W/Harness Inspection

Tuner/Amplifier
U1940 AmFm Antenna circuit Low (shortcut to GND) - W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness and terminals.
Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?






Signal Circuit Inspection

1. IG KEY "OFF".
2. Disconnected AM/FM glass antenna connector and Tuner & Amplifier connector.
3. Measure resistance between connector of antenna circuit and connector of Tuner & Amplifier circuit.

Specification : 0 Ohms




4. Is the measured resistance within specifications?