2001 TOYOTA SEQUOIA Service Repair Manual

Page 1449 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1247
1441 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC B1662/45 SRS Warning Light Circuit Malfunction
CIRCUIT DESCRIPTION
The SRS warning light circuit

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TOYOTA SEQUOIA 2001  Service Repair Manual H23996
LA
A2014
ABR I18
Ignition SW
Combination Meter
BatteryIG2 A2021
E1 A2025
E2 A2026 B
W±B
W±B B±R
IG2 AM26 5 W±R
SRS B±Y
C5 29
C612 C6241D4
1A5 1A3 IGN1
1D6
1F9
101A6
1A8 Instrument Panel J/

Page 1451 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1249
1443 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Check battery.
CHECK:
Measure the voltage of the battery.
OK:
Voltage: 11 to 1

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TOYOTA SEQUOIA 2001  Service Repair Manual H22564H23040I27704H23986
A Cowl Wire Combination
Meter
C5
A20
Airbag
Sensor
Assembly
B C D
C5±29LA
DI±1250
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1444 Author: Date:
2005 SEQUOIA   (RM1146U)
4

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TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1251
1445 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC B1771 Passenger Side Buckle Switch Circuit 
Malfunction
CIRCUIT DESCRIPTION
The passenger side bu

Page 1454 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual H23244
Occupant Classification ECU
O6
O6 R B17
Buckle SW RH
L
129
5BSW
BGND DI±1252
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1446 Author: Date:
2005 SEQUOIA   (RM1146U)
WIRING DIAGRAM

Page 1455 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1253
1447 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
If troubleshooting (wire harness inspection) is difficult to perform, rem

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TOYOTA SEQUOIA 2001  Service Repair Manual H43103H43111H23819
Occupant
Classification ECU
BGND
BSW CB DA
Front Seat
Inner Belt RHO6
Seat Wire No. 1
DI±1254
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1448 Author: Date:
2005 SEQUOIA   (RM114