Lexus RX300 (MCU15). Manual — part 123
BE1YG–01
I19235
2
1
4
500 –
800 Ω
–
BODY ELECTRICAL
HEADLIGHT BEAM LEVEL CONTROL SYSTEM
BE–39
LEXUS RX300 (RM785E)
INSPECTION
INSPECT HEADLIGHT BEAM LEVEL CONTROL SWITCH
(a)
Connect the positive (+) lead from the battery to terminal
1 and negative (–) lead to terminal 2.
(b)
Connect the positive (+) lead from the ammeter to battery
positive terminal and negative (–) lead to terminal 4.
(c)
Measure the ammpere terminal 4.
Switch position
Ammpere (A)
0
0.89
1
2.31
2
3.73
3
5.16
4
6.58
5
8.0
If current value is not as specified, replace the switch.
I19135
Front Fog Light
Combination Switch
D Fog Light Switch
Instrument Panel J/B
D FR FOG Fuse
D TAIL Fuse
D Taillight Control Relay
D Fog Light Relay
R/B No.1
D Rear Fog Light Relay
RHD:
Rear Fog Light
LHD:
Rear Fog Light
BE050–09
BE–40
–
BODY ELECTRICAL
FOG LIGHT SYSTEM
LEXUS RX300 (RM785E)
FOG LIGHT SYSTEM
LOCATION
BE1YH–01
I19120
11
Rr Fog
Fr Fog
10
16
N14863
1
2
3
5
5
2
1
3
–
BODY ELECTRICAL
FOG LIGHT SYSTEM
BE–41
LEXUS RX300 (RM785E)
INSPECTION
1.
INSPECT FOG LIGHT SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
OFF
–
No continuity
Front fog
11 – 16
Continuity
Rear fog
10 – 16
Continuity
If continuity is not as specified, replace the switch.
2.
INSPECT FOG LIGHT RELAY CONTINUITY
Condition
Tester connection
Specified condition
Constant
1 – 2
Continuity
Apply B+ between
terminals 1 and 2.
3 – 5
Continuity
If continuity is not as specified, replace the relay.
3.
INSPECT FRONT AND REAR FOG LIGHT RELAY CIR-
CUIT
Remove the relay from the driver’s side relay block and inspect
the connector on relay block side.
Tester connection
Condition
Specified condition
3 – Ground
Constant
Continuity
1 – Ground
Light control switch HEAD
Battery voltage
5 – Ground
Constant
Battery voltage
If the circuit is not as specified, inspect the circuit connected to
other parts.
BE052–09
I04498
A–bolt
BE–42
–
BODY ELECTRICAL
FOG LIGHT SYSTEM
LEXUS RX300 (RM785E)
ADJUSTMENT
ADJUST FRONT FOG LIGHT AIM
A–bolt: Vertical Direction
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