 GROUNDED SECURELY?
NO
REPAIR OR REPLACE THE DOOR LOCK SW-
PASSENGER'S SIDE
YES
REPAIR A POOR CONNECTION OF CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 2 D-30 AND 4 D-14
OR 1 D-30 AND 3 D-14
NO
GROUND B-1 SECURELY
3. FRT DoorÐLH Does Not Get Locked (Or Unlocked)
4. FRT DoorÐRH Does Not Get Locked (Or Unlocked)
5. RR DoorÐLH Does Not Get Locked (Or Unlocked)
6. RR DoorÐRH Does Not Get Locked (Or Unlocked)
7. Tailgate Does Not Get Locked (Or Unlocked)
REPLACE THE DOOR LOCK ACTUATOR