General Information

Tuner/Amplifier
U1004 Temperature Sensor Signal Error in Tuner and Amplifier - General Information

Component Location

General Description

The Tuner & Amplifier converts optical communication signal to electrical communication signal. The temperature sensor of Tuner & Amplifier detects the temperature rising to prevent that be abnormal status.

DTC Description

This code is set when a temperature sensor of Tuner &Amplifier detect that the temperature is over 85 °C, At that time Tuner & Amplifier can be abnormal status. If the temperature is around 85 °C, the fan is running to make the temperature down. After cooling, Tuner & Amplifier become to be normal status under 75 °C.

DTC Detecting Condition

Diagnostic Circuit Diagram

Fig.1) Start of Wake up line diagnosis test
Fig.2) Result of Wake up line diagnosis test