Lexus ES300 (1997 year). Service manual — part 274

V08488

CD player faulty.

22

CD Player

CD WILL NOT BE EJECTED

Is auto search button of radio
operating normally?

No

Is +B applied to CD player?

Radio assembly
faulty.

Replace fuse.

+B wire harness faulty.

Power amplifier faulty.

Radio assembly faulty.

Is +B applied to radio assembly?

Check if RADIO No.1 fuse is OK?

Is +B applied to power amplifier?

No

No

No

Yes

NG

OK

Yes

Yes

Yes

BE–160

–

BODY ELECTRICAL

AUDIO SYSTEM

1544

1997 LEXUS ES300 (RM511U)

V08552

23

Noise

NOISE OCCURS

No

Yes

NG

OK

Does the noise occur only in the radio?

Does the noise occur in a particular place?

Is there any additional installation part
around the glass imprinted antenna?
(Sun shade film, telephone antenna etc.)

Does the noise occur even pulling out the
antenna cord from the radio?

Does the noise occur even pulling out the
antenna terminal on the glass surface?

Isn’t there any adhesive (Butyl rubber)
stuck on the bases of the antenna
terminal, defogger terminal and bus bar?

Check the grounding of the antenna,
antenna cord, coke coil, and noise filter.
(See page

BE–142

)

Does the noise occur even pulling out
the defogger terminal?

Does the condition get better by exchanging
the antenna cord.

Radiate directly to the antenna from the
generation source.

Does the condition get better by exchanging
the choke coil?

Exchange the antenna cord.

Exchange the choke coil.

Interfering noise from the defogger line
and choke coil.

Grounding failure.

Failure of glass installation.
Muse plane the butyl rubber.

Mixing into the antenna cable.

Check the radio.

Influence of the film or the noise radiation
of the additional installation part.

Does the noise stop by removing it?

An electric environment.

Refer to No.25.

(It occurs in the cassette
and CD.)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

No

No

No

–

BODY ELECTRICAL

AUDIO SYSTEM

BE–161

1545

1997 LEXUS ES300 (RM511U)

V08553

24

Noise

NOISE PRODUCED BY VIBRATION OR SHOCK WHILE DRIVING

No

Yes

Is speaker properly installed?

Noise is produced from static eletricity accumulating in the vehicle body.

With vehicles stationary lightly tap each system.
Is noise produced?

Install properly.

Each system faulty.

Is speaker properly installed?

No

No

Yes

Yes

BE–162

–

BODY ELECTRICAL

AUDIO SYSTEM

1546

1997 LEXUS ES300 (RM511U)

V08554

25

Noise

NOISE PRODUCED WHEN ENGINE STARTS

No

Yes

Whistling noise which becomes high–pitched when
accelerator strongly depressed, disappears shortly
after engine stops.

Generator noise.

A/C noise.

Fuel gauge noise.

Horn noise.

Ignition noise.

Turn signal noise.

Washer noise.

Engine coolant temp. gauge noise.

Wiper noise.

Whining noise occurs when A/C is operating.

Scratching noise occurs during sudden acceleration, driving on rough

roads or when ignition switch is turned ON.

Clicking sound is heard when horn button is pressed, then re-

leased. Whirring/grating sound is heard when pushed continu-

ously.

Murmuring sound stops when engine stops.

Tick–tack noise occurs in co–ordination with blinking of
flasher.

Noise occurs during window washer operation.

Scratching noise occurs while engine is running,
and continues a while even after engine stops.

Scraping noise in line with wiper beat.

Other type of noise

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

No

No

No

–

BODY ELECTRICAL

AUDIO SYSTEM

BE–163

1547

1997 LEXUS ES300 (RM511U)