2001 TOYOTA SEQUOIA ESP

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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 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 653 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A23458
Air±fuel Ratio Sensor Output:
Active A/F Control
A/F Sensor Output
Fuel Injection VolumeON
OFF
NormalMalfunction 10 Seconds
± DIAGNOSTICSENGINE
DI±451
645 Author: Date:
2005 SEQUOIA   (RM1

Page 654 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual Vehicle speed
(40 ±120 km/h)25 ± 75mph)
(g)(h)
Warm up
3 minutes DI±452
± DIAGNOSTICSENGINE
646 Author: Date:
2005 SEQUOIA   (RM1146U)
CONFIRMATION DRIVING PATTERN
(a) Connect  the hand±held te

Page 655 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±453
647 Author: Date:
2005 SEQUOIA   (RM1146U)
TYPICAL ENABLING CONDITIONS
ItSpecificationItemMinimumMaximum
The monitor will run whenever these
DTCs are not presentSee page

Page 662 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual 0.02 inch orifice clogged
Pressure sensor low outputP043E
P043FP0441 P0451 P0452 P0453 P0455 P0456 P2419P2401
P2402
0.02 inch orifice high±flow
Pressure sensor stuck
Pressure sensor noise
Gross leak

Page 668 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual 0.02 inch orifice clogged
Pressure sensor voltage lowP043E
P043FP0441 P0451 P0452 P0453 P0455 P0456 P2419P2401
P2402
0.02 inch orifice high±flow
Pressure sensor stuck
Pressure sensor noising
Gross le