Lexus ES300 (1997 year). Service manual — part 107

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

SR–16

)

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

BE051–01

N21571

ON

OFF

11 10

N21563

Wire Harness Side

1 2 3 4 5

6 7 8

9 101112131415

17

16

N14863

1

2

3

5

5

2

1

3

BE–36

–

BODY ELECTRICAL

FOG LIGHT SYSTEM

1420

1997 LEXUS ES300 (RM511U)

INSPECTION

1.

INSPECT FOG LIGHT SWITCH CONTINUITY

Switch position

Tester connection

Specified condition

OFF

–

No continuity

ON

10 – 11

Continuity

If continuity is not as specified, replace the switch.

2.

INSPECT COMBINATION SWITCH CIRCUIT

Connect the wire harness side connector to the combination
switch and inspect wire harness side connector from the back
side.

Tester connection

Condition

Specified condition

10– Ground

Headlight dimmer switch High Beam or Flash

No continuity

10– Ground

Headlight dimmer switch Low Beam

Continuity

11 – Ground

Light control switch OFF or TAIL

No voltage

11 – Ground

Light control switch HEAD

Battery positive voltage

If the circuit is not as specified, inspect the circuit connected to
other parts.

3.

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.

–

BODY ELECTRICAL

FOG LIGHT SYSTEM

BE–37

1421

1997 LEXUS ES300 (RM511U)

4.

INSPECT FOG LIGHT RELAY CIRCUIT

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 positive voltage

5 – Ground

Constant

Battery positive voltage

If the circuit is not as specified, inspect the circuit connected to
other parts.