2005 TOYOTA AVENSIS diagnostic

I37583
C10±11
C10±12
I30156
Resistance (k)
Temperature (
C)
05±1528
± DIAGNOSTICSCOMBINATION METER
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1 CHECK COMBINATION METER ASSY
(a) Disconnect the connector from the combination meter
assy.
(b) Measure resistance between the terminal C10±11 and
C10±12 of the ambient temp. sensor connector at each
temperature.
Resistance:
9.0 to 9.8 k: at 0
C (0
F)
2.7 to 2.9 k: at 25
C (77
F)
HINT:
As the temperature increases, resistance decreases.
Resistance:
OK REPLACE COMBINATION METER ASSY
NG

± DIAGNOSTICSCOMBINATION METER
05±1529
AVENSIS REPAIR MANUAL (RM1018E)
2 CHECK HARNESS OR CONNECTOR
(a) Disconnect the connector from ambient temp. sensor.
(b) Check continuity between the terminal C10±11 (12) of combination meter assy and the terminal A1±1
(2) of ambient temp. sensor connector.
Standard: Continuity.
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
REPLACE OUTER AMBIENT TEMPERATURE SENSOR

I35764
I14
Body ECUCombination Meter Assy
14
C10 1
IC1
P±B MPX2
P±B
MPX1 11
P 10
IC1 29
A13 20
A15
10 9
3 24
A16P±B MPX±
MPX+
PBLT A/C Control Assembly
F19 Front Passenger's
Seat Belt Warning LightECM
B10 Front Seat Inner Belt Assy
(Occupant Detection Sensor)
to GAUGE Fuse
*1: Except Automatic A/C
*2: Automatic A/C
*3: 1AZ±FSE
*4: 1AZ±FE, 1ZZ±FE, 3ZZ±FE
*5: 1CD±FTV
*6: Except 1AZ±FE21 29
E1029
(*5) (*3) (*4)MPX2
20 1823
13
J22
J/C
C
C 1 3
W±B (*6) G±Y B±PBEW
IG
PBEW
E1 2 5 3
L±R
A
AJ16
J/C
BS ILB
J30 C
J31J/C A15 A13
A13
(*5) (*3) (*4) (*2) (*1)
(*1) (*2)
(*1) (*2)E9
MPX1
P P
(*6) 8
IC3
G±Y (*6)
W±B (*6)
W±B (*6) W±B (*6) RHD Models:
22
(*6)
R±W (*6)
W±B
(*6)E9
E10
E9 E9 C10 05±1524
± DIAGNOSTICSCOMBINATION METER
AVENSIS REPAIR MANUAL (RM1018E)
SEAT BELT WARNING LAMP FOR FRONT PASSENGER'S SEAT
DOES NOT FLASH
WIRING DIAGRAM
05C4N±01

I35765
I14
Body ECUCombination Meter Assy
14
C10 1
IC1
P±B MPX2
P±B
MPX1 11
P 10
IC1 29
A13 20
A15
10 9
3 24
A16P±B MPX±
MPX+
PBLT A/C Control Assembly
F19 Front Passenger's
Seat Belt Warning LightECM
B10 Front Seat Inner Belt Assy
(Occupant Detection Sensor)
to GAUGE Fuse
*1: Except Automatic A/C
*2: Automatic A/C
*3: 1AZ±FSE
*4: 1AZ±FE, 1ZZ±FE, 3ZZ±FE
*5: 1CD±FTV
*6: Except 1AZ±FE21 29
E1029
(*5) (*3) (*4)MPX2
20 1823
13
C10
1 3
W±B (*6) G±Y B±PBEW
IG
PBEW
E8 7 4 6
L±R
BV A15 A13
A13
(*5) (*3) (*4) (*2) (*1)
(*1) (*2)
(*1) (*2)E9
MPX1
P P
(*6) 14
IM1
G±Y (*6)
W±B LHD Models:
22
(*6)
R±W(*6)
BU
IPW±B 6 9
CHCA W±B (*6)Center J/BE9
E10 E9 E9
± DIAGNOSTICSCOMBINATION METER
05±1525
AVENSIS REPAIR MANUAL (RM1018E)

