2001 TOYOTA SEQUOIA Service Repair Manual

Page 633 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A16555
AIR INJ CHECK
AIR PUMP............................ON
EASV   ............................OPEN
ASV1.   .............................OPEN
ASV2...............................OPEN
A/F BANK1.........

Page 634 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17435Vacuum Hose
DI±432
± DIAGNOSTICSENGINE
626 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Check whether DTC output recurs.
PREPARATION:
(a) Start the engine and warm it up.
(b) Turn the ignition s

Page 635 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17434
Pressure GaugePressure Sensor
B17436
± DIAGNOSTICSENGINE
DI±433
627 Author: Date:
2005 SEQUOIA   (RM1146U)
5 Inspect ECM (air voltage).
PREPARATION:
(a) Remove the intake manifold (see page

Page 636 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17444
Wire Harness Side:
Air Injection Driver Connector
A41
+B
E
B17443
Wire Harness Side:
Air Injection Driver Connector
A40
BATT
DI±434
± DIAGNOSTICSENGINE
628 Author: Date:
2005 SEQUOIA   (RM1

Page 637 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17411
E4
AIRVAIRP
± DIAGNOSTICSENGINE
DI±435
629 Author: Date:
2005 SEQUOIA   (RM1146U)
8 Check voltage between AIRP and AIRV terminal of ECM and body ground.
PREPARATION:
(a) Connect  the hand±

Page 638 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17444
Wire Harness Side:
Air Injection Driver Connector
A41
SIPSIV
DI±436
± DIAGNOSTICSENGINE
630 Author: Date:
2005 SEQUOIA   (RM1146U)
9 Check voltage between SIV and SIP terminals of air injec

Page 639 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17438
Wire Harness Side:
Air Pump Connector
A43
± DIAGNOSTICSENGINE
DI±437
631 Author: Date:
2005 SEQUOIA   (RM1146U)
10 Check voltage between terminal 2 of air pump and body ground.
PREPARATION:

Page 640 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17438
Wire Harness Side:
Air Pump Connector
A43
DI±438
± DIAGNOSTICSENGINE
632 Author: Date:
2005 SEQUOIA   (RM1146U)
11 Check for open in harness and connector between air pump and body ground.