Contents Wiring diagrams Section: Testing & Diagnostics All sections

P0452 and P0453 (2) Scion xB I

Testing & Diagnostics 2 illustrations
Required Sensors/Components (Main)Vapor pressure sensor
Required Sensors/Components (Related)Mass Air Flow (MAF) meter and Engine Coolant Temperature (ECT) sensor
Frequency of OperationOnce per driving cycle
Duration7 seconds
MIL Operation2 driving cycles
Sequence of OperationNone

MONITOR STRATEGY

Scheme 371

Scheme 371: P0451

Scheme 372

Scheme 372: P0452 and P0453