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Home >> Toyota >> 2003 >> Matrix Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Engine Control System Self Diagnostics) >> Diagnostic Tests >> DTC P1431: Vacuum Sensor Circuit Range/Performance >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

Vacuum sensor provides input signals to ECM for controlling the Hydrocarbon Adsorber Catalyst (HCAC) system.

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