1996 TOYOTA T100 check engine

Downloaded from www.Manualslib.com manuals search engine 1 Radio NO POWER COMING IN
SU P
Ye s
No
R
Ye sNo
No
No Ye s Ye s OK
NG
NG
OK RS
U
RS U P
P
RSU
P S R
US
UP Is tape player operating normally?
Radio faulty.
Radio assembly faulty.
Check if RADIO fuse is OK.
Replace fuse.
Is ACC applied to power amplifier?
Is ACC for the radio assembly being
output from the power amplifier?ACC wire harness faulty.
Power amplifier faulty.
Check if GND (wire harness side) to
power amplifier is OK.
Is ACC applied to radio assembly?
ACC wire harness faulty.
Check if GND (wire harness side) to radio is OK.GND faulty.
Power Amplifier faulty.
GND wire harness faulty.
Radio faulty.
Radio assembly faulty. R
PSU : Radio : Radio + Tape Player
: Radio − Tape Player (Built−in Power Amplifier)
: Radio − Tape Player (Separate Power Amplifier)
P
NG
OK
BE−64
− BODY ELECTRICALAUDIO SYSTEM
1996 TOYOTA T100 (RM449U)
2. AUDIO SYSTEM

Downloaded from www.Manualslib.com manuals search engine 2 Radio POWER COMING IN, BUT RADIO NOT OPERATING
RS
P U
RU
RS
US
UP : Radio
: Radio − Tape Player (Separate Power Amplifier): Radio + Tape Player: Radio − Tape Player (Built−in Power Amplifier)
Ye s
Ye s Ye s
Ye s
Ye s
No No No
No No No Is tape player operating normally?
Is there continuity in speaker wire harness?
Temporarily install another speaker, Functions OK?Speaker wire harness faulty.Radio assembly faulty. If radio side faulty
Radio faulty.
Go to No. 17.
Hissing sound from speaker?Radio faulty.
Radio faulty. Radio assembly faulty.
Radio assembly faulty. Go to No. 17. Is tape player operating normally?Speaker faulty.
Power amplifier faulty, Recheck system after repair.
Radio assembly faulty. Recheck system after repair.
3 Radio NOISE PRESENT, BUT AM−FM NOT OPERATING
: Radio: Radio + Tape Player
: Radio − Tape Player (Separate Power Amplifier)
Hissing sound from speaker?Power amplifier faulty, Recheck system after repair.
Radio assembly faulty.If radio side faulty
RS U
SU
P
SU
P
P
SU
P
P R
S
SU
R
SUP R
R
SUP
Ye s: Radio − Tape Player (Built−in Power Amplifier)
− BODY ELECTRICALAUDIO SYSTEM
BE−65
1996 TOYOTA T100 (RM449U)

Downloaded from www.Manualslib.com manuals search engine R : Radio S : Radio + Tape Player U : Radio − Tape Player (Built−in Power Amplifier)
Radio 4 ANY SPEAKER DOES NOT WORK
P : Radio − Tape Player (Separate Power Amplifier)
SU P
R
RSUPS
S
U
P RUP
Ye s No
Ye s Ye s
Ye s No
NoNo Is tape player operating normally?
Is hiss produced by non−functioning speaker?Radio faulty. Radio assembly faulty.
Is there continuity in speaker wire harness?
Temporarily install another speaker. Functions OK?Speaker wire harness faulty.
Speaker faulty.Radio faulty.
Radio assembly faulty.
Radio assembly faulty.
Recheck system after repair.
S
U
P R
Radio faulty.
Radio assembly faulty.
Radio assembly faulty.
Recheck system after repair.
BE−66
− BODY ELECTRICALAUDIO SYSTEM
1996 TOYOTA T100 (RM449U)

Downloaded from www.Manualslib.com manuals search engine 5 RadioEITHER AM OR FM DOES NOT WORK, RECEPTION
POOR (VOLUME FAINT), FEW PRESET TUNING BANDS
R : Radio S : Radio + Tape Player U : Radio − Tape player (Built−in Power Amplifier)
Are both AM and FM defective?
P : Radio − Tape Player (Separate Power Amplifier)
No
Ye sNo
No
No
No
No Ye s
Ye s
Ye s
Ye s
Ye s Problem with radio wave signals or location?Poor signals, poor location.
Adjust antenna trimmer (See page BE−82).
Speaker faulty. Electronic Tuning
Radio type?Radio or radio
assembly faulty.
Which band is poor?
If radio side faulty.
Is tape player operating normally?
Temporarily install another speaker. Functions OK?Radio faulty.
Go to No.17
Radio assembly faulty.
Hissing sound from speaker?
Radio assembly faulty. Recheck system after repair.Power amplifier faulty. Recheck system after repair. P
FM
AM
Radio faulty.
Radio assembly faulty.RSU
RS
U
− BODY ELECTRICALAUDIO SYSTEM
BE−67
1996 TOYOTA T100 (RM449U)

