Lexus GS300/400 (2000 year). Manual — part 42

BE0HR–04

I04116

I04132

I04133

4

2

–

BODY ELECTRICAL

POWER DOOR LOCK CONTROL SYSTEM

BE–131

2432

INSPECTION

1.

Master switch:
INSPECT DRIVER’S DOOR LOCK CONTROL SWITCH
CONTINUITY

Switch position

Tester connection

Specified condition

LOCK

5 – 16

Continuity

OFF

–

No continuity

UNLOCK

16 – 17

Continuity

If continuity is not as specified, replace the switch.
2.

Master switch:
INSPECT DRIVER’S DOOR LOCK CONTROL SWITCH
CIRCUIT
(See page

DI–866

)

3.

INSPECT PASSENGER’S DOOR LOCK CONTROL
SWITCH CONTINUITY

Switch position

Tester connection

Specified condition

LOCK

2 – 3

Continuity

OFF

–

No continuity

UNLOCK

1 – 2

Continuity

If continuity is not as specified, replace the switch.
4.

INSPECT PASSENGER’S DOOR LOCK CONTROL
SWITCH CIRCUIT
(See page

DI–898

)

5.

INSPECT PASSENGER’S DOOR LOCK CONTROL
SWITCH ILLUMINATION

Connect the positive (+) lead from the battery to terminal 4 and
the negative (–) lead to terminal 2, and check that the indicator
light lights up.
If operation is not as specified, replace the switch.

I05185

UNLOCK

LOCK

3

5

6

Front left side:

I05183

1

2

4

LOCK

UNLOCK

Front right side

I04136

3

4

UNLOCK

<Example Front left side>

BE–132

–

BODY ELECTRICAL

POWER DOOR LOCK CONTROL SYSTEM

2433

6.

Front left side door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CONTINUITY

Switch position

Tester connection

Specified condition

LOCK

3 – 5

Continuity

OFF

–

No continuity

UNLOCK

3 – 6

Continuity

If continuity is not as specified, replace the switch.
7.

Front left side door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CIRCUIT
(See page

DI–872

)

8.

Front right side door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CONTINUITY

Switch position

Tester connection

Specified condition

LOCK

2 – 4

Continuity

OFF

–

No continuity

UNLOCK

1 – 4

Continuity

If continuity is not as specified, replace the switch.
9.

Front right side door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CIRCUIT
(See page

DI–904

)

10.

Front door:
INSPECT DOOR UNLOCK DETECTION SWITCH CON-
TINUITY

Switch position

Tester connection

Specified condition

OFF (Door Lock set to

LOCK)

–

No continuity

ON (Door Lock set to

UNLOCK)

3 – 4

Continuity

If continuity is not as specified, replace the switch.

I05184

<Example Rear left side>

3

4

1

2

UNLOCK

I04138

1

2

1

2

–

BODY ELECTRICAL

POWER DOOR LOCK CONTROL SYSTEM

BE–133

2434

11.

Front door:
INSPECT DOOR UNLOCK DETECTION SWITCH CIR-
CUIT
Driver side: (See page

DI–870

)

Passenger side (See page

DI–902

)

12.

Rear door:
INSPECT DOOR UNLOCK DETECTION SWITCH CON-
TINUITY

Switch position

Tester connection

Specified condition

OFF (Door Lock set to

LOCK)

–

No continuity

ON (Door Lock set to

UNLOCK)

3 – 4 (Left side)

1 – 2 (right side)

Continuity

If continuity is not as specified, replace the switch.
13.

Rear door:
INSPECT DOOR UNLOCK DETECTION SWITCH CIR-
CUIT
Rear LH side (See page

DI–932

)

Rear RH side (See page

DI–949

)

14.

Front left side door:
INSPECT DOOR LOCK MOTOR OPERATION

(a)

Connect the positive (+) lead from the battery to terminal
1 and the negative (–) lead to terminal 2, and check that
the door lock link moves to UNLOCK position.

(b)

Reverse the polarity and check that the door lock link
moves to LOCK position.

If operation is not as specified, replace the door lock assembly.
15.

Front left side door:
INSPECT DOOR LOCK MOTOR CIRCUIT
(See page

DI–868

)

I04139

6

5

5

6

I04140

1

2

2

1

I04141

4

3

3

4

BE–134

–

BODY ELECTRICAL

POWER DOOR LOCK CONTROL SYSTEM

2435

16.

Front right side door:
INSPECT DOOR LOCK MOTOR OPERATION

(a)

Connect the positive (+) lead from the battery to terminal
5 and the negative (–) lead to terminal 6, and check that
the door lock link moves to UNLOCK position.

(b)

Reverse the polarity and check that the door lock link
moves to LOCK position.

If operation is not as specified, replace the door lock assembly.
17.

Front right side door:
INSPECT DOOR LOCK MOTOR CIRCUIT
(See page

DI–900

)

18.

Rear left side door:
INSPECT DOOR LOCK MOTOR OPERATION

(a)

Connect the positive (+) lead from the battery to terminal
1 and the negative (–) lead to terminal 2, and check that
the door lock link moves to UNLOCK position.

(b)

Reverse the polarity and check that the door lock link
moves to LOCK position.

If operation is not as specified, replace the door lock assembly.
19.

Rear left side door:
INSPECT DOOR LOCK MOTOR CIRCUIT
(See page

DI–930

)

20.

Rear right side door:
INSPECT DOOR LOCK MOTOR OPERATION

(a)

Connect the positive (+) lead from the battery to terminal
3 and the negative (–) lead to terminal 4, and check that
the door lock link moves to UNLOCK position.

(b)

Reverse the polarity and check that the door lock link
moves to LOCK position.

If operation is not as specified, replace the door lock assembly.