2001 TOYOTA SEQUOIA Service Repair Manual

Page 369 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A19288
A/F Relay
A23659
Wire Harness Side:
HT
A38
Sensor 1A/F Sensor Connector
AF+
Front ViewAF±
+B A39
B17415
E7ECM Connector
HA1A
A1A+
A1A±
A2A+
A2A±HA2A
± DIAGNOSTICSENGINE
DI±175
369 Author:

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TOYOTA SEQUOIA 2001  Service Repair Manual A23512
Reference (Bank 1 Sensor 1 System Drawing):
A/F Sensor A/F Relay
Heater
Sensor
A1A+ HA1A
Duty 
Control ECM
From 
Battery
A/F Heater 
Fuse
A1A±
To EFI Relay
DI±176
± DIAGNOSTICSENGINE
370 Aut

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TOYOTA SEQUOIA 2001  Service Repair Manual B17397
Vehicle Speed
Between 
38 mph and 75 mph 
(60 km/h and 120 km/h)
Idling
Ignition Switch OFF
3 to 5 minutes
Time 2 minutes
(a), (b), (c)(e)
(d)
± DIAGNOSTICSENGINE
DI±177
371 Author: Date:
2

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TOYOTA SEQUOIA 2001  Service Repair Manual DI±178
± DIAGNOSTICSENGINE
372 Author: Date:
2005 SEQUOIA   (RM1146U)
END

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TOYOTA SEQUOIA 2001  Service Repair Manual A21043
Starter Relay EFI Relay
Circuit Opening 
Relay
Fuel Pump RelayMREL
FPRTr2
Tr1 EFI No.1
IGNECM
FC
NE Fuel Pump
Battery
StarterFuel Pump Resistor
AM2Ignition Switch
STA
Crankshaft Position 
Senso

Page 374 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±180
± DIAGNOSTICSENGINE
374 Author: Date:
2005 SEQUOIA   (RM1146U)DTC No.
DTC Detecting ConditionTrouble Area
P0230Open or short in fuel pump relay circuit
Open or short in fuel pump relay cir

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TOYOTA SEQUOIA 2001  Service Repair Manual A23553
G±R
1 28
A 6
BECM
AM2
W±B6
32
15 3
2 121
3 2B IA1
J5
J/CL±O
I18
Ignition SW
3
7
F10
Fusible Link BlockB±R
BI530
10 26 4
12
2
114
68
1 41
5 3L±B
AM2
52HE6
2D
2F 1J1C2F
IA4
E4
E4 IG4
IA4 2H

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TOYOTA SEQUOIA 2001  Service Repair Manual B17411
E6E1
FPR
A21024
DI±182
± DIAGNOSTICSENGINE
376 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
Read freeze frame data using the hand-held tester. Freeze frame data records