2001 TOYOTA SEQUOIA Service Repair Manual

AUX alternator belt hood open brakes change time child lock

Page 1361 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1159
1353 Author: Date:
2005 SEQUOIA (RM1146U)Normal
(DI±1480)
Source voltage dropBattery
Airbag sensor assemblyON
NormalSystem normalOFF
*1: w

± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1159
1353 Author: Date:
2005 SEQUOIA (RM1146U)Normal
(DI±1480)
Source voltage dropBattery
Airbag sensor assemblyON
NormalSystem normalOFF
*1: w/ Side and curtain shield airbag
2. DTCS FOR OCCUPANT CLASSIFICATION SYSTEM
If a trouble code is displayed during the DTC check, check the circuit listed for the code in the table below
(Proceed to the page listed for that circuit).
HINT:
When the DTC B1650/32 is detected as a result of troubleshooting for the Supplemental Restraint Sys-
tem, perform troubleshooting for the occupant classification system as shown in the chart below.
Use the hand±held tester to check/clear the DTC of the occupant classification ECU, otherwise the
DTC cannot be check/clear.
DTC No.
(See Page)Detection ItemTrouble AreaPassenger Airbag
ON/OFF Indicator
B1771
(DI±1251)Passenger side buckle switch circuit
malfunctionFront seat inner belt RH
Occupant classification ECU
Seat wire No. 1
ON
B1780
(DI±1260)
Occupant classification sensor front
LH circuit malfunctionFront seat assembly RH (Occupant classification sensor
front LH)
Occupant classification ECU
Seat wire No. 1
ON
B1781
(DI±1270)
Occupant classification sensor front
RH circuit malfunctionFront seat assembly RH (Occupant classification sensor
front RH)
Occupant classification ECU
Seat wire No. 1
ON
B1782
(DI±1280)
Occupant classification sensor rear
LH circuit malfunctionFront seat assembly RH (Occupant classification sensor
rear LH)
Occupant classification ECU
Seat wire No. 1
ON
B1783
(DI±1290)
Occupant classification sensor rear
RH circuit malfunctionFront seat assembly RH (Occupant classification sensor
rear RH)
Occupant classification ECU
Seat wire No. 1
ON
B1785
(DI±1300)Occupant classification sensor front
LH collision detectionFront seat assembly RH (Occupant classification sensor
front LH)
Occupant classification ECU
ON
B1786
(DI±1305)Occupant classification sensor front
RH collision detectionFront seat assembly RH (Occupant classification sensor
front RH)
Occupant classification ECU
ON
B1787
(DI±1310)Occupant classification sensor rear
LH collision detectionFront seat assembly RH (Occupant classification sensor
rear LH)
Occupant classification ECU
ON
B1788
(DI±1315)Occupant classification sensor rear
RH collision detectionFront seat assembly RH (Occupant classification sensor
rear RH)
Occupant classification ECU
ON
B1790
(DI±1320)
Airbag sensor assembly communica-
tion circuit malfunctionOccupant classification ECU
Airbag sensor assembly
Floor wire
Seat wire No. 1
ON
B1793
(DI±1332)Occupant classification sensor power
supply circuit malfunctionOccupant classification ECU
Front seat assembly RH (Occupant classification sensors)
Seat wire No. 1
ON

Page 1362 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1160
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1354 Author: Date:
2005 SEQUOIA (RM1146U)B1794
(DI±1342)
Occupant classification ECU battery
positive line openBattery
ECU±B Fuse
Floor w

Page 1363 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DIDGR±01
H10600H23564
DTC B1000/31
DLC3
TC CG
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1161
1355 Author: Date:
2005 SEQUOIA (RM1146U)
CIRCUIT INSPECTION
DTC B1000/31 Airbag Sensor Assembly

Page 1364 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual H02750
Airbag Sensor Assembly
A20+SR 29
IL31
IL32
A2027 A12
Front Airbag Sensor RH
2
1±SR W
W
BB +SR
±SR DI±1162
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1356 Author: Date:
2005 SEQUOIA (RM1

Page 1365 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual H02757H10600H40103H23566
CG
TCDTC B1610/13
DLC3 Front Airbag
Sensor RHAirbag
Sensor
Assembly
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1163
1357 Author: Date:
2005 SEQUOIA (RM1146U)
INSPE

Page 1366 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual H03353H08016G27651H23623
Front Airbag
Sensor RHAirbag
Sensor
Assembly
+SR
±SR
A
B D F
E
C C
Service Wire
+SR ±SR
A20A12
DI±1164
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1358 Author: Date:
2

Page 1367 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual H03355G27651H23624
Front Airbag
Sensor RHAirbag
Sensor
Assembly
±SR +SR
A
B D E F
C
A20
H03355G27651H23624
Front Airbag
Sensor RHAirbag
Sensor
Assembly
±SR +SR
A
B D E F
C
A20
± DIAGNOSTICSSUPPLEME

Page 1368 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual H03355G27651H23624
Front Airbag
Sensor RHAirbag
Sensor
Assembly
±SR +SR
A
B D E F
C
A20
DI±1166
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1360 Author: Date:
2005 SEQUOIA (RM1146U)
6 Check fron

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