2001 TOYOTA SEQUOIA Service Repair Manual

Page 625 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±423
617 Author: Date:
2005 SEQUOIA   (RM1146U)
MONITOR STRATEGY
P2430Air flow/pressure sensor circuit range check
(Fluctuating)
P2431Air flow/pressure sensor circuit rationa

Page 626 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A23557
ECM A42
Air Pressure Sensor
VC
AIP
E2
E8 E8 E8
2832 23
VC
AIP
E2EB4
EB4
EB4G±B G±B
B±Y
B±Y
G±W
G±W6 5 15 V
B17412
E8
E2AIP VC
B17439
Wire Harness Side:
Pressure Sensor Connector
A42
E2
AI

Page 627 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17434
Pressure Gauge
Pressure Sensor
± DIAGNOSTICSENGINE
DI±425
619 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Inspect pressure sensor.
PREPARATION:
(a) Remove the intake manifold (see page EM±36)

Page 628 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±426
± DIAGNOSTICSENGINE
620 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC P2444 Secondary Air Injection System Pump Stuck
ON Bank 1
DTC P2445 Secondary Air Injection System Pump Stuck
OFF Bank 1
C

Page 629 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±427
621 Author: Date:
2005 SEQUOIA   (RM1146U)
MONITOR STRATEGY
P2444Air pump is stuck ON
RltdDTCAir pump is stuck OFFRelated DTCsP2445Air flow volume is insufficientP2445
A

Page 630 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±428
± DIAGNOSTICSENGINE
622 Author: Date:
2005 SEQUOIA   (RM1146U)
P2445: Air pressure sensor is stuck
ItSpecificationItemMinimumMaximum
The monitor will run whenever this DTC is
not presentSee

Page 631 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±429
623 Author: Date:
2005 SEQUOIA   (RM1146U)
MONITOR RESULT
Refer to page DI±26 for detailed information.
The test value and test limit information are described as shown

Page 632 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±430
± DIAGNOSTICSENGINE
624 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
To check the pressure condition in the secondary air passage, the hand±held tester is available.
1