Lexus ES300 (1997 year). Manual — part 242
N12999
From Back Side
1
3
5
6
8
BE–32
–
BODY ELECTRICAL
HEADLIGHT AND TAILLIGHT SYSTEM
1416
1997 LEXUS ES300 (RM511U)
Tester connection
Condition
Specified condition
1 – Ground
Ignition switch position LOCK or ACC
No voltage
1 – Ground
Ignition switch position ON
Battery positive voltage
2 – Ground
Constant
Battery positive voltage
If circuit is as specified, perform the inspection on the following
page.
If the circuit is not as specified, inspect the circuit connected to
other parts.
22.
Connector connected:
INSPECT SENSOR CIRCUIT
Connect the wire harness side connector to the sensor and in-
spect wire harness side connector from the back side.
HINT:
Ignition switch ON.
Light control switch AUTO.
Vehicle’s surroundings are bright.
Tester connection
Condition
Specified condition
1 – Ground
Ignition switch position ON
10 V or more
1 – Ground
Ignition switch position OFF
1 V or less
3 – Ground
Door courtesy switch ON
1 V or less
3 – Ground
Door courtesy switch OFF
9 V or more
5 – Ground
Vehicle’s surroundings are dark
1.8 V or less
5 – Ground
Dimmer switch position Flash
0.3 V or less
6 – Ground
Vehicle’s surroundings are dark
1.5 V or less
8 – Ground
Vehicle is under the direct sun light.
(Sensor is not covered)
3.7 V or more
8 – Ground
Vehicle’s surroundings are dim.
(Sensor is covered and taillights are ON)
1.32
∼
2.32 V
8 – Ground
Vehicle’s surroundings are dark.
(Sensor is covered and headlights are ON)
0.42 V
If circuit is as specified, try replacing the sensor with a new one.
If the circuit is not as specified, inspect the circuit connected to
other parts.
BE04Z–02
N21568
Adjusting Screw A
Adjusting Nut C
Adjusting Screw B
BE6182
Beam Angle Gauge
(Vertical Direction)
OK
OK
OK
Bubble
Beam is
Upward
Front
Beam is
Downward
–
BODY ELECTRICAL
HEADLIGHT AND TAILLIGHT SYSTEM
BE–33
1417
1997 LEXUS ES300 (RM511U)
ADJUSTMENT
1.
ADJUSTING HEADLIGHT AIM ONLY
(a)
Put the vehicle in below conditions.
Make sure the body around the headlight is not de-
formed.
Park the vehicle on a level spot.
The driver gets into the driver’s seat and puts the
vehicle in a state ready for driving (with a full tank).
Bounce the vehicle several times.
(b)
Adjust the headlight in vertical direction.
If the bubble is outside the acceptable range of the beam angle
gauge, adjust it using adjusting screw A.
N21567
Beam Angle Gauge
(Horizontal Direction)
Front
BE6182
Beam Angle Gauge
(Vertical Direction)
OK
OK
OK
Bubble
Beam is
Upward
Front
Beam is
Downward
N21567
Beam Angle Gauge
(Horizontal Direction)
Front
BE–34
–
BODY ELECTRICAL
HEADLIGHT AND TAILLIGHT SYSTEM
1418
1997 LEXUS ES300 (RM511U)
(c)
Adjust the headlight in horizontal direction.
If the ”0” moves away from the mark beyond the acceptable
range, adjust the ”0” back to the mark using adjusting screw B.
2.
REPLACING HEADLIGHT
(a)
Replace the headlight.
(b)
Put the vehicle in below conditions.
Make sure the body around the headlight is not de-
formed.
Park the vehicle on a level spot.
The driver gets into the driver’s seat and puts the
vehicle in a state ready for driving (with a full tank).
Bounce the vehicle several times.
(c)
Adjust the headlight in vertical direction.
(1)
Using adjusting screw A, adjust the headlight aim to
within the specifications.
(2)
Make sure that the gauge bubble is within the ac-
ceptable range.
HINT:
If the gauge bubble is outside the acceptable range, check that
the vehecle is parked on a level place.
Readjust the headlight aim after parking the vehicle on a level
place.
(d)
Adjust the headlight in horizontal direction.
(1)
Using adjusting screw B, adjust the headlight aim to
within the specifications.
(2)
Using adjusting nut C, adjust the ”0” back to the
mark.
3.
ADJUST SPIRAL CABLE
(See page
Z19393
Front Fog Light
Fog Light Relay
Combination Switch
Front Fog Light Switch
Instrument Panel Junction Block
FOG Fuse
BE050–01
–
BODY ELECTRICAL
FOG LIGHT SYSTEM
BE–35
1419
1997 LEXUS ES300 (RM511U)
FOG LIGHT SYSTEM
LOCATION
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