Page 1111 of 1897
H01001H02146
AB0119
H11570
D SquibSpiral
Cable
Airbag
Sensor
Assembly
D+
(-) (+)
ON
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-375
531 Author: Date:
2001 AVALON (RM808U)
DTC B0103/12 Short in D Squib Circuit (to B+)
CIRCUIT DESCRIPTION
The D squib circuit consists of the airbag sensor assembly, spiral cable and steering wheel pad.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0103/12 is recorded when a B+ short is detected in the D squib circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0103/12
Short circuit in D squib wire harness (to B+)
D squib malfunction
Spiral cable malfunction
Airbag sensor assembly malfunctionSteering wheel pad (D squib)
Spiral cable
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
See page DI-362.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-475).
2 Check D squib circuit.
CHECK:
(a) Turn ignition switch to ON.
(b) For the connector (on the spiral cable side) between the
spiral cable and the steering wheel pad, measure the volt-
age between D+ and body ground.
OK:
Voltage: 0 V
NG Go to step 5.
OK
DI4DN-02
Page 1115 of 1897
H01454
P Squib
10Airbag Sensor Assembly
2Y-R
C6
Y-G 1
11P+
P-
C6
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-379
535 Author: Date:
2001 AVALON (RM808U)
DTC B0105/53 Short in P Squib Circuit
CIRCUIT DESCRIPTION
The P squib circuit consists of the airbag sensor assembly and front passenger airbag assembly.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0105/53 is recorded when a short is detected in the P squib circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0105/53
Short circuit in P squib wire harness
P squib malfunction
Airbag sensor assembly malfunctionFront passenger airbag assembly (P squib)
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
DI4CO-03
Page 1119 of 1897
R14286H02142H02251
P Squib
Airbag
Sensor
Assembly
P +
P-
(-)(+)
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-383
539 Author: Date:
2001 AVALON (RM808U)
DTC B0106/54 Open in P Squib Circuit
CIRCUIT DESCRIPTION
The P squib circuit consists of the airbag sensor assembly and front passenger airbag assembly.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0106/54 is recorded when an open is detected in the P squib circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0106/54
Open circuit in P+ wire harness or P- wire harness of
squib
P squib malfunction
Airbag sensor assembly malfunctionFront passenger airbag assembly (P squib)
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
See page DI-379.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-475).
2 Check P squib circuit.
CHECK:
For the connector (on the front passenger airbag assembly
side) between the front passenger airbag assembly and the air-
bag sensor assembly, measure the resistance between P+ and
P-.
OK:
Resistance: Below 1 W
NG Repair or replace harness or connector be-
tween front passenger airbag assembly and air-
bag sensor assembly.
OK
DI4CP-03
Page 1122 of 1897
H01227H02145H02254
P Squib
Airbag
Sensor
Assembly
(+)
(-)P+
DI-386
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
542 Author: Date:
2001 AVALON (RM808U)
DTC B0107/51 Short in P Squib Circuit (to Ground)
CIRCUIT DESCRIPTION
The P squib circuit consists of the airbag sensor assembly and front passenger airbag assembly.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0107/51 is recorded when ground short is detected in the P squib circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0107/51
Short circuit in P squib wire harness (to ground)
P squib malfunction
Airbag sensor assembly malfunctionFront passenger airbag assembly (P squib)
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
See page DI-379.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-475).
2 Check P squib circuit.
CHECK:
For the connector (on the front passenger airbag assembly
side) between the front passenger airbag assembly and the air-
bag sensor assembly, measure the resistance between P+ and
body ground.
OK:
Resistance: 1 MW or Higher
NG Repair or replace harness or connector be-
tween front passenger airbag assembly and air-
bag sensor assembly.
OK
DI4CQ-02
Page 1125 of 1897
H01022
H02146AB0119H04524
P SquibAirbag
Sensor
Assembly
(-) (+)P+
ON
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-389
545 Author: Date:
2001 AVALON (RM808U)
DTC B0108/52 Short in P Squib Circuit (to B+)
CIRCUIT DESCRIPTION
The P squib circuit consists of the airbag sensor assembly and front passenger airbag assembly.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0108/52 is recorded when a B+ short is detected in the P squib circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0108/52
Short circuit in P squib wire harness (to B+)
P squib malfunction
Airbag sensor assembly malfunctionFront passenger airbag assembly (P squib)
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
See page DI-379.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-475).
2 Check P squib circuit.
CHECK:
(a) Turn the ignition switch to ON.
(b) For the connector (on the front passenger airbag assem-
bly side) between the front passenger airbag assembly
and the airbag sensor assembly, measure the voltage be-
tween the P+ and body ground.
OK:
Voltage: 0 V
NG Repair or replace harness or connector be-
tween front passenger airbag assembly and air-
bag sensor assembly.
OK
DI4CR-02
Page 1128 of 1897
H01454
Side Squib (RH)Airbag Sensor Assembly
FR+
FR- Y-R
Y-G 1
21 2
C7
C7 DI-392
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
548 Author: Date:
2001 AVALON (RM808U)
DTC B0110/43 Short in Side Squib (RH) Circuit
CIRCUIT DESCRIPTION
The side squib (RH) circuit consists of the airbag sensor assembly and side airbag assembly (RH).
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0110/43 is recorded when a short is detected in the side squib (RH) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0110/43
Short circuit between FR+ wire harness and FR- wire
harness of squib
Side squib (RH) malfunction
Airbag sensor assembly malfunctionSide airbag assembly (RH)
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
DI6MS-01
Page 1132 of 1897
H01019H09668H12947
Squib (RH)Airbag
Sensor
Assembly
(-) (+)
FR+ FR-
DI-396
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
552 Author: Date:
2001 AVALON (RM808U)
DTC B0111/44 Open in Side Squib (RH) Circuit
CIRCUIT DESCRIPTION
The side squib (RH) circuit consists of the airbag sensor assembly and side airbag assembly (RH).
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0111/44 is recorded when an open is detected in the side squib (RH) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0111/44
Open circuit in FR+ wire harness or FR- wire harness of
squib
Side squib (RH) malfunction
Airbag sensor assembly malfunctionSide airbag assembly (RH)
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
See page DI-392.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-475).
2 Check front side squib (RH) circuit.
CHECK:
For the connector (on the front side airbag assembly side) be-
tween the front side airbag assembly (RH) and the airbag sen-
sor assembly, measure the resistance between FR+ and FR-.
OK:
Resistance: Below 1 W
NG Repair or replace harness or connector be-
tween side airbag assembly (RH) and airbag
sensor assembly.
OK
DI6MT-01
Page 1135 of 1897
H01019H09669H12949
Airbag
Sensor
Assembly Squib (RH)
(+)FR+
(-)
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-399
555 Author: Date:
2001 AVALON (RM808U)
DTC B0112/41 Short in Side Squib (RH) Circuit (to
Ground)
CIRCUIT DESCRIPTION
The side squib (RH) circuit consists of the airbag sensor assembly and side airbag assembly (RH).
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0112/41 is recorded when ground short is detected in the side squib (RH) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0112/41
Short circuit in side squib (RH) wire harness (to ground)
Side squib (RH) malfunction
Airbag sensor assembly malfunctionSide airbag assembly (RH)
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
See page DI-392.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-475).
2 Check side squib (RH) circuit.
CHECK:
For the connector (on the side airbag assembly side) between
the side airbag assembly (RH) and the airbag sensor assembly,
measure the resistance between FR+ and body ground.
OK:
Resistance: 1 MW or Higher
NG Repair or replace harness or connector be-
tween side airbag assembly (RH) and airbag
sensor assembly.
OK
DI6MU-01
