TOYOTA AVENSIS 2005 Service Repair Manual

E50013
05±1422
± DIAGNOSTICSAUDIO SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
CD CANNOT BE INSERTED OR IS EJECTED RIGHT AFTER
INSERTION
INSPECTION PROCEDURE
1 CHECK IF A PROPER CD IS INSERTED
(a) Check if a proper CD is inserted.
(1) Make sure that the CD is normal audio CD, and that there is no deformation, flaw, stain, burr and
other defects on the CD.
Standard: Normal audio CD.
Reference:

Translucent or different±shaped CD cannot be played.

CD±ROM for the computers (with music recorded in) and recorded CD ±R may not be played.
NG CD FAULTY
OK
2 CHECK IF A CD IS INSERTED PROPERLY
(a) Check that a CD is inserted properly.
(1) Check whether or not the CD is inserted upside down.
Standard: Not upside down.
NG SET DISC CORRECTLY
OK
3 DISC CLEANING
(a) Disk cleaning
(1) If the disk gets dirty, clean the disk by wiping the sur-
face from the center to outside in the radial direc-
tions with a soft cloth.
NOTICE:
Do not use a conventional record cleaner or anti±static pre-
servative.
Standard: Malfunction disappears.
OK DISC DIRTY
NG
05C51±01

± DIAGNOSTICSAUDIO SYSTEM
05±1423
AVENSIS REPAIR MANUAL (RM1018E)
4 REPLACE CD WITH ANOTHER AND RECHECK
(a) Replace the CD with another and recheck.
(1) Replace the CD with onother normal one to see if the same trouble occurs again.
Standard: Malfunction disappears.
OK CD FAULTY
NG
REPLACE RADIO RECEIVER ASSY

05±1420
± DIAGNOSTICSAUDIO SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
RADIO BROADCAST CANNOT BE RECEIVED (BAD RECEPTION)
INSPECTION PROCEDURE
1 CHECK IF RADIO AUTO±SEARCH FUNCTIONS PROPERLY
(a) Check if the radio auto±search functions properly.
(1) Perform the auto±search of the radio and check that it functions normally.
Standard: The radio auto±search functions properly.
OK REPLACE RADIO RECEIVER ASSY
NG
2 CHECK OPTIONAL COMPONENT
(a) Check optional component (Sun shade film, telephone antenna etc.).
(1) Check whether or not any optional component is installed, such as the sunshade film and the
telephone antenna.
Standard: Optional component is installed.
OK EFFECT FROM OPTIONAL COMPONENT
NG
3 CHECK ANTENNA FOR NOISE PRODUCTION
(a) Noise Check with Antenna.
(1) With the ignition switch in ACC, turn on the radio and choose the AM mode.
(2) Place a tip of a screwdriver or the antenna of the antenna assembly w/ holder and check that
the noise heard from the speaker.
Standard: Noise occurs.
OK REPLACE RADIO RECEIVER ASSY
NG
0549R±06

E50367
± DIAGNOSTICSAUDIO SYSTEM
05±1421
AVENSIS REPAIR MANUAL (RM1018E)
4 INSPECT RADIO RECEIVER ASSY(ANTENNA)
(a) Preparation for Check
(1) Remove the antenna plug of the radio receiver
assy.
(b) Noise Check
(1) With the radio receiver assy connector connected,
turn the ignition switch to ACC.
(2) Turn on the radio and choose the AM mode.
(3) Place a flat±head screwdriver or a metal such as a
thin wire on the antenna jack of the radio receiver
assy and check that the noise heard from the
speaker.
Standard: Noise occurs.
OK REPLACE RADIO RECEIVER ASSY
NG
REPLACE ANTENNA CORD SUB±ASSY

