Lexus ES300 (1997 year). Manual — part 170
–
BODY ELECTRICAL
POWER SOURCE
BE–15
1399
1997 LEXUS ES300 (RM511U)
(a)
Remove the fuse from the instrument panel junction block
and inspect the connector on instrument panel junction
block side.
Fuse
Tester connection
Condition
Specified condition
S – HTR
2 – Ground
Ignition switch turned to ON
Battery positive voltage
HEATER
3 – Ground
Ignition switch turned to ON
Battery positive voltage
GAUGE
6 – Ground
Ignition switch turned to ON
Battery positive voltage
WIPER
7 – Ground
Ignition switch turned to ON
Battery positive voltage
M – HTR
10 – Ground
Ignition switch turned to ON
Battery positive voltage
ECU – IG
11 – Ground
Ignition switch turned to ON
Battery positive voltage
IGN
14 – Ground
Ignition switch turned to ON
Battery positive voltage
STOP
16 – Ground
Constant
Battery positive voltage
TAIL
18 – Ground
Light control switch turned to TAIL
or HEAD and Engine running
Battery positive voltage
PWR
22 – Ground
Ignition switch turned to ON
Battery positive voltage
OBD – 2
24 – Ground
Constant
Battery positive voltage
FOG
26 – Ground
Constant
Battery positive voltage
ST
28 – Ground
Constant
Battery positive voltage
DOOR
29 – Ground
Constant
Battery positive voltage
PANEL
31 – Ground
Constant
Battery positive voltage
TURN
33 – Ground
Ignition switch turned to ON
Battery positive voltage
RAD/2
35 – Ground
Ignition switch turned to ACC or ON
Battery positive voltage
CIG
38 – Ground
Ignition switch turned to ACC or ON
Battery positive voltage
DEF
39 – Ground
Constant
Battery positive voltage
POWER
41 – Ground
Constant
Battery positive voltage
AM1
44 – 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 junction block and inspect in-
spect the connector on junction block side.
Relay
Tester connection
Condition
Specified condition
Taillight
B – Ground
Constant
Battery positive voltage
Taillight
D – Ground
Constant
Battery positive voltage
Defogger
F – Ground
Constant
Battery positive voltage
Defogger
G – Ground
Defogger switch ON
Battery positive voltage
Power Main
J – Ground
Constant
Battery positive voltage
Power Main
K – Ground
Constant
Continuity
If the circuit is not as specified, inspect the circuits connected
to other parts.
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.
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.
N21557
Instrument Panel Junction Block
POWER OUTLET Fuse
Power Outlet
BE04T–01
BE–18
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BODY ELECTRICAL
POWER OUTLET
1402
1997 LEXUS ES300 (RM511U)
POWER OUTLET
LOCATION
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