Lexus ES300 (1997 year). Service manual — part 238
N21307
C D
B
A
F
E
H
G
J L I
M
K
O
N
Q
P
T
U
V
R
S
BE–16
–
BODY ELECTRICAL
POWER SOURCE
1400
1997 LEXUS ES300 (RM511U)
5.
INSPECT INSIDE ENGINE ROOM JUNCTION BLOCK
CIRCUIT
Remove the relay from the relay block and inspect the connec-
tor on relay block side.
Relay
Tester connection
Condition
Specified condition
MG/CLT
C – Ground
Constant
Continuity
MG/CLT
D – Ground
Ignition switch turned to ON
Battery positive voltage
C/OPN
G – Ground
Constant
Continuity
FAN No.2
L – Ground
Constant
Continuity
FAN No.2
J – Ground
Ignition switch turned to ON
Battery positive voltage
FAN No.2
K – Ground
Constant
Battery positive voltage
FAN No.3
P – Ground
Constant
Battery positive voltage
HEATER
U – Ground
Constant
Continuity
HEATER
R – Ground
Ignition switch turned to ON
Battery positive voltage
HEATER
V – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
![](/vehicle/tus/iorssayongal/foue/goad.png)
N21308
1
2
3
4
–
BODY ELECTRICAL
POWER SOURCE
BE–17
1401
1997 LEXUS ES300 (RM511U)
6.
INSPECT FUSIBLE LINK BLOCK CIRCUIT
Remove the fuse from the junction block and inspect the con-
nector on junction block side.
Fuse
Tester connection
Condition
Specified condition
HTR
1 – Ground
Ignition switch turned to ON
Battery positive voltage
ALT
4 – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
![](/vehicle/tus/iorssayongal/foue/dsan.png)
N21557
Instrument Panel Junction Block
POWER OUTLET Fuse
Power Outlet
BE04T–01
BE–18
–
BODY ELECTRICAL
POWER OUTLET
1402
1997 LEXUS ES300 (RM511U)
POWER OUTLET
LOCATION
![](/vehicle/tus/iorssayongal/foue/mst.png)
N21499
Instrument Panel
Junction Block
Integration Relay
GAUGE Fuse
Ignition Switch and
Key Unlock Warning Switch
BE04U–01
–
BODY ELECTRICAL
IGNITION SWITCH AND KEY UNLOCK WARNING
SWITCH
BE–19
1403
1997 LEXUS ES300 (RM511U)
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH
LOCATION
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