Lexus ES300 (2002 year). Manual — part 9
133
1. Manual Unlock Operation
When the door lock control SW of the driver’s or passenger’s side door is pushed to UNLOCK, the door lock will unlock.
2. Manual Lock Operation
When the door lock control SW of the driver’s or passenger’s side door is pushed to LOCK, the door lock will lock.
3. Door Key Unlock Operation
∗
Unlock operation from driver’s side door
When the driver’s side door is unlocked once using the ignition key, only the driver’s side door is unlocked. If this operation is
repeated within 3 seconds, all the other doors are unlocked.
∗
Unlock operation from front passenger’s side door
When the front passenger’s side door is unlocked using the ignition key, all the other doors are unlocked, too.
Body ECU
1, 2, 3–Ground : Always approx. 12 volts
9–Ground : Approx. 12 volts with ignition SW at ON or ST position
10–Ground : Approx. 12 volts with ignition SW at ACC or ON position
12, 24–Ground : Always continuity
D17 Driver Door ECU
2–Ground : Always continuity
9, 10–Ground : Always approx. 12 volts
F13 Front Passenger Door ECU
2–Ground : Always continuity
9, 10–Ground : Always approx. 12 volts
: Parts Location
Code
See Page
Code
See Page
Code
See Page
A14
D14
J6
B4
A
D15
J8
A
B5
B
D16
J9
B
B6
C
D17
J12
C7
A
E4
J13
C8
B
F10
L1
D8
F13
L5
D9
I13
T1
D10
I16
T6
D11
J1
T9
D12
J4
U1
: Relay Blocks
Code
See Page
Relay Blocks (Relay Block Location)
1
Engine Room R/B (Engine Compartment Left)
System Outline
Service Hints
134
Theft Deterrent and Door Lock Control
: Junction Block and Wire Harness Connector
Code
See Page
Junction Block and Wire Harness (Connector Location)
1B
1D
Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
1H
g
g
(
g
)
2B
Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
2C
Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
2E
2F
Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
2G
g
(
)
2H
Floor No 1 Wire and Driver Side J/B (Lower Finish Panel)
2K
Floor No.1 Wire and Driver Side J/B (Lower Finish Panel)
2L
2M
2P
Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
2Q
Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
2R
2S
3A
3A
Instrument Panel Wire and Passenger Side J/B (Instrument Panel Brace RH)
3B
Instrument Panel Wire and Passenger Side J/B (Instrument Panel Brace RH)
3B
: Connector Joining Wire Harness and Wire Harness
Code
See Page
Joining Wire Harness and Wire Harness (Connector Location)
EA2
Engine Room Main Wire and Engine Room No.2 Wire (Behind the Headlight LH)
IA2
Instrument Panel Wire and Floor No 1 Wire (Left Kick Panel)
IA3
Instrument Panel Wire and Floor No.1 Wire (Left Kick Panel)
IB1
Front Door LH Wire and Instrument Panel Wire (Left Kick Panel)
IC1
Front Door LH Wire and Floor No.1 Wire (Left Kick Panel)
IE1
Instrument Panel Wire and Roof Wire (Lower Part of Front Pillar LH)
IF4
Engine Room Main Wire and Instrument Panel Wire (Right Side of Steering Column Tube)
IF7
Engine Room Main Wire and Instrument Panel Wire (Right Side of Steering Column Tube)
IK1
Instrument Panel Wire and Instrument Panel Wire (Instrument Panel Reinforcement RH)
IO4
Instrument Panel Wire and Floor No 2 Wire (Right Kick Panel)
IO5
Instrument Panel Wire and Floor No.2 Wire (Right Kick Panel)
IP1
Front Door RH Wire and Instrument Panel Wire (Right Kick Panel)
IP2
Front Door RH Wire and Instrument Panel Wire (Right Kick Panel)
BA1
Rear Door No.2 Wire and Floor No.1 Wire (Left Center Pillar)
BB1
Rear Door No.1 Wire and Floor No.2 Wire (Right Center Pillar)
: Ground Points
Code
See Page
Ground Points Location
ED
Left Fender
IA
Instrument Panel Reinforcement LH
IB
Instrument Panel Brace LH
ID
Instrument Panel Brace RH
IF
Instrument Panel Reinforcement RH
BA
Under the Driver’s Seat
BB
Under the Front Passenger’s Seat
BC
Front Side of Rear Quarter Wheel House LH
BD
Front Side of Rear Quarter Wheel House RH
136
Wireless Door Lock Control
13
IB1
7
GR
–
B
MPX1
GR
–
B
IC1
BA
2
W–
B
GND
W–
B
GR
–
L
GR
–
L
12
IB1
8
GR
–
L
From Power Source System (See Page 56)
B–
R
SIG
B–
R
20
BDR
L–
W
10
CPUB
W–
R
9
GR
–
R
MPX1
7
BDR
L–
O
F13
Front Passenger Door ECU
10
MPX2
GR
–
L
8
L–
O
L–
W
W–
R
IC1
10
9
IC1
GR
–
R
IP1
18
IP2
10
IP1
19
2
1
2B
8
20A
PWR NO. 2
IC1
8
2H
1
30A
PWR NO. 1
11
IF
W–
B
GND
W–
B
2
IP2
11
MPX2
GR–B
B–R
GR–R
W–R
W–
R
CPUB
9
IP2
9
W–
R
10
14
KUL
L
W–
B
KEYE
3
8
16
LSWD
LG
L–
Y
KL
4
9
W–
B
KEYE
3
7
16
LSWP
Y
Driver Door ECU
D17
IP2
7
IP2
2
L–
B
1
L–
R
IC1
2
IC1
7
L–
R
L–
B
D
oor
Loc
k
Mot
o
r F
ront
R
H
D1
4
L–
B
L–
R
L–
R
L–
B
L–R
L–B
L–B
L–R
* 1 : w/ VSC
* 2 : w/o VSC
7
Door Key Lock and Unlock
SW Front LH
D12
Door Lock Motor Front LH
Door Unlock Detection SW
Front LH
Do
o
r Un
lo
c
k
De
te
c
tio
n
S
W
F
ront
R
H
W–R
8
4
4
1
137
25A
DO
O
R
NO
. 2
2K
12
2R
8
W–
B
From Power Source System (See Page 56)
B–
R
W–
R
2K
11
1
0
A EC
U
–
B
86 3A
56 3A
W
6 2M
W–R
W–R
GR–R
B–R
GR–B
B
1
3
BDR2
MPX1
B
11
MPX2
B
12
GR
–
R
GR
–
B
GND
12
Body ECU
B 4(A), B 5(B), B 6(C)
W–B
5 2C
11
E B
2H
D A
F B
11
ACT+
L–
R
L–
R
L–
B
L–R
L–B
L
–
B
IA3
ACTD
11 C
11
J 8(A), J 9(B)
Junction
Connector
B
E
A
E
B
F
(*1)
(*2)
3B
3B
26
46
L
3B
3B
27
47
1
2
L
3A
75
55 3A
8 2M
SB
W–
B
Un
lo
c
k
W
a
rn
ing S
W
U 1
B
4
R–
B
3 A
DRLP
20 A
C
o
m
b
in
ati
on Met
e
r
C 7
(A
),
C
8
(B
)
D
oor
(*1)
(*2)
A
19
KSW
W–
R
3A
66
W
L–R
L–B
L–B
L–R
L–R
L–
B
L
–
B
2C
6
ACT–
23
SIG
9
10
A
E
C
U
–
IG
W
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