Page 810 of 4592
I03350
2RadioDISPLAY INDICATES WHEN POWER SWITCH TURNED
'ON', BUT NO SOUND (INCLUDING 'NOISE') IS PRODUCED
Radio±Tape Player Unit (Built±in Power Amplifier)
Does tape or CD player operate normally?
Check that RAD No.1 fuse is OK?
Is ACC applied to radio?
Check that RAD No.2 fuse is OK?
Is +B applied to radio?
Check that GND (wire harness side) to radio is OK?
Does continuity exist in speaker wire harness?
Temporarily install another speaker.
Radio faulty.Radio faulty.
Replace fuse.
ACC wire harness faulty.
Replace fuse.
+B wire harness faulty.
GND faulty.
Speaker wire harness faulty.
Speaker faulty. No
OK
Ye sNG
NoNo
No
No OK
OK Ye s
Ye sYe s
Ye s NG
NG Radio±CD Player Unit (Built±in Power Amplifier) BE±94
± BODY ELECTRICALAUDIO SYSTEM
2314 Author: Date:
Page 811 of 4592
V08239
Radio±Tape Player Unit (Separate Power Amplifier)
Radio±Tape Player±CD Player Unit (Separate Power Amplifier)
Does tape player operate normally?
Check that RAD No.1 fuse is OK?
Is ACC applied to power amplifier.
Check that RAD No.2 fuse is OK?
Is +B applied to power amplifier.
Check that GND (wire harness side) to power amplifier is OK?
Is ACC applied to radio assembly?
Is +B applied to radio assembly?
Check that GND (wire harness side) to radio assembly is OK?
Does continuity exist in speaker wire harness?
Temporarily install another speaker. Functions OK?
Hiss noise from speaker?
Radio assembly faulty. Recheck system after repair.Replace fuse.
ACC wire harness faulty.
Replace fuse.
+B wire harness faulty.
GND faulty.
Power amplifier faulty.
Power amplifier faulty.
GND faulty.
Speaker wire harness faulty.
Speaker faulty.
Power amplifier faulty.
Recheck system after repair. No
OK
Ye sNG
No
No No No No No No
OK
OK
OK Ye s
Ye s
Ye s
Ye s
Ye sYe s NG
NG
NG Radio±CD Player Unit (Separate Power Amplifier)
± BODY ELECTRICALAUDIO SYSTEM
BE±95
2315 Author: Date:
Page 812 of 4592
I03351
3
Radio NOISE PRESENT, BUT AM±FM NOT OPERATING
ANY SPEAKER DOSE NOT WORK Radio 4
Does tape player operate normally?Radio assembly faulty.
Separate amplifier? Hiss noise from speaker? Power amplifier faulty.
Radio assembly faulty.
Radio±Tape Player Unit (Built±in Power Amplifier)
Is hiss noise produced by non±functioning speaker?
Temporarily install another speaker. Functions OK?
Radio assembly faulty.Radio assembly faulty.
Radio assembly faulty.
Speaker wire harness faulty.
Speaker faulty. NoYe s
Ye s
Ye s
Ye sYe s
Ye s
Ye s NoNo
No
No
NoNo Does tape or CD player operate normally?
Does continuity exist in speaker wire harness? Radio±CD Player Unit (Built±in Power Amplifier)
Radio±Tape Player Unit (Separate Power Amplifier)
Radio±Tape Player±CD Player Unit (Separate Power Amplifier)
Does tape player operate normally?
Is hiss noise produced by non±functioning speaker?
Does continuity exist in speaker wire harness?
Temporarily install another speaker. Functions OK?
Power amplifier faulty. Recheck system after repair.Radio assembly faulty.
Radio assembly
Recheck system after repair.
Speaker wire harness faulty.
Speaker faulty. NoYe s
No
NoNo Ye s
Ye s
Ye s Radio±CD Player Unit (Separate Power Amplifier) BE±96
± BODY ELECTRICALAUDIO SYSTEM
2316 Author: Date:
Page 813 of 4592
I03352
5
RadioEITHER AM OR FM DOES NOT WORK, RECEPTION
POOR (VOLUME FAINT), FEWER STATION PRESETS
V08242
Radio±Tape Player Unit (Built±in Power Amplifier)
Problem with radio wave signals or location?
Are both AM or FM defective?
Is power for the antenna being output from the radio assembly?
Go to No.15
Does tape player operate normally?
Temporarily install another speaker. Functions OK?
Radio assembly faulty.Poor signals, poor location.
Radio assembly faulty.
Radio assembly faulty.
Speaker faulty.
Radio±Tape Player Unit (Separate Power Amplifier)
Radio±Tape Player±CD Player Unit (Separate Power Amplifier)
Problem with radio wave signals or location?
Are both AM and FM defective?
Is power for the antenna being output from the radio assembly?
Go to No.15
Temporarily install another speaker. Functions OK?
Hiss noise from speaker?Poor signals, poor location.
Radio assembly faulty.
Radio assembly faulty.
Speaker faulty.
Power amplifier faulty.
Recheck system after repair.
Radio assembly faulty. Recheck system after repair.Ye s NoYe s Ye s Ye s Ye sYe s Ye s Ye s Ye s Ye sYe s
No
No No No No No NoNo No No
Does tape player operate normally? Radio±CD Player Unit (Built±in Power Amplifier)
Radio±CD Player Unit (Separate Power Amplifier)
± BODY ELECTRICALAUDIO SYSTEM
BE±97
2317 Author: Date:
Page 815 of 4592
I03353
7Radio
SOUND QUALITY POOR
Radio±Tape Player Unit (Built±in Power Amplifier)
Is sound quality always bad?Is sound quality bad in
certain area only.Poor signals,
poor location.
