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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 358 (Air Conditioning System - Diagnostics) >> Circuit Inspection >> DTC 14: Engine Coolant Temperature Sensor Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

This sensor detects the engine coolant temperature and sends the appropriate signals to the A/C amplifier. These signals are used for warm up control when the engine is cold.

Fig 1: Identifying DTC 14 Trouble Areas
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