Lexus RX300 (MCU15). Manual — part 140
–
BODY ELECTRICAL
DOUBLE LOCKING SYSTEM
BE–107
LEXUS RX300 (RM785E)
Tester connection
Condition
Specified condition
12 – Ground
Constant
Continuity
1 – Ground
Constant
Battery voltage
6 – Ground
Constant
Battery voltage
2 – Ground
5 – Ground
Double lock is set (Double lock switch ON)
Approx. 5 V
5 Ground
7 – Ground
11 – Ground
Double lock is set (Double lock switch ON)
Below 1.0 V
If circuit is as specified, replace the double lock door control
relay.
If circuit is not as specified, wiring diagram and inspect the cir-
cuits connected to other parts.
BE0GQ–04
I19166
Door Lock Assembly
D Door Unlock Detection Switch
Rear RH Door ECU
Back Door Unlock
Detection Switch
Theft Deterrent ECU
Ignition Switch
Engine Hood Courtesy Switch
Theft Deterrent Indicator
Theft Deterrent Indicator
Ignition Switch
Door Lock Assembly
D Door Unlock Detection Switch
Instrument Panel J/B
D ECU–IG Fuse
Theft Deterrent
Indicator
Passenger Door ECU
Drive Door ECU
Instrument Panel J/B
D EFI–IG Fuse
Except Europe:
RHD:
Europe:
LHD:
Rear LH Door ECU
Theft Deterrent ECU
BE–108
–
BODY ELECTRICAL
THEFT DETERRENT SYSTEM
LEXUS RX300 (RM785E)
THEFT DETERRENT SYSTEM
LOCATION
BE0GR–05
I19130
2
1
I19131
7
13
I07296
UNLOCK
LOCK
I04148
ON
OFF
–
BODY ELECTRICAL
THEFT DETERRENT SYSTEM
BE–109
LEXUS RX300 (RM785E)
INSPECTION
1.
INSPECT THEFT DETERRENT INDICATOR LIGHT OP-
ERATION
(a)
Except Europe:
Connect the positive (+) lead from the battery terminal 2
and negative (–) lead to terminal 1, and check that the
warning light lights up.
(b)
Europe:
Connect the positive (+) lead from the battery terminal 13
and negative (–) lead to terminal 7, and check that the
warning light lights up.
If operation is not as specified, replace the warning light.
2.
INSPECT THEFT DETERRENT INDICATOR LIGHT
CIRCUIT (See page DI–453)
3.
INSPECT BACK DOOR KEY LOCK AND UNLOCK
SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
LOCK
1 – 2
Continuity
Not turned
–
No continuity
UNLOCK
1 – 3
Continuity
If continuity is not as specified, replace the switch.
4.
INSPECT BACK DOOR KEY LOCK AND UNLOCK
SWITCH CIRCUIT (See page DI–592)
5.
INSPECT ENGINE HOOD COURTESY SWITCH CON-
TINUITY
Switch position
Tester connection
Specified condition
LOCK
–
No continuity
UNLOCK
1 – 2
Continuity
If continuity is not as specified, replace the switch.
6.
INSPECT ENGINE HOOD COURTESY SWITCH CIR-
CUIT (See page DI–470)
BE0GM–10
I19165
Transmitter
Wireless Door
Lock Control Receiver
Door Lock Assembly
D Door Lock Motor
D Door Unlock Detection Switch
D Door Key Lock and Unlock Switch
Key Unlock Warning Switch
Back Door Lock
Motor
Back Door Unlock Detection Switch
Door Lock Assembly
D Door Lock Motor
D Door Unlock Detection Switch
BE–110
–
BODY ELECTRICAL
WIRELESS DOOR LOCK CONTROL SYSTEM
LEXUS RX300 (RM785E)
WIRELESS DOOR LOCK CONTROL SYSTEM
LOCATION
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