Lexus GS300/400 (2000 year). Manual — part 66
I05036
–
BODY ELECTRICAL
POWER SOURCE
BE–27
2328
5.
INSPECT PASSENGER SIDE JUNCTION BLOCK CIR-
CUIT
BE–28
–
BODY ELECTRICAL
POWER SOURCE
2329
(a)
Remove the fuse from the junction block and inspect the
connector on junction block side.
Fuse
Tester connection
Condition
Specified condition
DEF
1 – Ground
Constant
Battery positive voltage
MIR HTR
7 – Ground
Ignition switch ON
Battery positive voltage
S/ROOF
13 – Ground
Constant
Battery positive voltage
P FR DOOR
15 – Ground
Constant
Battery positive voltage
P/SEAT (P)
23 – Ground
Constant
Battery positive voltage
DOME
25 – Ground
Constant
Battery positive voltage
S–HTR
27 – Ground
Ignition switch ON
Battery positive voltage
TV
31 – Ground
Constant
Battery positive voltage
ECU–B2
33 – Ground
Constant
Battery positive voltage
P FR DOOR
41 – 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 the
connector on junction block side.
Relay
Tester connection
Condition
Specified condition
Ignition Main
43 – Ground
Ignition switch ON
Battery positive voltage
Mirror Heater
47 – Ground
Ignition switch ON
Battery positive voltage
Mirror Heater
50 – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
I05029
1
2
3
4
5
6
7
8
9
10
–
BODY ELECTRICAL
POWER SOURCE
BE–29
2330
6.
INSPECT PASSENGER COWL SIDE RELAY BLOCK
CIRCUIT
Remove the relay from the relay block and inspect the connec-
tor on relay block side.
Relay
Tester connection
Condition
Specified condition
DEF
1 – Ground
Constant
Battery positive voltage
HEATER
6 – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
BE0GD–10
I01372
Ignition Switch
Radio Assembly
Tweeter
Front Speakers
Rear Speakers
Tweeter
Radio Assembly
LEXUS Navigatioin
System
Woofer
Power Amplifier
(NAKAMICHI made)
Driver Side Junction Block
RAD NO.2 Fuse
Engine Room No.1
Junction Block
ECU–B1 Fuse
RAD NO.1 Fuse
Passenger Side
Junction Block
DOME Fuse
CD Auto Changer
CD Magazine
Power Amplifier
(PIONEER made)
BE–216
–
BODY ELECTRICAL
AUDIO SYSTEM
2517
LOCATION
The vehicle shown in this illustration is ”GS400”.
All components of ”GS300” other than the ones used for engine are same as ”GS400”.
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