Lexus ES300 (1997 year). Service manual — part 101
BE04R–01
Z18764
Engine Room
No.3 R/B
*:CANADA Models
Engine Room R/B
Engine Room
Junction Block
Fusible Link Block
Engine Room
No.2 R/B*
Fog Light Relay
Instrument Panel Junction Block
BE–10
–
BODY ELECTRICAL
POWER SOURCE
1394
1997 LEXUS ES300 (RM511U)
POWER SOURCE
LOCATION
BE04S–01
N21302
D
B
A
C
I
J
K
L
M
N
O
P
H
G
F
E
R
S
T
U
V
Y
27
28
29
30
1
2
3
5
7
9
11
16
17
4
6
8
10
12
13
18
19
20
21
22
23
24
25
26
14
15
Q
W
X
–
BODY ELECTRICAL
POWER SOURCE
BE–11
1395
1997 LEXUS ES300 (RM511U)
INSPECTION
1.
INSPECT ENGINE ROOM JUNCTION BLOCK CIRCUIT
(a)
Remove the fuse from the junction block and inspect the
connector on junction block side.
Fuse
Tester connection
Condition
Specified condition
MAIN
1 – Ground
Constant
Battery positive voltage
DOME
4 – Ground
Constant
Battery positive voltage
ECU–B
6 – Ground
Constant
Battery positive voltage
RADIO No.1
7 – Ground
Ignition switch turned to ACC or ON
Battery positive voltage
SHORT PIN
9 – Ground
Constant
Battery positive voltage
HAZARD
11 – Ground
Constant
Battery positive voltage
AM2
13 – Ground
Constant
Battery positive voltage
TEL
15 – Ground
Constant
Battery positive voltage
HEAD (LH)
17 – Ground
Constant
Battery positive voltage
ALT–S
19 – Ground
Constant
Battery positive voltage
HEAD (RH)
21 – Ground
Constant
Battery positive voltage
EFI
23 – Ground
Constant
Battery positive voltage
HORN
25 – Ground
Constant
Battery positive voltage
RDI
28 – Ground
Constant
Battery positive voltage
CDS
30 – Ground
Constant
Battery positive voltage
N21303
1
4
5
A
B
C
D
E
F
G
H
I
K
J
M
L
2
3
BE–12
–
BODY ELECTRICAL
POWER SOURCE
1396
1997 LEXUS ES300 (RM511U)
If the circuit is not as specified, inspect the circuits connected
to other parts.
(b)
Remove the relay from the junction block and inspect the
connector on junction block side.
Relay
Tester connection
Condition
Specified condition
ST
C – Ground
Constant
Battery positive voltage
HEAD
E – Ground
Constant
Battery positive voltage
HEAD
H – Ground
Constant
Battery positive voltage
EFI
J – Ground
Constant
Continuity
ENGINE MAIN
M – Ground
Constant
Battery positive voltage
ENGINE MAIN
Q – Ground
Ignition switch turned to ON
Battery positive voltage
FAN No.1
U – Ground
Constant
Battery positive voltage
HORN
V – Ground
Constant
Battery positive voltage
HORN
Y – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
2.
CANADA Models Only:
INSPECT ENGINE ROOM No.2 RELAY BLOCK CIR-
CUIT
(a)
Remove the fuse from the relay block and inspect the con-
nector on relay block side.
Fuse
Tester connection
Condition
Specified condition
H – LP RH (LO)
2 – Ground
Constant
Battery positive voltage
H – LP LH (LO)
3 – Ground
Constant
Battery positive voltage
DRL No.2
5 – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
N21304
F
G
H
I
J
1
2
A
B
C
D
E
–
BODY ELECTRICAL
POWER SOURCE
BE–13
1397
1997 LEXUS ES300 (RM511U)
(b)
Remove the relay from the relay block and inspect the
connector on relay block side.
Relay
Tester connection
Condition
Specified condition
DRL No.3
D – Ground
Constant
Continuity
DRL No.3
A – Ground
Constant
Battery positive voltage
DRL No.3
E – Ground
Constant
Battery positive voltage
DRL No.4
H – Ground
Constant
Battery positive voltage
DRL No.4
I – Ground
Constant
Battery positive voltage
DIM
J – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
3.
INSPECT ENGINE ROOM No.3 RELAY BLOCK CIR-
CUIT
(a)
Remove the fuse from the relay block and inspect the con-
nector on relay block side.
Fuse
Tester connection
Condition
Specified condition
ABS
2 – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
(b)
Remove the relay from the relay block and inspect the
connector on relay block side.
Relay
Tester connection
Condition
Specified condition
ABS SOL
F – Ground
Constant
Continuity
ABS SOL
E – Ground
Constant
Battery positive voltage
ABS MTR
G – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
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