Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 1337

8–268 ELECTRICAL-BODY AND CHASSIS

PARTS LOCATION (RHD)

H-7

B-28

H-10

H-9

H-13

D-9

D-4

D-5

H-16

H-14

D-14

D-18

D08RVA39

ELECTRICAL-BODY AND CHASSIS 8–269

CIRCUIT DIAGRAM 

D08RV734

1.25L/Y

P - 2

MAIN
80A OR 100A

D-5

D-5

D-5

D-5

D-5

D-4

D-4

H-10

D-14

D-14

H-14

H-14

D-18

D-18

D-9

D-9

M

M

H-13

P - 1

P - 5

+

_

P - 10

30B/Y

ENG.

FRAME

5B/Y

P - 7

15B/R

3W

3W

CB-15
20A  DOOR  LOCK

9

9

6

8

4

3

D-5

5

D-4

2

0.5B

H-10

3

1.25LG/R

1.25R/W

2B

2B

2B

3

1

UNLOCK

LOCK

DOOR  LOCK  SW

BODY-LH

LOCK

UNLOCK

1.25L/Y

1.25Y/G

11

10

1.25L/Y

1.25Y/G

1.25L/Y

1.25Y/G

1.25Y/G

1.25L/Y

1.25Y/G

5

20

12

H-16

H-16

6

7

6

7

1.25L/Y

1.25Y/G

1.25L/Y

1.25L/Y

1.25Y/G

1.25Y/G

2

4

3

1

3

1

FRT  DOOR  LOCK

ACTUATOR

-PASSENGER

RR  DOOR  LOCK

ACTUATOR-RH

RR  DOOR  LOCK

ACTUATOR-LH

1.25LG/W

1.25LG/W

H-13

6

M

POWER WINDOW  AND  DOOR LOCK SW-DRIVER

H-10

H-10

3

H-7

B-28

BODY-RH

B-28

(RHD)

IGN B2
40A

H-9

H-9

5

(RHD)

H-7

8–270 ELECTRICAL-BODY AND CHASSIS

TROUBLE SHOOTING

QUICK CHART FOR CHECK POINTS

Check Points

Power Window

Door Lock

Fuse

& Door Lock

Switch

Door Lock Actuator

CB-15

Switch

Cable

(20A)

Harness

Driver’s

Driver’s

Passenger’s

RR-RH

RR-LH

Trouble Mode

side

side

side

1. All the doors do not lock 

and unlock

●

●

●

●

●

●

2. All the doors do not get

locked (or unlocked)

●

●

●

●

3. Driver’s side door does 

not get locked (or 

●

●

●

●

unlocked)

4. FRT passenger’s side door 

does not get locked (or 

●

●

●

●

unlocked)

5. RR door-RH does not get

●

●

●

●

locked (or unlocked)

6. RR door-LH does not get

●

●

●

●

locked (or unlocked)

7. Door lock does not 

operate when operating

●

●

●

●

from the driver’s seat side

ELECTRICAL-BODY AND CHASSIS 8–271

1.

All the doors do not lock and unlock

Checkpoint

Trouble Cause

Countermeasure

Poor fuse contact or blown

Reinstall or replace the fuse
No. CB-15 (20A)

Fuse No. CB-15 (20A, Fuse
box)

NG

Poor grounding point
contact

Repair grounding point 
( B-28 ) contact

Grounding point ( B-28 )

NG

OK

Open circuit or poor
connector contact

Repair open circuit or
connector contact

Voltage between the
driver’s side power window
& door lock SW harness
side connector terminal 
9 D-5 and the ground
(Should be battery voltage
present)

NG

OK

Open circuit or poor
connector contact

Repair open circuit or
connector contact

Continuity between 5 D-5
and B-28

NG

OK

SW. malfunction

Replace the driver’s side
power window & door lock
SW.

Driver’s side power window
& door lock SW.  function

NG

OK

Open circuit or poor
connector contact

Repair open circuit or
connector contact

Continuity between the
driver’s side power window
& door lock SW  harness
side connector terminals 
6 D-5 and 

8 D-5

SW. malfunction

Replace the driver’s side
power window & door lock
SW.

Driver’s side power window
& door lock SW. function

OK

NG

NG

2.

All the doors do not get locked (or unlocked)