2001 TOYOTA SEQUOIA Service Repair Manual

Page 401 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A23476
ECM EB4
EB4
Female
Connector Male 
Connector Knock Sensor
83 4
783 4
7 2 1
2 1
E7
E7
E7
E728
21
20KNK1
EKNK
KNK2
EKN2 29
± DIAGNOSTICSENGINE
DI±207
401 Author: Date:
2005 SEQUOIA   (RM1146U

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TOYOTA SEQUOIA 2001  Service Repair Manual B17411
KNK1
KNK2EKN2
EKNK E7
DI±208
± DIAGNOSTICSENGINE
402 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Check for open and short in harness and connector between EB4 connector and
ECM (See page IN±3

Page 403 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A23513
Male Connector
EB4
Wire Harness Side:
Front View
± DIAGNOSTICSENGINE
DI±209
403 Author: Date:
2005 SEQUOIA   (RM1146U)
Replace knock sensor (See page SF±66).
5 Check knock sensor.
PREPARAT

Page 404 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual FI7059
FI7060A00069
G2 and NE Signal Waveforms
20 msec./Division (Idling)
10 msec./Division (Idling)5 V
/Division
G2
NE
5 V
/Division
G2
NE DI±210
± DIAGNOSTICSENGINE
404 Author: Date:
2005 SEQUOI

Page 405 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±211
405 Author: Date:
2005 SEQUOIA   (RM1146U)
MONITOR DESCRIPTION
If there are no signals from the crankshaft sensor even though the engine is revolving, the ECM interprets

Page 406 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A19690
C1
Camshaft Position Sensor
C2
Crankshaft Position SensorLECM
NE+
NE±
E2 27
2 12 1
25
24 Y
R GE6
G2+
G2±
32
E6
E6
E6
*1: ShieldedE6E1
EC (*1) (*1)
J42 J/C
A
AA
BR
BR
BR1 DI±212
± DIAGNOSTIC

Page 407 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A21026
Component Side
C2
Crankshaft Position Sensor
± DIAGNOSTICSENGINE
DI±213
407 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
Read freeze frame data using the hand±held te

Page 408 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A21027
Wire Harness Side
Crankshaft Position Sensor C2
B17414
E6ECM Connector
NE± NE+
BR3795OK NGClearance
DI±214
± DIAGNOSTICSENGINE
408 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Check for open a