Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 1338

8–272 ELECTRICAL-BODY AND CHASSIS

3.

Driver’s side door does not get locked (or unlocked)

Checkpoint

Trouble Cause

Countermeasure

4.

FRT passenger’s side door does not get locked (or unlocked)

7.

Door lock does not operate when operated from the driver’s seat side

Actuator malfunction

Replace the FRT
passenger’s side door lock
actuator 

FRT passenger’s side door
lock actuator function

NG

5.

RR door-RH does not get locked (or unlocked)

Actuator malfunction

Replace the RR door lock
actuator-RH

RR door lock actuator-RH
function

NG

6.

RR door-LH does not get locked (or unlocked)

Actuator malfunction

Replace the RR door lock
actuator-LH

RR door lock actuator-LH
function

NG

SW. malfunction

Replace the door lock SW.

Door lock SW. function

NG

Poor grounding point
contact

Repair grounding point 
( B-28 ) contact

Grounding point ( B-28 )

SW. malfunction

Replace the door lock SW.

Continuity between the
door lock SW. side
connector terminals 1  D-4
and 2  D-4 when the SW
is locked and between 
3 D-4 and 2  D-4 when
the SW. is unlocked

OK

NG

NG

ELECTRICAL-BODY AND CHASSIS 8–273

REMOVAL AND INSTALLATION

DRIVER SEAT SIDE POWER WINDOW & DOOR
LOCK SWITCH

Removal

1. Remove the switch by pushing the spring with the tip

of a screwdriver.

2. Disconnect the connector.

Switch

825RV089

Installation

To install, follow the removal steps in the reverse order.

DRIVER’S SIDE DOOR LOCK SWITCH

Removal

1. Door Lock ASM

•

Refer to the removal steps of the DOORS in
Section 10 “BODY”.

2. Door Lock Switch

Connector

Door lock
switch

825RV056

Installation

To install, follow the removal steps in the reverse order.

This illustration is based on 2 doors model

8–274 ELECTRICAL-BODY AND CHASSIS

FRT PASSENGER’S SIDE DOOR LOCK
ACTUATOR 

Removal

1. Door Lock ASM

•

Refer to the removal steps of the DOORS in
Section 10 “BODY”.

2. Door Lock Actuator

•

Remove the actuator fixing bolts.

•

Disconnect the door lock link rod.

•

Disconnect the actuator connector.

Door lock
actuator

825RV057

Installation

To install, follow the removal steps in the reverse order.

RR DOOR LOCK ACTUATOR-LH & RH 

Removal

1. Door Lock ASM

•

Refer to the removal steps of the DOORS in
Section 10 “BODY”.

2. Door Lock Actuator

•

Remove the actuator fixing bolts.

•

Disconnect the door lock link rod.

•

Disconnect the actuator connector.

Door lock
actuator

825RV097

Installation

To install, follow the removal steps in the reverse order.

ELECTRICAL-BODY AND CHASSIS 8–275

INSPECTION AND REPAIR

Driver Seat Side Power Window & Door Lock Switch

1. Harness Side Connector Circuit

Check voltage and continuity between the switch
harness side connector terminals as shown in the
following table.

10

9

8

7

6

5

4

3

2

1

Harness side

D-5

Terminal

Wire

Connecting to

Check Connecting

Check condition

Standard

No.

color

item

terminal

3

R/W

Door lock SW

3-Ground

Driver seat

Lock

Continuity

(Lock)

side door

Unlock

No continuity

4

LG/R

Door lock SW

4-Ground

Driver seat

Lock

No continuity

(Unlock)

side door

Unlock

Continuity

5

B

Ground

5-Ground

—

Continuity

Door lock

Continuity

6

L/Y

actuator

6 – 8

—

There is 

(Lock)

some

(

resistance

)

Door lock

Continuity

8

Y/G

actuator

8 – 6

—

There is 

(Unlock)

some

(

resistance

)

9

LG/W

Fuse

Voltage

9- Ground

—

Battery voltage

CB-15 (20A)

(Approx. 12V)

Continuity
(Resistance)