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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 404 (Air Conditioning System - Diagnosis) >> Vehicle Speed Signal Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

This A/C amplifier monitors signals from the speed sensor via the combination meter. The A/C amplifier assy uses these signals to revise the ambient temperature sensor signal.