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





Signal Waveform & Data








FIG. 1) Start of wake up line diagnosis test
FIG. 2) Result of wake up line diagnosis test