2001 TOYOTA AVALON Service Repair Manual

H01015H01059H01037H01161
Airbag
Sensor
Assembly
(-)(+) Side Airbag Sensor
Assembly (RH)
VUPRAirbag Sensor
Assembly
SSR-
VUPR
SSR-
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-449
605 Author
: Date
:
5 Check wire harness.
PREPARATION:
Using a service wire, connect VUPR and SSR- of the connector
(on the side airbag sensor assembly side) between the side air-
bag sensor assembly (RH) and airbag sensor assembly.
CHECK:
For the connector (on the airbag sensor assembly side) be-
tween the side airbag sensor assembly (RH) and the airbag
sensor assembly, measure the resistance between VUPR and
SSR-.
OK:
Resistance: Below 1 W
NG Repair or replace harness or connector be-
tween side airbag sensor assembly (RH) and
airbag sensor assembly.
OK

H01013H01038H01162
Side Airbag Sensor
Assembly (RH)
Airbag
Sensor
Assembly
Airbag Sensor Assembly
SSR+ (+)VUPR
SSR-
(-)
AB0119
H01013
H01039
H08270
Side Airbag Sensor
Assembly (RH)
Airbag
Sensor
Assembly
Airbag Sensor Assembly
SSR+
(+)VUPRSSR-
(-)
ESR
ON
DI-450
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
606 Author
: Date
:
6 Check wire harness (to ground).
CHECK:
For the connector (on the airbag sensor assembly side) be-
tween the side airbag sensor assembly (RH) and the airbag
sensor assembly, measure the resistance between body
ground and each of SSR+, VUPR and SSR-.
OK:
Resistance: 1M W or Higher
NG Repair or replace harness or connector be-
tween side airbag sensor assembly (RH) and
airbag sensor assembly.
OK
7 Check wire harness (to B+).
CHECK:
(a) Turn the ignition switch to ON.
(b) For the connector (on the airbag sensor assembly side)
between the side airbag sensor assembly (RH) and the
airbag sensor assembly, measure the voltage between
the body ground and each of SSR+, VUPR, ESR and
SSR-.
OK:
Voltage: 0 V
NG Repair or replace harness or connector be-
tween side airbag sensor assembly (RH) and
airbag sensor assembly.
OK

AB0118
R13006AB0119H01012
H01065H01164
Airbag
Sensor
Assembly Side Airbag Sensor
Assembly (RH)
E1 TcACC
ON
or
" u
DTC B1140/32 " u
DLC1
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-451
607 Author
: Date
:
8 Is DTC B1140/32 out put again?
PREPARATION:
(a) Connect the connector to the side airbag sensor assem-
bly (RH).
(b) Connect the connector to the airbag sensor assembly.
(c) Connect negative (-) terminal cable to the battery, and
wait at least for 2 seconds.
CHECK:
(a) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
(b) Clear the DTC stored in memory
(See step 5 on page DI-349).
(c) Turn the ignition switch to LOCK, and wait at least for 20
seconds.
(d) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
(e) Check the DTC (See page DI-349).
HINT:
Codes other than code B1140/32 may be output at this time, but
they are not relevant to this check.
YES Go to step 9.
NO
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.

AB0118
R13006AB0119H01012
H01065H01164
Airbag
Sensor
Assembly Side Airbag Sensor
Assembly (LH)
E1 TcACC
ON
or
DTC B1140/32 " u
DLC1
DI-452
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
608 Author
: Date
:
9 Check airbag sensor assembly.
PREPARATION:
(a) Turn the ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
and wait at least for 90 seconds.
(c) Disconnect the side airbag sensor (RH) from the connec-
tor and connect the side airbag sensor (LH) to the con-
nector.
(d) Connect negative (-) terminal cable to the battery, and
wait at least for 2 seconds.
CHECK:
(a) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
(b) Clear the DTC stored in memory
(See step 5 on page DI-349).
(c) Turn the ignition switch to LOCK, and wait at least for 20
seconds.
(d) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
(e) Check the DTC (See page DI-349).
OK:
DTC B1140/32 is not output.
HINT:
Codes other than code B1140/32 may be output at this time, but
they are not relevant to this check.
NG Replace airbag sensor assembly.
OK

