2001 TOYOTA SEQUOIA O2 sensor

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Page 467 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17403
Pressure Sensor Specification:
Output Voltage
Usable Range
4.900 V
4.150 V
1.425 V
0.450 V
Malfunction Area
Pressure
60
kPa11 0
kPa
Malfunction Area
Standard atmospheric pressure is 101.3 kPaHI

Page 468 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±266
± DIAGNOSTICSENGINE
460 Author: Date:
2005 SEQUOIA   (RM1146U)
MONITOR STRATEGY
P0450Evaporative emission control system pressure
sensor/switch chattering
P0451
Evaporative emission control

Page 469 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±267
461 Author: Date:
2005 SEQUOIA   (RM1146U) Pressure sensor chattering, low/high voltage:
Battery voltage8 V±
Ignition switchON
StarterOFF
TYPICAL MALFUNCTION THRESHOLDS

Page 470 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±268
± DIAGNOSTICSENGINE
462 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
NOTICE:
When a vehicle is brought into the workshop, leave it as it is. Do not change the vehicle condi-

Page 471 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17417
E4
PPMP
± DIAGNOSTICSENGINE
DI±269
463 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Measure resistance between terminal PPMP of ECM and body ground.
PREPARATION:
(a) Turn the ignition switch to

Page 472 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17417
E4
PPMP
A23446
L5
DI±270
± DIAGNOSTICSENGINE
464 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Measure resistance between terminal PPMP of ECM and body ground.
PREPARATION:
(a) Disconnect  the L

Page 473 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A23508
Wire Harness Side:
Canister Connector
Front View
L5
A23446
L5
± DIAGNOSTICSENGINE
DI±271
465 Author: Date:
2005 SEQUOIA   (RM1146U)
4 Measure voltage and resistance of pump module connector

Page 476 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual B17399
Fuel Tank Canister
Vacuum Pump: OFF Pressure Sensor 0.02 Inch Orifice
Pump Module
Operation  A: Atmospheric Pressure Measurement
Vent Valve: OFF (vent)
Operation  D: Purge VSV monitor Operation