Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1546

8-284 ELECTRICAL-BODY AND CHASSIS

INSPECTION AND REPAIR

Harness side

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.

Terminal

No.

Wire

color

Connecting to

Check item

Connecting

terminal

Check condition

Standard

Door lock SW

Driver seat

Lock

Continuity

(Lock)

side door

Unlock

No continuity

Door lock SW

Driver seat

Lock

No continuity

(Unlock)

side door

Unlock

Continuity

5

B

Ground

Continuity

5-Ground

-

Continuity

6

L/Y

Door lock

actuator (Lock)

(Resistance)

6-8

-

Continuity

There is some

resistance

8

Y/G

Door lock

actuator

(Unlock)

8-6

-

Continuity

There is some

resistance

9

LG/W

Fuse

CB-15 (20A)

Voltage

9- Ground

-

Battery voltage

(Approx. 12V)

3-Ground

R/W

3

4-Ground

LG/R

4

ELECTRICAL-BODY AND CHASSIS 8-285

Switch side

2. Switch Side Connector Circuit

Remove the switch connector, and check continuity and

voltage between the switch connector terminals.

(Connect the (+) terminal of the battery to 9

D-5

and the

(-) terminal to 5

D-5

.)

5

D-5

- 6

D-5

. . . . .. Continuity

5

D-5

- 8

D-5

. . . . .. Continuity

(Then, ground 3

D-5

.)

6

D-5

. . ... Current flow for approx. 1 second

(Disconnect the ground of 3

D-5

, and ground 4

D-5

.)

8

D-5

. . ... Current flow for approx. 1 second

Harness side

3. Door Lock Operation Test

After confirming that there is continuity between the switch

harness side connector terminals 6

D-5

and 8

D-5

,

apply the battery voltage to each of the terminals to conduct

the operation test.

When the door lock will not operate, check the door lock

actuator for any trouble.

Connecting terminals

8 (Y/G)

6 (L/Y)

+

-

Unlock

-

+

Lock

Operation

8-286 ELECTRICAL-BODY AND CHASSIS

Switch side

Driver’s Side Door Lock Switch

1. Switch Side Connector Circuit

Check continuity between the switch connector terminals

Terminal No.

SW position

1

2

3

Lock

Unlock

Actuator side

Front Passenger’s Side Door Lock Actuator

1. Actuator Side Connector Circuit

Apply the battery voltage to the actuator connector terminals

to check the operation.

When the door lock actuator is checked on the vehicle and

there is no continuity, and when the door lock actuator itself

is checked and no trouble is found, check the circuit

between the door lock actuator and the driver seat side

power window & door lock switch for any failure.

Connecting terminals

2

4

+

-

Lock

-

+

Unlock

Operation

Actuator side

Rear Door Lock Actuator -LH & RH

1. Actuator Side Connector Circuit

Apply the battery voltage to the actuator connector terminals

to check the operation.

When the door lock actuator is checked on the vehicle and

there is no continuity, and when the door lock actuator itself

is checked and no trouble is found, check the circuit

between the door lock actuator and the driver seat side

power window & door lock switch for any failure.

Connecting terminals

1

3

-

+

Lock

+

-

Unlock

Operation

ELECTRICAL-BODY AND CHASSIS 8-287

POWER WINDOW

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