2001 TOYOTA SEQUOIA Service Repair Manual

Page 1193 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F14403F16959
A9
Booster Pedal 
Force Switch 
(ACTIVE Brake Booster)ABS & VSC Actuator
(Skid Control ECU)
STS
PSNC
PSNO5BR±Y
V±W
R±Y20
S1
18
21 S1
S1 2
1STS
PSNC
PSNO
± DIAGNOSTICSABS WITH EBD & BA

Page 1194 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F19145
Yaw Rate 
(Deceleration) 
Sensor
STS
DI±992
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1186 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Check voltage between termi

Page 1195 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F13989
1
2(Oscilloscope)
5
(Oscilloscope)
ON
F17283
(Reference)IG ON Released Depressed
0 V
6 V
0 V 6 VPSNC±STS
PSNO±STS
F13990
5
21
ON
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
DI±993
11

Page 1196 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±994
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1188 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Check for open and short circuit in harness and connector between booster ped-
al force swit

Page 1197 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
DI±995
1189 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC 51 Malfunction in ECM Control System
CIRCUIT DESCRIPTION
The circuit is used to send TRAC

Page 1198 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F19196
E5 
ECM
CANL
CANH34
33W
L2
J53
1
J532
J55
1
J55 J/C
W
R16
T5
14
T5ENG±
ENG+
VSC+
VSC± 7
T5
11
T5 L
W WL7
IL2
6
IL2 26 S1 ABS & VSC Actuator
(Skid Control ECU)Translate
ECU
IG1 1
T5 B±R
J37 J

Page 1199 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
DI±997
1191 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Check the DTC of the VSC (See page DI±911).
CHECK:
Check skid control

Page 1200 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±998
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1192 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC 53 Malfunction in CAN1 Communication
CIRCUIT DESCRIPTION
The circuit is used to send TRAC&