Radio assembly faulty.
Does tape player operate normally?Radio assembly
faulty.
Is speaker properly installed?
Temporarily install another speaker. Functions OK?Installed properly.
Speaker faulty.
Radio assembly faulty.No
No
No
No
No Ye sYe s
Ye s
Ye s Ye s Radio±CD Player Unit (Built±in Power Amplifier)
Radio±Tape Player Unit (Separate Power Amplifier)
Radio±Tape Player±CD Player Unit (Separate Power amplifier)
Is sound quality always bad?Is sound quality bad only in
certain areas?Poor signals, poor
location.
Does tape player operate normally?
Radio assembly faulty. Radio assembly or power
amplifier faulty.
Radio assembly faulty.
Is speaker properly installed?
Temporarily install another speaker. Functions OK?
Radio assembly or power amplifier faulty.
Recheck system after repair.Installe properly.
Speaker faulty. No Yes
No
No
No
No
NoYe s
Ye s
Ye s
Ye s Ye s Does tape player operate normally? Radio±Tape CD Unit (Separate Power Amplifier)
± BODY ELECTRICALAUDIO SYSTEM
BE±99
2319 Author: Date:
Page 816 of 4592
I03354
8
RadioPRESET MEMORY DISAPPEARS
Can cassette tape be inserted in tape player? Radio assembly faulty.
Replace fuse.
+B wire harness faulty.
GND faulty. Check that GND (wire harness side) to radio? Is +B applied to radio assembly?Check that RAD No.1 fuse is OK?
Radio assembly faulty.
Radio±Tape Player Unit (Separate Power Amplifier)
Radio±Tape Player±CD Player Unit (Separate Power Amplifier)
Can cassette tape be inserted in tape player?
Check that RAD No.1 fuse is OK?
Is +B applied to power amplifier?
Check that GND (wire harness side) to power amplifier?
Is +B applied to radio assembly?
Check that GND (wire harness side) to radio assembly?
Radio assembly faulty.Radio assembly faulty.
Replace fuse.
+B wire harness faulty.
GND faulty.
Power amplifier faulty.
Power amplifier faulty. Ye s
No
OKNG
Ye s
Ye s
Ye s
Ye sNo
No
No
No OK
OK
OK
OKNG
NG
NG
NG Radio±Tape Player Unit (Built±in Power Amplifier)
Radio±CD Player Unit (Built±in Power Amplifier)
Radio±CD Player Unit (Separate Power Amplifier) BE±100
± BODY ELECTRICALAUDIO SYSTEM
2320 Author: Date:
Page 817 of 4592
V08246
9 Tape Player CASSETTE TAPE CANNOT BE INSERTED
Radio±Tape Player Unit (Built±in Power Amplifier)
Is there a foreign object inside tape player?
Remove foreign object.
Radio assembly faulty.
Replace fuse.
+B wire harness faulty.
GND faulty. Does auto search button of radio operate normally?
Check that RAD No.1 fuse is OK?
Is +B applied to radio assembly?
Check that GND (wire harness side) to radio assembly?
Radio assembly faulty.
Radio±Tape Player Unit (Separate Power Amplifier)
Radio±Tape Player±CD Player Unit (Separate Power Amplifier)
Is there a foreign object inside tape player? Remove foreign object.
Does auto search button radio operate normally? Radio assembly faulty.
Check that RAD No.1 fuse is OK?
Replace fuse.
Is +B applied to power amplifier?
Check that GND (wire harness side) to power amplifier is OK?
Is +B applied to radio assembly?
Check that GND (wire harness side) to radio assembly is OK?
Radio assembly faulty.+B wire harness faulty.
Power amplifier faulty.
Power amplifier faulty. Ye s
No
NG
OK No
No
No
No
No
No Ye s
Ye s
Ye s
Ye s
Ye s
Ye s OK
OK
OK
OKNG
NG
NG
NGGND faulty.
± BODY ELECTRICALAUDIO SYSTEM
BE±101
2321 Author: Date:
Page 818 of 4592
V08247
10 Tape Player CASSETTE TAPE IS INSERTED, BUT NO POWER
Radio±Tape Player Unit (Built±in Power Amplifier)
Does radio operate normally?
Check that RAD No.1 fuse is OK?
Is ACC applied to radio assembly?
Check that RAD No.1 fuse is OK?
Is +B applied to radio assembly?
Radio assembly faulty.Radio assembly faulty.
Replace fuse.
ACC wire harness faulty.
Replace fuse.
+B wire harness faulty.
Radio±Tape Player Unit (Separate Power Amplifier)
Radio±Tape Player±CD Player Unit (Separate Power Amplifier)
Does radio operate normal?
Check that RAD No.2 fuse is OK?
Is ACC applied to power amplifier?
Check that RAD No.1 fuse is OK?
Is +B applied to power amplifier?
Is ACC applied to radio assembly?Radio assembly faulty.
Replace fuse.
ACC wire harness faulty.
Replace fuse.
+B wire harness faulty.
Power amplifier faulty.
Radio assembly faulty.Ye s
NG
No OK
Ye s
Ye s
Ye s
Ye s
Ye s
Ye sNG
NG
NG No No
No
No
No
No OK
OK
OK BE±102
± BODY ELECTRICALAUDIO SYSTEM
2322 Author: Date:
