2001 TOYOTA SEQUOIA terminal TC

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Page 311 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A19549
THA
E2ECM
2
1
Mass Air
Flow Meter Mass Air
Flow Meter
45
M1
THA E2
M1
B17441THA
E2
THA
E2ECM Mass Air Flow Meter
M1
E8
± DIAGNOSTICSENGINE
DI±117
311 Author: Date:
2005 SEQUOIA   (RM1146U)

Page 315 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual FI6448
ECM
5 V
THW E2
Engine Coolant Temp. Sensor
2
1G±Y
G±W
E1 E2
E8
E8
2821
± DIAGNOSTICSENGINE
DI±121
315 Author: Date:
2005 SEQUOIA   (RM1146U)
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
If

Page 317 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A19552
Engine Coolant 
Temp. Sensor
2
1THW
E2ECM
E2
B17441
Engine Coolant
Temp. Sensor
ECM
E2 THW
E2
THW
E2
E8ECM Connector
± DIAGNOSTICSENGINE
DI±123
317 Author: Date:
2005 SEQUOIA   (RM1146U)
2

Page 322 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A19755A21037
Throttle Position Sensor ECM
Magnet
Magnet
IC No.2 IC No.1
VC
VTA1
E2 VTA2Throttle Position Sensor Output Voltage (V)
Fail Safe Angle
*1
Usable Range
Throttle Valve Opening Angle (deg)84

Page 326 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A19212
T14
Throttle Control Motor 
and Position Sensor
4
6
1
2G±W
G±B
P±L
B±Y28
23
19
20
4
5
17 E8
P
VECM
E2
VC
VTA2
VTA1 3
5
(Shielded)
L±RM±
M+
GE01 E8
E8
E8
E8
E8
E8 DI±132
± DIAGNOSTICSENG

Page 329 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17411
E2 VC
E8ECM Connector
± DIAGNOSTICSENGINE
DI±135
329 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Check voltage between terminals VC and E2 of ECM connector.
PREPARATION:
(a) Disconnect  the T1

Page 350 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual +25 %
±12.5 %
More than 0.5 V
Less than 0.4 V
Case 1
Case 2
Case 3
Case 4
Output voltage of A/F sensor 
(sensor 1: front sensor)
Injection volume
Output voltage
Output voltage of heated oxygen 
senso

Page 352 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17416HT1BECM Connector
E7OX1B E8
HT2B
OX2B
A21341
+B
OX E1HT
H2
H4
Components Side:
Bank 1 Sensor 2, Bank 2 Sensor 2
DI±158
± DIAGNOSTICSENGINE
352 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Check