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Home >> Toyota >> 2004 >> Matrix Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Engine Control System Self Diagnostics) >> Diagnostic Tests >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) &/Or P0430: Catalyst System Efficiency Below Threshold (Bank 2) >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

For circuit description, see Fig 1.

Fig 1: Catalyst Circuit Description
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