± DIAGNOSTICSAUDIO SYSTEM
05±1419
AVENSIS REPAIR MANUAL (RM1018E)
NOISE OCCURS
INSPECTION PROCEDURE
1 CHECK OF SPEAKER INSTALLATION
(a) Check the speaker installation condition.
(1) Check that each speaker is securely installed.
Standard: Malfunction disappears.
HINT:
The radio is equipped with the noise prevention system that works against only the excessively large noise,
thereby excessively large noise do not occur in the radio. If large noise occurs, check whether or not the earth
on the antenna installation part and the proper noise±prevention equipment are all installed, and whether
or not the improper wiring is held.
Condition in which noise occursNoise type
Depressing the acceleration pedal increases noise, and stopping the engine
erases the noise immediately.Alternator noise
Noise occurs during the A/C or the heater operation.Blower motor noise
Rapid acceleration during the drive on the unpaved road or after the IG
switch is turned ON makes noise.Fuel pump noise
Pressing and then releasing the horn switch, and keeping pressing the horn
switch makes noise.Horn noise
Stopping the engine erases the small noise that has been heard.Ignition noise
Noise occurs in turn with the blink of the turn signal flash.Flasher noise
Noise occurs during the window washer operation.Washer noise
Noise occurs during the engine running, and it continues to occur after the
engine is stopped.Water temperature sensor noise
Noise occurs during the wiper operation.Wiper noise
Noise occurs when the brake pedal is depressed.Stop light switch noise
Others.Static electricity on the vehicle
HINT:

Identify the condition under which the noise occurs, and check the noise filter on the related part.

Make sure first that there is no noise from outside. Failing to do so makes the noise occurrence source
detection impossible and leads to misunderstanding.

The noise should be removed in descending order of loudness.
NG INSTALL IT PROPERLY
OK
IDENTIFICATION OF NOISE SOURCE
054A1±09

I35617
FR+
FR± Radio Receiver Assy
R9 LG (*1)
LG
IL11
L (*1) T15
Front No.2 Speaker Assy RH
F20
Front No.1
Speaker Assy RH1
2
13 P
V2 4 (+) OUT
(±) OUT(±) IN (+) IN
L
IL16
R91
5
P (*2)
IA11
P
4 (+) OUT
(±) OUT(±) IN (+) IN
2 13
1
2
L LGT14
Front No.2 Speaker Assy LH
F19
Front No.1
Speaker Assy LH
V V (*2)
IA16R9
R92
6FL+
FL±
R
R R
IM2
BC19 17 T17
Rear No.2 Speaker Assy RH
(+) OUT
(±) OUT(±) IN (+) IN4
2 13
1
2 B
Y R25
Rear No.1
Speaker Assy RH
WW
W
BC1IM2 7
18R101
RR+
RR±
R103
R10
R102
6 B
B B
Y Y YIC2
IC2 BA1
BA11 7
1710 4
2 (+) OUT
(±) OUT(±) IN (+) IN
13
1
2 R
W T16
Rear No.2 Speaker Assy LH
R24
Rear No.1
Speaker Assy LH
*1: LHD, RHD w/o Multi±display
*2: RHD, LHD w/o Multi±displayRL± RL+
± DIAGNOSTICSAUDIO SYSTEM
05±1415
AVENSIS REPAIR MANUAL (RM1018E)
SOUND QUALITY IS BAD IN ALL MODES (VOLUME IS TOO LOW)
WIRING DIAGRAM
05C50±01

05±1416
± DIAGNOSTICSAUDIO SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1 ADJUST SOUND QUALITY
(a) Adjust the sound quality.
(1) Operate the radio receiver assy to adjust the sound quality.
Standard: Malfunction disappears.
OK BAD SOUND QUALITY
NG
2 COMPARE IT WITH ANOTHER CAR OF SAME MODEL
(a) Compare it with another vehicle of the same models.
(1) Compare with the vehicle of the same type which does not have a trouble to see if there is any
difference in the condition of trouble occurrence.
Standard: No difference found.
OK SETTING
NG