E66856
05±1526
± DIAGNOSTICSCOMBINATION METER
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1 CHECK FRONT SEAT INNER BELT ASSY
(a) Check resistance.
(1) Disconnect the connector from front seat inner belt
assy.
(2) Check resistance between the terminal 3 and 1 of
the front seat inner belt assy.
Standard:
ConditionSpecified Condition
Seat belt is fastenedNo continuity
Seat belt is unfastenedContinuity
NG REPLACE FRONT SEAT INNER BELT ASSY
OK
2 CHECK HARNESS OR CONNECTOR(A/C CONTROL ASSEMBLY±FRONT SEAT
INNER BELT ASSY)
(a) Check continuity between the terminal A13±24 / A16±3 of A/C control assembly and the terminal
F19±3 (6) of front passenger's seat belt warning light.
( ): LHD models
(b) Check continuity between the terminal F19±2 (F19±7)of front passenger's seat belt warning light and
the terminal B10±3 of front seat inner belt assy.
( ): LHD models
Standard: Continuity
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
3 CHECK THAT MALFUNCTION DISAPPEARS A KNOWN GOOD COMBINATION
METER IS INSTALLED
NG CHECK AND REPLACE AIR CONDITIONER
CONTROL ASSEMBLY
OK
CHECK AND REPLACE COMBINATION METER ASSY

I35763
I14
Body ECU
B9
Front Seat Inner Belt AssyCombination Meter Assy
Airbag Sensor AssemblyDriver Side J/B
*1: LHD Models
*2: RHD Models14
C10 1
IC1
12
IC114
DB2
DD
L±R P±B
L±R
G±Y
W±B 3
1 MPX2
BKLP±B
9 22
4
A27
19
A26 14
A28
2 3LBE+
RBE+
LBE±
RBE±(*1)
(*2) A26 A28(*1)
(*2) L±R
GSW
(*1) (*2)
(*1) (*2)DBEW(*1)
(*2)
05±1522
± DIAGNOSTICSCOMBINATION METER
AVENSIS REPAIR MANUAL (RM1018E)
SEAT BELT WARNING LAMP FOR DRIVER'S SEAT DOES NOT
OPERATE
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF HAND±HELD TESTER
(a) Operate the hand±held tester according to the steps on the display and select ºDATA LISTº.
BGW(Body):
ItemMeasurement Item/
Range (Display)Normal ConditionDiagnostic Note
D SEAT BUCKL SWDriver seat belt buckle switch ON /
OFFON: Fasten the driver seat belt
OFF: Unfasten the driver seat belt±
OK CHECK AND REPLACE COMBINATION METER
ASSY
NG
05C4M±01

I35973
43 21
± DIAGNOSTICSCOMBINATION METER
05±1523
AVENSIS REPAIR MANUAL (RM1018E)
2 CHECK FRONT SEAT INNER BELT ASSY
(a) Check resistance.
(1) Disconnect the connector from front seat inner belt
assy.
(2) Check resistance between the terminal 3 and 1 of
the front seat inner belt assy.
Standard:
ConditionSpecified Condition
Seat belt is fastenedNo continuity
Seat belt is unfastenedContinuity
NG REPLACE FRONT SEAT INNER BELT ASSY
OK
3 CHECK HARNESS OR CONNECTOR(BODY ECU±FRONT SEAT INNER BELT
ASSY)
(a) Check continuity between the terminal I14±9 of body ECU and the terminal A27±4 of airbag sensor
assembly.
(b) Check continuity between the terminal A28±14 (A26±19) / A28±3 (A26±2)of airbag sensor assembly
and the terminal B9±3 / B9±1 of front seat inner belt assy.
( ): LHD Models
Standard: Continuity
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
4 CHECK THAT MALFUNCTION DISAPPEARS A KNOWN GOOD COMBINATION
METER IS INSTALLED
NG CHECK AND REPLACE BODY ECU
OK
CHECK AND REPLACE COMBINATION METER ASSY

I35761
Combination Meter Assy
Fuse Block
Driver Side J/B
Center J/B
Ignition Switch
Engine Room J/B No.1 and R/B No.1
Engine Room R/B No.3FL MAIN
Battery
ALTAM2 DCC
J15
J/C AM1 IG1
AM2 IG2J/CJ/C
DOME
IGN
GAUGE1 IG1 Relay
AM1B±WC1120
22
21
5
W±B A
IL IP IJ IK B B±RIE4 IP111 B±R6 1
4 3
G±RG±YW±BW±BR±W J11
J26 J10 6 2 1
IE4 IP154
B±W218
7
5
9
1 DA
DB DH
DN1
ED11C11
C11
C11 W±R(*2) W±R
(*1) H
F F F
W±RJ26 6
B±W
(*2) (*1)
DH DH
DA 21 53J26 J26J8 J8CA
CA (*1) (*2)
(*1) (*2) (*1) (*2)
W±B 7
6
6 6
CA
CACD
CK
(*2)
(*1)
(*2) W±B
(*1) 1
11
2
1
2
1 1A
B
W3
33 1
2B±RR±W Diesel Engine Type (1CD±FTV):
B±W
*1: LHD Models
*2: RHD Models B±L
± DIAGNOSTICSCOMBINATION METER
05±1519
AVENSIS REPAIR MANUAL (RM1018E)
ENTIRE COMBINATION METER DOES NOT OPERATE
WIRING DIAGRAM
05C4L±01