Downloaded from www.Manualslib.com manuals search engine CANNOT SET STATION SELECT BUTTON, PRESET
MEMORY DISAPPEARS 7 Radio
Can cassette tape be inserted in tape player?
Check if DOME fuse is OK?Radio assembly faulty. R : Radio S : Radio + Tape Player U : Radio − Tape Player (Built−in Power Amplifier)
Replace fuse.
Is B + applied to power amplifier? B + Wire harness faulty.
GND faulty. Check if GND (wire harness side) to
power amplifier?
Check if GND (wire harness side) to radio or
radio assembly?Ye s
No
NG OK P : Radio − Tape Player (Separate Power Amplifier)
P
S
P RU
SU P
SU PR
RSU
R
Ye s
Ye sNo NG
NG
OK
OKGND faulty. Is B + applied to radio or radio assembly?
Power amplifier faulty.
Radio or radio assembly faulty.
Power amplifier faulty. S
P RU No
B + Wire harness faulty.
− BODY ELECTRICALAUDIO SYSTEM
BE−69
1996 TOYOTA T100 (RM449U)

Downloaded from www.Manualslib.com manuals search engine 8 Tape Player CASSETTE TAPE CANNOT BE INSERTED
S : Radio + Tape Player U : Radio − Tape Player (Built−in Power Amplifier)
Is there a foreign object inside tape player?Remove foreign object.
Is radio operating normally?Tape Player faulty.
Radio assembly faulty.
Check if DOME fuse is OK?Replace fuse.
Is B + applied to tape player?
B + wire harness faulty.B + wire harness faulty.
Check if GND (wire harness side) to tape player is OK? GND faulty. Ye s
No
NG
OKS
S
SU
U
UP
P
P
P
P
SU P
S U
P
SP P : Radio − Tape Player (Separate Power Amplifier)
Ye s
Ye s No
No
No
Ye sNG
NG OK
OKTape Player faulty.
Radio assembly faulty.Is B + applied to power amplified?
Check if GND (wire harness side) to power amplifier is OK?
GND faulty. Is B + applied to radio assembly?
Check if GND (wire harness side) to radio
assembly is OK?Power amplifier faulty.
Power amplifier faulty.
BE−70
− BODY ELECTRICALAUDIO SYSTEM
1996 TOYOTA T100 (RM449U)

Downloaded from www.Manualslib.com manuals search engine 9 Tape Player CASSETTE TAPE INSERTS, BUT NO POWER
S : Radio + Tape player U : Radio − Tape Player (Built−in Power Amplifier)
P : Radio − Tape Player (Separate Power Amplifier)
Is radio operating normally? S
UP
SP
P
S
U
UP
Ye s
NG No
OK
Ye s
NoNo
Is there continuity
in ACC speaker
wire harness? Check if CIG & RAD fuse is OK?Replace fuse.
Is ACC applied to power amplifier? S
PIs ACC applied to tape player? ACC wire harness faulty.
Is ACC applied to radio assembly?
Radio assembly faulty. ACC wire harness faulty.
Tape player faulty.
Radio assembly faulty.
Tape player faulty.
Ye sPower amplifier
faulty.
No Ye sNo
− BODY ELECTRICALAUDIO SYSTEM
BE−71
1996 TOYOTA T100 (RM449U)

Downloaded from www.Manualslib.com manuals search engine S
UP S : Radio + Tape player U : Radio − Tape Player (Built−in Power Amplifier)
P : Radio − Tape Player (Separate Power Amplifier)
Ye s
Ye s
Ye s No
No
NoRadio assembly faulty. 10 Tape Player POWER COMING IN, BUT TAPE PLAYER NOT OPERATION
Tape player faulty. Is radio operating normally?Cassette tape faulty. Functions OK if different cassette tape inserted?
Is there, continuity in speaker wire harness? Speaker wire harness faulty.
Temporarily install another speaker. Functions OK? Speaker faulty.Ye s
No
P
S
Ye sNo
P
UTape player faulty.
Radio assembly faulty.
Power amplifier faulty. Recheck system after
repair. Hissing sound from speaker?
Radio assembly faulty. Recheck system after repair.
SU
BE−72
− BODY ELECTRICALAUDIO SYSTEM
1996 TOYOTA T100 (RM449U)