Lexus LS400 (2000 year). Service manual — part 14
BE0CC–01
I03236
Ignition Switch
Unlock Warning Switch
Engine Hood Courtesy Switch
Power Window Master Switch
Door Lock Control Switch
Driver Door
ECU
Door Outside
Handle
Body ECU
Front Passenger Door ECU
Door Lock Control Switch
Luggage Compartment
Door Key Lock and
Unlock Switch
Luggage Compartment Door
Opener Motor
Door Lock Assembly
Door Lock Motor
Door Unlock Detection Switch
BE–138
–
BODY ELECTRICAL
POWER DOOR LOCK CONTROL SYSTEM
2001
POWER DOOR LOCK CONTROL SYSTEM
LOCATION
I03422
5 4
10
3
9 8
2
7
6
1
11
13
14
12
BE0CD–01
I03438
I03439
2
4
–
BODY ELECTRICAL
POWER DOOR LOCK CONTROL SYSTEM
BE–139
2002
INSPECTION
1.
INSPECT POWER WINDOW MASTER SWITCH CON-
TINUITY
Master Switch: Driver’s Door Lock Manual Switch
Switch position
Tester connection
Specified condition
LOCK
6 – 11
Continuity
OFF
–
No continuity
UNLOCK
11 – 14
Continuity
If continuity is not as specified, replace the switch.
If continuity is as specified, inspect the switch circuit.
2.
INSPECT POWER WINDOW MASTER SWITCH CIR-
CUIT (See page
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.
If continuity is as specified, inspect the switch circuit.
4.
INSPECT PASSENGER’S DOOR LOCK CONTROL
SWITCH CIRCUIT (See page
5.
INSPECT PASSENGER’S DOOR LOCK CONTROL IN-
DICATOR LIGHT OPERATION
Connect the positive (+) lead from the battery to terminal 4 and
the negative (–) lead to terminal 2, and check that the indicator
light does not light up, replace the switch.
I03434
LH Side
RH Side
OFF
Unlock
Lock
OFF
Unlock
Lock
1
2
3
I03433
Not turned
Unlock
BE–140
–
BODY ELECTRICAL
POWER DOOR LOCK CONTROL SYSTEM
2003
6.
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CONTINUITY
Switch position
Tester connection
Specified condition
LOCK
1 – 2
Continuity
OFF
–
No continuity
UNLOCK
2 – 3
Continuity
If continuity is not as specified, replace the switch.
HINT:
Door key lock and unlock switch is built into the front door lock
assembly.
If continuity is as specified, inspect the switch circuit.
7.
Driver’s door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CIRCUIT (See page
)
8.
Passenger ’s door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CIRCUIT (See page
)
9.
INSPECT LUGGAGE COMPARTMENT DOOR KEY
LOCK AND UNLOCK SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
Not turned
–
No continuity
UNLOCK
1 – 2
Continuity
If continuity is not as specified, replace the switch.
If continuity is as specified, inspect the switch circuit.
10.
INSPECT LUGGAGE COMPARTMENT DOOR KEY
LOCK AND UNLOCK SWITCH CIRCUIT
(See page
Z14952
Push (OFF)
Push and
Turn (ON)
Pull (ON)
N07476
–
BODY ELECTRICAL
POWER DOOR LOCK CONTROL SYSTEM
BE–141
2004
11.
INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER MAIN SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
OFF (Push)
–
No continuity
ON (Push and turn)
1 – 2
Continuity
If continuity is not as specified, replace the switch.
If continuity is as specified, inspect the switch circuit.
12.
INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
OFF
2 – B
Continuity
ON (Pull)
1 – L
2 – B
Continuity
If continuity is not as specified, replace the switch.
If continuity is as specified, inspect the switch circuit.
13.
INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER MAIN SWITCH AND OPENER SWITCH CIRCUIT
(See page
14.
INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER MOTOR OPERATION
Connect positive (+) lead to the opener motor connector and
negative (–) lead to the body of the opener motor, and check
that the motor operates.
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