Lexus ES300 (1997 year). Manual — part 273

V08486

13

Tape Player

SOUND QUALITY POOR (VOLUME FAINT)

Yes

No

Radio assembly faulty.

Cassette tape faulty.

Install properly.

Speaker faulty.

Head dirty.

Yes

No

No

Yes

Yes

No

No

Function OK if different cassette tape inserted?

Is radio operating normally?

Is speaker properly installed?

Temporarily install another speaker.
Function OK?

Radio assembly faulty.

Operates normally after cleaning the heads?

Function OK if different tape (less than 120 mins.) is inserted?

Operates normally after cleaning the heads?

Radio assembly faulty.

Is there a foreign object inside tape player?

Cassette tape faulty.

Remove foreign object.

Head dirty.

14

TAPE JAMMED MALFUNCTION WITH TAPE SPEED OR AUTO–REVERSE

No

No

No

Yes

Yes

Yes

Yes

14

Tape Player

TAPE JAMMED MALFUNCTION WITH TAPE SPEED OR AUTO–REVERSE

15

Tape Player

CASSETTE TAPE WILL NOT EJECTED

Radio assembly faulty.

Radio assembly faulty.

Is tape player operating normally?

Is auto search button of radio operating normally?

Check if RADIO No.1 fuse is OK?

Is –B applied to power amplifier?

Is +B applied to radio assembly?

Cassette tape jammed.

Replace fuse.

+B wire harness faulty.

Power amplifier faulty.

Yes

Yes

Yes

Yes

No

No

No

No

NG

OK

BE–156

–

BODY ELECTRICAL

AUDIO SYSTEM

1540

1997 LEXUS ES300 (RM511U)

V08487

16

CD Player

CD CANNOT BE INSERTED

Yes

No

Is CD already inserted?

Eject CD.

Radio assembly

faulty.

Is +B applied to CD player?

Check if GND wire harness side

to CD player is OK?

CD player faulty.

Replace fuse.

+B wire harness faulty.

Check if RADIO No.1 fuse is OK?

Is +B applied to power amplifier?

Check if GND (wire harness side) to radio assembly is OK?

Radio assembly faulty.

Is auto search button of radio operating normally?

No

No

Yes

Yes

Yes

No

OK

NG

OK

OK

NG

NG

17

CD Player

CD INSERTED, BUT NO POWER

Radio assembly

faulty.

Replace fuse.

Check if RADIO No.2 fuse is OK?

Is radio operating normally?

Is ACC applied to CD player?

CD player faulty.

ACC wire harness faulty.

Is ACC applied to power amplifier?

Power amplifier faulty.

Radio assembly faulty.

Is ACC applied to radio assembly?

No

No

No

No

Yes

Yes

Yes

Yes

OK

NG

–

BODY ELECTRICAL

AUDIO SYSTEM

BE–157

1541

1997 LEXUS ES300 (RM511U)

V08550

18

CD Player

POWER COMING IN, BUT CD PLAYER NOT OPERATING

Is CD inserted with correct side up?

Is radio operating normally?

Insert correctly.

CD faulty.

Protective circuit in
operation.

Formation of condensation

due to temp. changes.

Function OK if different CD inserted?

Has sudden temperature change
occurred inside cabin?

CD player faulty.

Is temperature inside cabin hot?

Speaker wire harness faulty.

Speaker faulty.

Power amplifier faulty.
Recheck system after repair.

Is there continuity in speaker wire harness?

Temporarily install another speaker.
Functions OK?

Hiss noise from speaker?

Radio assembly faulty.
Recheck system after repair.

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

No

No

CD Player

SOUND JUMPS

19

CD player faulty.

Does sound jump only during strong vibration?

Is CD player properly installed?

Functions OK if different CD inserted?

Has sudden temperature change occurred inside cabin?

Jumping caused by vibration.

Install properly.

CD faulty.

Formation of condensation due to
temp. changes.

Yes

Yes

Yes

Yes

No

No

No

No

BE–158

–

BODY ELECTRICAL

AUDIO SYSTEM

1542

1997 LEXUS ES300 (RM511U)

V08551

20

CD Player

SOUND QUALITY POOR (VOLUME FAINT)

Is radio operating normally?

CD faulty.

Function OK if different CD inserted?

CD player faulty.

Speaker faulty.

Temporarily install another speaker.
Functions OK?

Power amplifier faulty.
Recheck system after repair.

Yes

No

Temporarily install another speaker.
Function OK?

21

CD Player

EITHER SPEAKER DOES NOT WORK

Is speaker property installed?

CD player faulty.

Install properly.

Speaker wire harness faulty.

Speaker faulty.

Is hiss noise produced by non–functioning speaker?

Is there continuity in speaker wire harness?

Is radio operating normally?

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

No

No

Radio assembly or CD player or power amplifier faulty.

Radio assembly faulty.
Recheck system after repair.

–

BODY ELECTRICAL

AUDIO SYSTEM

BE–159

1543

1997 LEXUS ES300 (RM511U)