I35618
FL+RR+FR+
FL±FR±
RL+
RR±RL+
Front No.1 Speaker AssyRear No.1 Speaker Assy
Front No.2 Speaker Assy Rear No.2 Speaker Assy
±
DIAGNOSTICS AUDIO SYSTEM
05±1417
AVENSIS REPAIR MANUAL (RM1018E)
3CHECK HARNESS AND CONNECTOR(RADIO RECEIVER ASSY ± SPEAKER
ASSY)
(a)Disconnect the connectors from the radio receiver assy
and speakers.
(1)Check continuity between terminals at each condi-tion, as shown in the chart.
Tester connectionSpecified
condition
FL+ ± 1 (Front No.1 speaker assy LH)Continuity
FL± ± 2 (Front No.1 speaker assy LH)Continuity
FR+ ± 1 (Front No.1 speaker assy RH)Continuity
FR± ± 2 (Front No.1 speaker assy RH)Continuity
FL+ ± 4 (Front No.2 speaker assy LH)Continuity
FL± ± 2 (Front No.2 speaker assy LH)Continuity
FR+ ± 4 (Front No.2 speaker assy RH)Continuity
FR± ± 2 (Front No.2 speaker assy RH)Continuity
RL+ ± 1 (Rear No.1 speaker assy LH)Continuity
RL± ± 2 (Rear No.1 speaker assy LH)Continuity
RR+ ± 1 (Rear No.1 speaker assy RH)Continuity
RR± ± 2 (Rear No.1 speaker assy RH)Continuity
RL+ ± 4 (Rear No.2 speaker assy LH)Continuity
RL± ± 2 (Rear No.2 speaker assy LH)Continuity
RR+ ± 4 (Rear No.2 speaker assy RH)Continuity
RR± ± 2 (Rear No.2 speaker assy RH)Continuity
(2)Check for a short between terminals at each condi- tion, as shown in the chart.
Tester connectionSpecified
condition
FL+ ± Body groundNo Continuity
FL± ± Body groundNo Continuity
FR+ ± Body groundNo Continuity
FR± ± Body groundNo Continuity
RL+ ± Body groundNo Continuity
RL± ± Body groundNo Continuity
RR+ ± Body groundNo Continuity
RR± ± Body groundNo Continuity
NGREPAIR OR REPLACE HARNESS OR CONNECTOR(See page 01±32)
OK

05±1418
± DIAGNOSTICSAUDIO SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
4 INSPECT FRONT NO.1 SPEAKER ASSY
(a) Resistance check.
(1) Check the resistance between the terminals of the speaker.
NOTICE:
The speaker should not be removed for checking.
Standard value: 4

NG REPLACE FRONT NO.1 SPEAKER ASSY
OK
5 INSPECT FRONT NO.2 SPEAKER ASSY
(a) Check that malfunction disappears when a known good speaker is installed.
Standard: Malfunction disappears.
HINT:
Connect the all connectors of speakers.
NG REPLACE FRONT NO.2 SPEAKER ASSY
OK
6 INSPECT REAR NO.1 SPEAKER ASSY
(a) Resistance check.
(1) Check the resistance between the terminals of the speaker.
NOTICE:
The speaker should not be removed for checking.
Standard value: 4

NG REPLACE REAR NO.1 SPEAKER ASSY
OK
7 INSPECT REAR NO.2 SPEAKER ASSY
(a) Check that malfunction disappears when a known good speaker is installed.
Standard: Malfunction disappears.
HINT:
Connect the all connectors of speakers.
NG REPLACE REAR NO.2 SPEAKER ASSY
OK
REPLACE RADIO RECEIVER ASSY

I35615
Battery FL MAIN
B±G (*1)B±G (*1)
4B 4A 4D
1 11
12 ALT
B±G (*1) B±G (*1)
Engine Room R/B No.4, Engine Room J/B No.4 1A1 DCC
1 Engine Room R/B No.1, Engine Room J/B No.1 B (*2) B (*2)
33
3 ALT
12W (*2)
ED11 B±L (*2)
B±W
IP1 IE454
(*6) (*3)B±W
6 6
1 2 RAD No.2Fuse Block
Engine Room R/B No.3 L±Y (*3)
L±Y (*4)
L±Y (*5)
INBR (*3)
W±B (*6)R9GND 7 DNDB DH
DH1 134
AM1 RAD No.1 Driver Side J/B
G±R I12 Ignition Switch
AM1 ACC
3 2GGR
J8 J8J20 J20 FF FF J/C
GR
R9 R9
ACC CE CB4
8 Center J/B
L±Y (*3) L±Y (*4) L±Y (*5)L±Y (*5) J24
J/C
EE
4
3+B Radio Receiver Assy
*1: Gasoline
*2: 1CD±FTV
*3: LHD*4: RHD, 1CD±FTV, w/o Multi±display
*5: RHD, Except *4
*6: RHD(*3) (*3)(*6) (*6)
1
2
± DIAGNOSTICSAUDIO SYSTEM
05±1413
AVENSIS REPAIR MANUAL (RM1018E)
POWER SOURCE CIRCUIT (RADIO RECEIVER ASSY)
WIRING DIAGRAM
05C4Z±01