Lexus RX300 (MCU15). Manual — part 355
DI–652
–
DIAGNOSTICS
REAR LEFT DOOR CONTROL SYSTEM
LEXUS RX300 (RM785E)
INSPECTION PROCEDURE
1
Check door lock motor (See page BE–97).
NG
Replace the door lock motor.
OK
2
Check wireharness and connector between door lock motor and rear left door
ECU.
NG
Repair or replace wireharness or connector.
OK
Proceed to next circuit inspection shown on
problem symptoms table
(See page DI–570).
I03215
D9 Door Lock Motor
and Door Unlock
Detection Switch
Rear Left Door ECU
LSWE
A–
A+
LSW
17
13
1
19
2
3
6
4
GR–R
L–B
L–R
GR
R14
R14
R14
R14
–
DIAGNOSTICS
REAR LEFT DOOR CONTROL SYSTEM
DI–653
LEXUS RX300 (RM785E)
Door unlock detection switch
CIRCUIT DESCRIPTION
The door unlock detection switch is built in the door lock motor assembly. This switch is ON when the door
lock knob is in the unlock position and OFF when the lock knob is in the lock position. The ECU detects the
door lock knob conditions is this circuit. It is used as one of the operating conditions for the key confinement
prevention function.
WIRING DIAGRAM
DI2FE–06
DI–654
–
DIAGNOSTICS
REAR LEFT DOOR CONTROL SYSTEM
LEXUS RX300 (RM785E)
INSPECTION PROCEDURE
1
Check door unlock detection switch (See page BE–97).
NG
Replace the door lock motor.
OK
2
Check wireharness and connector between door unlock detection switch and
rear left door ECU.
NG
Repair or replace wireharness or connector.
OK
Proceed to next circuit inspection shown on
problems symptoms table
(See page DI–570).
I08138
Door Courtesy
Switch Rear LH
Rear Left Door ECU
5
1
CTY
CTYE
8
18
R–W
R–B
R14
R14
–
DIAGNOSTICS
REAR LEFT DOOR CONTROL SYSTEM
DI–655
LEXUS RX300 (RM785E)
Door courtesy switch circuit
CIRCUIT DESCRIPTION
The door courtesy switch turns on when the door is opened and turns off when door is closed.
WIRING DIAGRAM
DI2FF–06
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