W/Harness Inspection

Tuner/Amplifier
U1944 XM Antenna circuit Low (UTA US only) - Inspection/Repair:_: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 XM antenna connector and Tuner&Amplifier connector.
3. Measure resistance between connector of antenna circuit and chasis gound.

Specification :infinity




4. Is the measured resistance within specifications ?