AB0118
R13006AB0119H01007
H01066H01170
Airbag
Sensor
Assembly
Side Airbag Sensor
Assembly (RH)
E1
TcACC ON
or
DTC B1141/33 " u
DLC1
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-453
609 Author
: Date
:
10 Check side airbag sensor assembly (RH).
PREPARATION:
(a) Turn the ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
and wait at least for 90 seconds.
(c) Connect the side airbag sensor (RH) to the connector that
the side airbag sensor (LH) was connected to.
(d) Connect negative (-) terminal cable to the battery, and
wait at least for 2 seconds.
CHECK:
(a) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
(b) Clear the DTC stored in memory
(See step 5 on page DI-349).
(c) Turn the ignition switch to LOCK, and wait at least for 20
seconds.
(d) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
(e) Check the DTC (See page DI-349).
OK:
DTC B1141/33 is not output.
HINT:
Codes other than code B1141/33 may be output at this time, but
they are not relevant to this check.
NG Replace side airbag sensor assembly (RH).
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.

H01450
Side Airbag Sensor Assembly (LH)
Airbag Sensor Assembly
LG-B
L-W
P-L ESL
SSL+
VUPL4
3
2
1C512
10
9
7 GR-L
ESL
SSL-
SSL+
VUPL C5
C5
C5 SSL- DI-454
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
610 Author
: Date
:
DTC B1141/33 Side Airbag Sensor Assembly (LH)
Malfunction
CIRCUIT DESCRIPTION
The side airbag sensor assembly (LH) consists of the safing sensor, diagnosis circuit and lateral deceleration
sensor, etc.
It receives signals from the lateral deceleration sensor, judges whether or not the SRS must be activated,
and detects diagnosis system malfunction.
DTC B1141/33 is recorded when occurrence of a malfunction in the side airbag sensor assembly (LH) is
detected.
DTC No.DTC Detecting ConditionTrouble Area
B1141/33
Side airbag sensor assembly (LH) malfunction

Side airbag sensor assembly (LH)

Airbag sensor assembly

Wire harness
WIRING DIAGRAM
DI6N1-01

AB0118AB0119R13006H09530H09529
ACCON
or
E1
TcDTC B1141/33
DLC1
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-455
611 Author
: Date
:
INSPECTION PROCEDURE
1 Is DTC B1141/33 out put?
CHECK:
(a) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
(b) Clear the DTC stored in memory
(See step 5 on page DI-349).
(c) Turn the ignition switch to LOCK, and wait at least for 20
seconds.
(d) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
(e) Check the DTC (See page DI-349).
HINT:
Codes other than code B1141/33 may be output at this time, but
they are not relevant to this check.
NO The malfunctioning part can now be considered
normal. To make sure of this, use the simulation
method to check.
YES
2 Is connector of side airbag sensor assembly (LH) properly connected?
3 Prepare for inspection (See step 1 on page DI-475).

H01058H01050
H01010
H01166
Airbag
Sensor
Assembly
(-)(+)
SSL+ Airbag Sensor
Assembly
ESL SSL+
ESL
Side Airbag Sensor
Assembly (LH)u"
DI-456
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
612 Author
: Date
:
4 Check wire harness.
PREPARATION:
(a) Disconnect the side airbag sensor assembly (LH).
(b) Using a service wire, connect SSL+ and ESL of the con-
nector (on the side airbag sensor assembly side) between
the side airbag sensor assembly (LH) and the airbag sen-
sor assembly.
CHECK:
For the connector (on the airbag sensor assembly side) be-
tween the side airbag sensor assembly (LH) and the airbag
sensor assembly, measure the resistance between SSL+ and
ESL.
OK:
Resistance: Below 1 W
NG Repair or replace harness or connector be-
tween side airbag sensor assembly (LH) and air-
bag sensor assembly.
OK