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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Engine Control System Self-Diagnostics - 4 CYL (PZEV)) >> Diagnostic Tests >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank No. 1) >> Component Operating Range

Component Operating Range

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

For component operating range, see IDENTIFYING COMPONENT OPERATING RANGE VOLTAGE  table.

IDENTIFYING COMPONENT OPERATING RANGE VOLTAGE

Parameter Standard Value
Output Voltage Of A/F Sensor Alternates 3.1 V & 3.5 V
Output Voltage Of Heated Oxygen Sensor No. 2 0-1 V
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