Lexus ES300 (1997 year). Manual — part 137
V08484
9
Tape Player
CASSETTE TAPE CANNOT BE INSERTED
Yes
No
NG
Is there a foreign object inside tape player?
Is auto search button radio operating normally?
Check if RADIO No.1 fuse is OK?
Is +B applied to power amplifier?
Check if GND (wire harness side) to power amplifier is OK?
Is +B applied to radio assembly?
Check if GND (wire harness side) to radio assembly is OK?
Radio assembly faulty.
Radio assembly faulty.
Remove foreign object.
Replace fuse.
+B wire harness faulty.
GND faulty.
Power amplifier faulty.
Is ACC applied to radio assembly?
Power amplifier faulty.
10
Tape Player
CASSETTE TAPE INSERTED, BUT NO POWER
Is radio operating normal?
Check if RAD No.2 fuse is OK?
Is ACC applied to power amplifier?
Is +B applied to power amplifier?
ACC wire harness faulty.
Check if RADIO No.1 fuse is OK?
Radio assembly faulty.
Replace fuse.
Replace fuse.
+B wire harness faulty.
Power amplifier faulty.
Radio assembly faulty.
Yes
No
No
OK
Yes
OK
Yes
OK
NG
No
NG
No
No
No
No
OK
OK
Yes
Yes
Yes
Yes
NG
NG
BE–154
–
BODY ELECTRICAL
AUDIO SYSTEM
1538
1997 LEXUS ES300 (RM511U)
V08485
11
Tape Player
POWER COMING IN, BUT TAPE PLAYER NOT OPERATING
Yes
No
Radio assembly faulty.
Cassette tape faulty.
Speaker wire harness faulty.
Speaker faulty.
Power amplifier faulty.
Recheck system after repair.
Radio assembly faulty.
Recheck system after repair.
Radio assembly faulty.
Yes
No
No
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
No
Function OK if different cassette tape inserted?
Is radio operating normally?
Is there continuity in speaker wire harness?
Temporarily install another speaker.
Function OK?
Hiss noise from speaker?
Radio assembly faulty.
Recheck system after repair.
Is radio operating normally?
Speaker wire harness faulty.
Speaker faulty.
Is hiss noise produced by non–functioning speaker.
Is there continuity in speaker wire harness?
Temporarily install another speaker.
Function OK?
Radio assembly or power amplifier faulty.
12
Tape Player
EITHER SPEAKER DOES NOT WORK
Yes
–
BODY ELECTRICAL
AUDIO SYSTEM
BE–155
1539
1997 LEXUS ES300 (RM511U)
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)
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