Lexus ES300 (1997 year). Manual — part 413
N22050
Luggage Compartment
Door Opener Switch
Theft Deterrent ECU
TO
2
T3
L
IF1
2
L
1
N14872
1(+)
–
DIAGNOSTICS
THEFT DETERRENT SYSTEM
DI–429
581
1997 LEXUS ES300 (RM511U)
Luggage Compartment Door Opener Motor Circuit
CIRCUIT DESCRIPTION
This circuit unlocks the luggage compartment door when the ECU sends signals to the luggage compart-
ment door opener motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
1
Check voltage between terminal 1 of luggage compartment door opener motor
and body ground.
PREPARATION:
Disconnect the courtesy switch and opener motor connector.
CHECK:
Measure voltage between terminal 1 of luggage compartment
door opener motor and body ground, when opener switch is
pulled and not pulled.
OK:
Opener switch
Voltage
Pulled
5 – 14 V
Not pulled
Below 1 V
NG
Check harness and connectors between ECU
and luggage compartment door opener motor
(See page
).
DI026–01
N22044
1
DI–430
–
DIAGNOSTICS
THEFT DETERRENT SYSTEM
582
1997 LEXUS ES300 (RM511U)
OK
2
Check luggage compartment door opener motor.
PREPARATION:
Disconnect luggage compartment door courtesy switch and
opener motor connector.
CHECK:
Connect positive (+) lead from the battery to terminal 1 and the
negative (–) lead to the body ground.
OK:
Operated motor shaft and gear.
HINT:
Perform inspection in a short time (within 1 second).
NG
Replace luggage compartment door opener
motor.
OK
Proceed to next circuit inspection shown on
matrix chart (See page
).
N22070
Luggage Compartment
Door
Opener Main Switch
Luggage Compartment Door
Opener Switch and Fuel Lid
Opener Switch
FL MAIN
3.0W
Battery
FL
BLOCK
TSW
14
L–Y
1
BL
J/C
J16
Instrument Panel
J/B
T4
2
R
5
LL
4
BF
LF
A
A
F6
F11 1
1
AL
T
B–G
B–R
1B
1D
4
20A DOOR
L–W
C
A
J/C
J34
J35
R–W
W–B
2
W–B
IG
BP
W–B
Fuel Lid
Opener
Solenoid
2
1
R–W
IF1
L–W
100A
Theft Deterrent ECU
–
DIAGNOSTICS
THEFT DETERRENT SYSTEM
DI–431
583
1997 LEXUS ES300 (RM511U)
Luggage Compartment Door Opener Main Switch and Opener
Switch Circuit
CIRCUIT DESCRIPTION
The luggage compartment door opener main switch is off when it is pushed in, and the luggage compartment
door opener switch is on when it is pulled.
The ECU energizes the luggage compartment door opener solenoid only when the main switch and opener
switch are together.
WIRING DIAGRAM
DI027–01
N14891
2(–)
1(+)
Luggage Compartment
Door Opener Main Switch
N22045
Luggage Compartment Door
Opener Switch
4
5
DI–432
–
DIAGNOSTICS
THEFT DETERRENT SYSTEM
584
1997 LEXUS ES300 (RM511U)
INSPECTION PROCEDURE
1
Check luggage compartment door opener main switch and opener switch.
PREPARATION:
Disconnect the luggage compartment door opener main switch
and opener switch connector.
CHECK:
(a)
Check luggage compartment door opener main switch.
(b)
Check continuity between terminals of main switch con-
nector.
OK:
Switch position
Tester connection
Specified condition
ON
1 – 2
Continuity
OFF
–
No continuity
CHECK:
(a)
Check luggage compartment door opener switch.
(b)
Check continuity between terminals of main switch and
opener switch connector.
OK:
Switch position
Tester connection
Specified condition
ON
4 – 5
Continuity
OFF
–
No continuity
NG
Replace luggage compartment door opener
main switch and/or opener switch.
OK
2
Check harness and connector between ECU and main switch, opener switch and
body ground (See page
NG
Repair or replace harness or connector.
OK
Proceed to next circuit inspection shown on
matrix chart (See page
).
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